TYONEK, AK · Kenai Peninsula Borough County

TYONEK WATER SYSTEM Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Alaska’s official records. Always confirm current status with Alaska before making decisions based on this information.

System facts

System ID (PWSID): AK2240472
System type: Community Water System
Population served: 206
Service connections: 97
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2025 – September 3, 2025
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 22, 2023 – October 26, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2022 – September 3, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2021 – June 30, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2021 – May 31, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – August 11, 2020
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2020 – September 3, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2019 – May 31, 2019
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2019 – December 31, 2019
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2016 – November 14, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2015 – August 31, 2015
Resolved
Sanitary Survey (TCR)
—
No contaminant on record
May 21, 2015 – June 3, 2019
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2015 – May 2, 2016
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2014 – May 2, 2016
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2013 – May 2, 2016
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2013 – May 2, 2016
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2012 – May 2, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2007 – November 30, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2007 – October 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Regular
—
Arsenic
July 1, 2007 – September 30, 2007
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Benzene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2007 – March 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2007 – March 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Styrene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Toluene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2007 – March 31, 2007
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2007 – January 31, 2007
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2006 – June 30, 2006
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
April 1, 2006 – October 15, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Styrene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Toluene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Benzene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2006 – March 31, 2006
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2005 – November 30, 2005
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
November 1, 2005 – November 30, 2005
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
November 1, 2005 – November 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2005 – December 31, 2005
Archived
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2005 – December 31, 2005
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2005 – September 30, 2005
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
September 1, 2005 – September 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2005 – September 30, 2005
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2005 – August 31, 2005
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
August 1, 2005 – August 31, 2005
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 2005 – July 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2005 – September 30, 2005
Archived
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2005 – September 30, 2005
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2005 – July 31, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2005 – June 30, 2005
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2005 – April 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2005 – June 30, 2005
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2005 – April 30, 2005
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2005 – February 28, 2005
Archived
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2005 – March 31, 2005
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2005 – March 31, 2005
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2004 – June 30, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2004 – February 29, 2004
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2003 – November 30, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2003 – November 30, 2003
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2003 – November 30, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2003 – September 30, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2003 – July 31, 2003
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2003 – January 17, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2002 – August 31, 2002
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2002 – August 31, 2002
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2001 – March 31, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2001 – February 28, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2000 – September 30, 2000
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2000 – September 30, 2000
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2000 – August 31, 2000
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2000 – July 31, 2000
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2000 – June 30, 2000
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 2000 – April 30, 2000
Archived
Monitoring, Regular
—
Beryllium, Total
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2000 – January 31, 2000
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2000 – December 31, 2000
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
January 1, 2000 – January 31, 2000
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2000 – December 31, 2000
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1999 – December 31, 1999
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 1999 – November 30, 1999
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1999 – August 31, 1999
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1999 – July 31, 1999
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1999 – June 30, 1999
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1999 – May 31, 1999
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1999 – April 30, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1998 – December 31, 1998
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 1998 – November 30, 1998
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 1998 – October 31, 1998
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1998 – September 30, 1998
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 1998 – August 31, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1998 – August 31, 1998
Archived
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
August 1, 1998 – August 31, 1998
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1998 – August 31, 1998
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1998 – July 31, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1998 – July 31, 1998
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1998 – April 30, 1998
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1998 – March 31, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1998 – March 31, 1998
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1998 – February 28, 1998
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Nickel
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Benzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Styrene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1998 – January 31, 1998
Archived
Monitoring, Regular
—
Toluene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1998 – December 31, 1998
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1997 – December 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1997 – November 30, 1997
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1997 – September 30, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1997 – July 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1997 – May 31, 1997
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1997 – May 31, 1997
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1997 – April 30, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1997 – April 30, 1997
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1997 – March 31, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1997 – March 31, 1997
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1997 – February 28, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1997 – February 28, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1997 – February 28, 1997
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1997 – January 31, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1996 – December 31, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1996 – December 31, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 1996 – October 31, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1996 – October 31, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1996 – September 30, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1996 – September 30, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1996 – August 31, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1996 – August 31, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1996 – July 31, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1996 – July 31, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1996 – July 31, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1996 – June 30, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1996 – June 30, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1996 – May 31, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1996 – April 30, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1996 – April 30, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1996 – March 31, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1996 – February 29, 1996
Archived
Monitoring, Regular
—
Nitrate
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Benzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Styrene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Toluene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Nickel
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1996 – January 31, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1996 – January 31, 1996
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1995 – November 30, 1995
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 1995 – November 30, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1995 – September 30, 1995
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1995 – August 30, 1995
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1995 – July 31, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1995 – June 30, 1995
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1995 – April 30, 1995
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1995 – March 31, 1995
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1995 – February 28, 1995
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1995 – February 28, 1995
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1995 – January 31, 1995
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Toluene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Styrene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Benzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1994 – November 30, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1994 – September 30, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1994 – August 31, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1994 – July 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1994 – July 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1994 – June 30, 1994
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 1994 – June 30, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1994 – May 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1994 – April 30, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1994 – February 28, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1994 – February 28, 1994
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Styrene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Toluene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1994 – January 31, 1994
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Benzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1993 – December 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1993 – November 30, 1993
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 1993 – November 30, 1993
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1993 – October 31, 1993
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1993 – September 30, 1993
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1993 – August 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1993 – August 31, 1993
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1993 – December 3, 1998
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1993 – July 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1993 – July 31, 1993
Archived
Monitoring, Regular
—
Nitrate
July 1, 1993 – September 30, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1993 – May 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1993 – April 30, 1993
Archived
Monitoring, Regular
—
Nitrate
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1992 – June 30, 1992
Archived
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1992 – June 30, 1992
Archived
Monitoring, Regular
—
Vinyl chloride
April 1, 1992 – June 30, 1992
Archived
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1992 – June 30, 1992
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1992 – June 30, 1992
Archived
Monitoring, Regular
—
Trichloroethylene
April 1, 1992 – June 30, 1992
Archived
Monitoring, Regular
—
Benzene
April 1, 1992 – June 30, 1992
Archived
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1992 – June 30, 1992
Archived
Monitoring, Regular
—
Cadmium
May 1, 1991 – April 30, 1992
Archived
Monitoring, Regular
—
Chromium
May 1, 1991 – April 30, 1992
Archived
Monitoring, Regular
—
Mercury
May 1, 1991 – April 30, 1992
Archived
Monitoring, Regular
—
Nitrate
May 1, 1991 – April 30, 1992
Archived
Monitoring, Regular
—
Selenium
May 1, 1991 – April 30, 1992
Archived
Monitoring, Regular
—
Fluoride
May 1, 1991 – April 30, 1992
Archived
Monitoring, Regular
—
Arsenic
May 1, 1991 – April 30, 1992
Archived
Monitoring, Regular
—
Barium
May 1, 1991 – April 30, 1992
Archived
Monitoring, Regular
—
Barium
July 30, 1989 – July 31, 1990
Archived
Monitoring, Regular
—
Fluoride
July 30, 1989 – July 31, 1990
Archived
Monitoring, Regular
—
Selenium
July 30, 1989 – July 31, 1990
Archived
Monitoring, Regular
—
Nitrate
July 30, 1989 – July 31, 1990
Archived
Monitoring, Regular
—
Mercury
July 30, 1989 – July 31, 1990
Archived
Monitoring, Regular
—
Cadmium
July 30, 1989 – July 31, 1990
Archived
Monitoring, Regular
—
Barium
June 30, 1988 – June 30, 1989
Archived
Monitoring, Regular
—
Nitrate
June 30, 1988 – June 30, 1989
Archived
Monitoring, Regular
—
Cadmium
June 30, 1988 – June 30, 1989
Archived
Monitoring, Regular
—
Chromium
June 30, 1988 – June 30, 1989
Archived
Monitoring, Regular
—
Mercury
June 30, 1988 – June 30, 1989
Archived
Monitoring, Regular
—
Arsenic
June 30, 1988 – June 30, 1989
Archived
Monitoring, Regular
—
Fluoride
June 30, 1988 – June 30, 1989
Archived
Monitoring, Regular
—
Selenium
June 30, 1988 – June 30, 1989
Archived
Monitoring, Regular
—
2,4,5-TP
June 30, 1986 – June 30, 1989
Archived
Monitoring, Regular
—
2,4-D
June 30, 1986 – June 30, 1989
Archived
Monitoring, Regular
—
BHC-GAMMA
June 30, 1986 – June 30, 1989
Archived
Monitoring, Regular
—
Endrin
June 30, 1986 – June 30, 1989
Archived
Monitoring, Regular
—
Toxaphene
June 30, 1986 – June 30, 1989
Archived
Monitoring, Regular
—
Methoxychlor
June 30, 1986 – June 30, 1989
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1985 – June 30, 1989
Archived
Monitoring, Regular
—
Fluoride
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Nitrate
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – September 3, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 22, 2023 – October 26, 2023	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2022 – September 3, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
May 1, 2021 – May 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2020 – August 11, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2020 – September 3, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
May 1, 2019 – May 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Arsenic	—	Resolved
October 1, 2016 – November 14, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
August 1, 2015 – August 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 21, 2015 – June 3, 2019	Sanitary Survey (TCR)	—	—	Resolved
January 1, 2015 – May 2, 2016	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2014 – May 2, 2016	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2013 – May 2, 2016	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2013 – May 2, 2016	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2012 – May 2, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2007 – October 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Arsenic	—	Archived
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Benzene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Styrene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Toluene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Arsenic	—	Archived
January 1, 2007 – January 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2006 – October 15, 2007	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Styrene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Toluene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Benzene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
November 1, 2005 – November 30, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
November 1, 2005 – November 30, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
November 1, 2005 – November 30, 2005	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
October 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
October 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	TTHM	—	Archived
September 1, 2005 – September 30, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2005 – August 31, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
August 1, 2005 – August 31, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2005 – July 31, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	TTHM	—	Archived
July 1, 2005 – July 31, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
June 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2005 – June 30, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 1, 2005 – June 30, 2005	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2005 – April 30, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
April 1, 2005 – April 30, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
February 1, 2005 – February 28, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	TTHM	—	Archived
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
June 1, 2004 – June 30, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 2004 – February 29, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 2003 – November 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 2003 – November 30, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 2003 – November 30, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 2003 – September 30, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 2003 – July 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 2003 – January 17, 2006	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
August 1, 2002 – August 31, 2002	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2002 – August 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 2001 – March 31, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 2001 – February 28, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 2000 – September 30, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 2000 – September 30, 2000	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 2000 – August 31, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 2000 – July 31, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
June 1, 2000 – June 30, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 2000 – April 30, 2000	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 2000 – December 31, 2000	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2000 – January 31, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 2000 – December 31, 2000	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2000 – January 31, 2000	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Archived
January 1, 2000 – December 31, 2000	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Carbon tetrachloride	—	Resolved
December 1, 1999 – December 31, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 1999 – November 30, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 1999 – August 31, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1999 – July 31, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1999 – June 30, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 1999 – May 31, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1999 – April 30, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 1998 – December 31, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1998 – November 30, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 1998 – October 31, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 1998 – September 30, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
August 1, 1998 – August 31, 1998	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1998 – August 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1998 – August 31, 1998	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1998 – August 31, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1998 – July 31, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1998 – July 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1998 – April 30, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1998 – March 31, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1998 – March 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
February 1, 1998 – February 28, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Nickel	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Benzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Styrene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1998 – January 31, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1998 – December 31, 1998	Monitoring, Regular	Toluene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
December 1, 1997 – December 31, 1997	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 1997 – November 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1997 – September 30, 1997	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1997 – July 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
May 1, 1997 – May 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1997 – May 31, 1997	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1997 – April 30, 1997	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1997 – April 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1997 – March 31, 1997	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1997 – March 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1997 – February 28, 1997	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1997 – February 28, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
February 1, 1997 – February 28, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 1997 – January 31, 1997	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 1996 – December 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1996 – December 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1996 – October 31, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 1996 – October 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1996 – September 30, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1996 – September 30, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 1996 – August 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1996 – August 31, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1996 – July 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1996 – July 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1996 – July 31, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1996 – June 30, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1996 – June 30, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
May 1, 1996 – May 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1996 – April 30, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1996 – April 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1996 – March 31, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1996 – February 29, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Benzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Styrene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Toluene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nickel	—	Resolved
January 1, 1996 – January 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1996 – January 31, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
November 1, 1995 – November 30, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1995 – November 30, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 1995 – September 30, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1995 – August 30, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1995 – July 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1995 – June 30, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1995 – April 30, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1995 – March 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1995 – February 28, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1995 – February 28, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1995 – December 31, 1995	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1995 – January 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1995 – December 31, 1995	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Toluene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Styrene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Benzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Nitrate	—	Resolved
November 1, 1994 – November 30, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1994 – September 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1994 – August 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1994 – July 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1994 – July 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 1994 – June 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 1994 – June 30, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
May 1, 1994 – May 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1994 – April 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1994 – February 28, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1994 – February 28, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1994 – December 31, 1994	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Styrene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Toluene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1994 – January 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Benzene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
December 1, 1993 – December 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1993 – November 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1993 – November 30, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 1993 – October 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1993 – September 30, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1993 – August 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1993 – August 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1993 – December 3, 1998	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 1993 – July 31, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1993 – July 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1993 – September 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
May 1, 1993 – May 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1993 – April 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1993 – June 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
April 1, 1992 – June 30, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
April 1, 1992 – June 30, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Archived
April 1, 1992 – June 30, 1992	Monitoring, Regular	Vinyl chloride	—	Archived
April 1, 1992 – June 30, 1992	Monitoring, Regular	Carbon tetrachloride	—	Archived
April 1, 1992 – June 30, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
April 1, 1992 – June 30, 1992	Monitoring, Regular	Trichloroethylene	—	Archived
April 1, 1992 – June 30, 1992	Monitoring, Regular	Benzene	—	Archived
April 1, 1992 – June 30, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Archived
May 1, 1991 – April 30, 1992	Monitoring, Regular	Cadmium	—	Archived
May 1, 1991 – April 30, 1992	Monitoring, Regular	Chromium	—	Archived
May 1, 1991 – April 30, 1992	Monitoring, Regular	Mercury	—	Archived
May 1, 1991 – April 30, 1992	Monitoring, Regular	Nitrate	—	Archived
May 1, 1991 – April 30, 1992	Monitoring, Regular	Selenium	—	Archived
May 1, 1991 – April 30, 1992	Monitoring, Regular	Fluoride	—	Archived
May 1, 1991 – April 30, 1992	Monitoring, Regular	Arsenic	—	Archived
May 1, 1991 – April 30, 1992	Monitoring, Regular	Barium	—	Archived
July 30, 1989 – July 31, 1990	Monitoring, Regular	Barium	—	Archived
July 30, 1989 – July 31, 1990	Monitoring, Regular	Fluoride	—	Archived
July 30, 1989 – July 31, 1990	Monitoring, Regular	Selenium	—	Archived
July 30, 1989 – July 31, 1990	Monitoring, Regular	Nitrate	—	Archived
July 30, 1989 – July 31, 1990	Monitoring, Regular	Mercury	—	Archived
July 30, 1989 – July 31, 1990	Monitoring, Regular	Cadmium	—	Archived
June 30, 1988 – June 30, 1989	Monitoring, Regular	Barium	—	Archived
June 30, 1988 – June 30, 1989	Monitoring, Regular	Nitrate	—	Archived
June 30, 1988 – June 30, 1989	Monitoring, Regular	Cadmium	—	Archived
June 30, 1988 – June 30, 1989	Monitoring, Regular	Chromium	—	Archived
June 30, 1988 – June 30, 1989	Monitoring, Regular	Mercury	—	Archived
June 30, 1988 – June 30, 1989	Monitoring, Regular	Arsenic	—	Archived
June 30, 1988 – June 30, 1989	Monitoring, Regular	Fluoride	—	Archived
June 30, 1988 – June 30, 1989	Monitoring, Regular	Selenium	—	Archived
June 30, 1986 – June 30, 1989	Monitoring, Regular	2,4,5-TP	—	Archived
June 30, 1986 – June 30, 1989	Monitoring, Regular	2,4-D	—	Archived
June 30, 1986 – June 30, 1989	Monitoring, Regular	BHC-GAMMA	—	Archived
June 30, 1986 – June 30, 1989	Monitoring, Regular	Endrin	—	Archived
June 30, 1986 – June 30, 1989	Monitoring, Regular	Toxaphene	—	Archived
June 30, 1986 – June 30, 1989	Monitoring, Regular	Methoxychlor	—	Archived
June 30, 1985 – June 30, 1989	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

October 20, 2025State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 8, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 3, 2025State Compliance achieved6 linked violations
October 26, 2023State Compliance achieved1 linked violation
May 17, 2022State Violation/Reminder Notice1 linked violation
February 24, 2022State Compliance achieved5 linked violations
April 29, 2021State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
April 9, 2021State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
April 9, 2021State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
October 6, 2020State Public Notification received1 linked violation
October 5, 2020State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
October 5, 2020State Public Notification issued1 linked violation
August 11, 2020State Compliance achieved1 linked violation
July 23, 2019State Compliance achieved2 linked violations
February 28, 2019State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
February 7, 2019State Compliance achieved1 linked violation
September 21, 2018State Compliance achieved2 linked violations
July 30, 2018State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 30, 2018State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 5, 2018State Compliance Meeting conducted6 linked violations
July 3, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
June 29, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
June 26, 2018State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
June 26, 2018State Public Notification requested1 linked violation
June 26, 2018State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
June 25, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
June 4, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
April 10, 2018State Compliance Meeting conducted1 linked violation
January 31, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
November 7, 2017State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
May 23, 2017State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
May 12, 2017State Public Notification received28 linked violations
May 10, 2017State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
May 10, 2017State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
November 15, 2016State Compliance achieved1 linked violation
November 14, 2016State Compliance achieved1 linked violation
August 5, 2016State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
July 20, 2016State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
July 20, 2016State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 20, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 2, 2016State Compliance achieved20 linked violations
April 29, 2016State Public Notification received1 linked violation
April 28, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 4, 2016State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
March 23, 2016State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
March 14, 2016State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
March 14, 2016State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
March 14, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 14, 2016State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
March 2, 2016State Compliance achieved4 linked violations
September 28, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 21, 2015State Violation/Reminder Notice1 linked violation
July 29, 2015State Compliance achieved2 linked violations
July 28, 2015State Compliance achieved1 linked violation
May 22, 2015State Violation/Reminder Notice8 linked violations
April 23, 2015State Compliance achieved1 linked violation
April 22, 2015State Compliance achieved1 linked violation
October 2, 2014State Violation/Reminder Notice2 linked violations
June 26, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 24, 2014State Violation/Reminder Notice7 linked violations
June 13, 2014State Violation/Reminder Notice5 linked violations
May 23, 2014State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
April 17, 2014State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 17, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 16, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 15, 2013State Violation/Reminder Notice2 linked violations
June 21, 2013State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
April 26, 2013State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
February 11, 2013State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
September 25, 2012State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
June 29, 2012State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
January 5, 2012State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
December 20, 2011State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
December 19, 2011State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 8, 2011State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 7, 2011State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 11, 2011State Compliance achieved1 linked violation
June 16, 2011State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 19, 2011State Compliance achieved1 linked violation
August 5, 2010State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 31, 2009State Compliance achieved3 linked violations
May 30, 2008State Violation/Reminder Notice1 linked violation
January 21, 2008State Compliance achieved42 linked violations
January 11, 2008State Violation/Reminder Notice2 linked violations
January 8, 2008State Compliance achieved12 linked violations
December 26, 2007State Compliance achieved3 linked violations
November 28, 2007State Violation/Reminder Notice1 linked violation
October 15, 2007State Compliance achieved2 linked violations
February 26, 2007State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 20, 2006State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 26, 2006State Compliance achieved21 linked violations
February 23, 2006State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
January 31, 2006State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 18, 2006State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 17, 2006State Compliance achieved4 linked violations
January 17, 2006State Compliance achieved22 linked violations
June 17, 2005State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 14, 2005State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
January 31, 2005State Compliance achieved11 linked violations
May 20, 2004State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 5, 2003State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
June 17, 2003State Othergeneral compliance action — not tied to a specific violation on record
June 19, 2002State Violation/Reminder Notice1 linked violation
February 27, 2002State Other1 linked violation
April 3, 2001State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 20, 2001State Compliance achieved26 linked violations
February 27, 2001State Violation/Reminder Notice1 linked violation
February 27, 2001State Other1 linked violation
February 23, 2001State Violation/Reminder Notice1 linked violation
January 26, 2001State Violation/Reminder Notice1 linked violation
November 13, 2000State Other1 linked violation
November 6, 2000State Othergeneral compliance action — not tied to a specific violation on record
November 6, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
November 3, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
October 10, 2000State Violation/Reminder Notice8 linked violations
October 3, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
September 28, 2000State Compliance Meeting conducted5 linked violations
September 19, 2000State Compliance Meeting conducted1 linked violation
May 30, 2000State Violation/Reminder Notice3 linked violations
November 24, 1999State Violation/Reminder Notice1 linked violation
September 21, 1999State Othergeneral compliance action — not tied to a specific violation on record
August 31, 1999State Violation/Reminder Notice5 linked violations
April 15, 1999State Compliance achieved26 linked violations
April 6, 1999State Other2 linked violations
December 3, 1998State Compliance achieved64 linked violations
November 9, 1998State Other1 linked violation
September 29, 1998State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 26, 1998State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
August 25, 1998State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 21, 1998State Othergeneral compliance action — not tied to a specific violation on record
September 29, 1997State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 26, 1997State Othergeneral compliance action — not tied to a specific violation on record
February 5, 1996State Othergeneral compliance action — not tied to a specific violation on record
January 4, 1996State Violation/Reminder Notice1 linked violation
November 29, 1995State Violation/Reminder Notice3 linked violations
July 6, 1995State Other2 linked violations
September 7, 1994State Violation/Reminder Notice3 linked violations
February 7, 1994State Other4 linked violations
December 28, 1993State Violation/Reminder Notice5 linked violations
September 30, 1993State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 5, 1993State Violation/Reminder Notice1 linked violation
June 24, 1993State Othergeneral compliance action — not tied to a specific violation on record
June 3, 1993State Violation/Reminder Notice1 linked violation
May 5, 1993State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 7, 1993State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 31, 1992State Othergeneral compliance action — not tied to a specific violation on record
December 29, 1992State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 5, 1992State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 22, 1992State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 27, 1992State Violation/Reminder Notice8 linked violations
March 25, 1992State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 28, 1992State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 11, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 3, 1991State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 2, 1991State Othergeneral compliance action — not tied to a specific violation on record
June 25, 1991State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
May 28, 1991State Compliance achieved22 linked violations
May 7, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 1, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 15, 1990State Violation/Reminder Notice1 linked violation
August 31, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
July 19, 1989State Violation/Reminder Notice1 linked violation
March 17, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 1, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

STANDIFER, CRYSTAL

907-583-2201

TYONEK, AK 99682