PORT LIONS, AK · Kodiak Island Borough County

PORT LIONS 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): AK2250045
System type: Community Water System
Population served: 175
Service connections: 139
Ownership: Native American tribal
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2025 – November 21, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2025 – April 30, 2025
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
March 1, 2025 – March 31, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2025 – March 31, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2025 – March 31, 2025
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2025 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Styrene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Toluene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2025 – December 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2024 – December 31, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
December 1, 2024 – December 31, 2024
Resolved
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – September 24, 2025
Resolved
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – September 24, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2024 – October 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2024 – October 31, 2024
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2024 – May 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2024 – February 29, 2024
Resolved
Monitoring, Regular
—
Benzene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Styrene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Toluene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2024 – December 31, 2024
Archived
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2024 – March 27, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2023 – November 20, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2023 – October 31, 2023
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2023 – August 31, 2023
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 2023 – July 31, 2023
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2023 – June 30, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2023 – June 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2023 – June 30, 2023
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2023 – April 30, 2023
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 2023 – March 31, 2023
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2022 – February 28, 2022
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2021 – June 30, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2020 – October 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2020 – October 31, 2020
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2020 – September 30, 2020
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2020 – June 30, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2020 – June 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2020 – May 31, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2020 – May 31, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2019 – November 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2019 – November 30, 2019
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2019 – July 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2019 – December 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2019 – August 31, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2019 – August 31, 2020
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
August 30, 2018 – April 27, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2017 – December 31, 2017
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2017 – December 31, 2017
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2016 – January 9, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2015 – August 31, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2015 – August 31, 2015
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 2, 2014 – September 9, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – August 20, 2014
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Mercury
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Chromium
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Barium
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Selenium
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2011 – December 31, 2019
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2009 – October 31, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2008 – September 30, 2008
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2008 – February 29, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2008 – January 31, 2008
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2007 – October 31, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2007 – September 30, 2007
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2007 – September 30, 2007
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2007 – August 31, 2007
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2007 – August 31, 2007
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – June 18, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – September 30, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2006 – August 31, 2006
Archived
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2006 – September 30, 2006
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2004 – November 30, 2004
Archived
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2004 – December 31, 2004
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2003 – November 5, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2002 – December 31, 2002
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2002 – November 30, 2002
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2001 – December 31, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2001 – August 31, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2001 – July 31, 2001
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2001 – November 5, 2010
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 2001 – July 31, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2001 – June 30, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2001 – May 31, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 2001 – May 31, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2001 – April 30, 2001
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2000 – August 31, 2000
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2000 – July 31, 2000
Archived
Monitoring, Regular
—
Nitrate
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Styrene
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2000 – December 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 of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1998 – August 31, 1998
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1998 – April 30, 1998
Archived
Monitoring, Regular
—
Toluene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Nickel
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Styrene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Benzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1996 – August 31, 1996
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1996 – January 31, 1996
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1-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
—
Ethylbenzene
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
—
1,2-Dichloroethane
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, Regular
—
Thallium, Total
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Benzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1995 – December 31, 1995
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 1995 – November 30, 1995
Archived
Monitoring, Regular
—
Aldicarb sulfone
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
October 1, 1995 – December 31, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 1995 – October 31, 1995
Archived
Monitoring, Regular
—
Methoxychlor
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Toxaphene
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
2,4-D
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
2,4,5-TP
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Simazine
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Picloram
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Diquat
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Dinoseb
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Endrin
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Heptachlor
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Chlordane
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Atrazine
October 1, 1995 – December 31, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1995 – September 30, 1995
Archived
Monitoring, Regular
—
2,4,5-TP
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
2,4-D
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 1995 – September 30, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1995 – July 31, 1995
Archived
Monitoring, Regular
—
Methoxychlor
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Simazine
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Picloram
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Diquat
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Endrin
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Chlordane
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Atrazine
July 1, 1995 – September 30, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1995 – June 30, 1995
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Endrin
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Heptachlor epoxide
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Heptachlor
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Chlordane
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfone
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
2,4-D
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Toxaphene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Methoxychlor
April 1, 1995 – June 30, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1995 – February 28, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1995 – February 28, 1995
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
February 1, 1995 – February 28, 1995
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Endrin
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Diquat
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Picloram
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Simazine
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Styrene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Toluene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1995 – December 31, 1995
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1995 – January 31, 1995
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1995 – January 31, 1995
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1995 – January 31, 1995
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
2,4-D
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Atrazine
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Chlordane
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1994 – December 31, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1994 – December 31, 1994
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1994 – November 30, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 1994 – November 30, 1994
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 1, 1994 – October 31, 1994
Archived
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
October 1, 1994 – October 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1994 – September 30, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1994 – August 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1994 – August 31, 1994
Archived
Monitoring, Regular
—
Nitrate
July 1, 1994 – September 30, 1994
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1994 – July 31, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1994 – June 30, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1994 – June 30, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1994 – May 31, 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
May 1, 1994 – May 31, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1994 – April 30, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1994 – April 30, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1994 – March 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1994 – March 31, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1994 – February 28, 1994
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1994 – December 31, 1994
Resolved
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, 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
—
1,1,1-Trichloroethane
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1994 – January 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1994 – January 31, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1993 – December 31, 1993
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1993 – December 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1993 – November 30, 1993
Archived
Treatment Technique (SWTR and GWR)
Health-based
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
Monitoring, Regular
—
Nitrate
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1993 – October 31, 1993
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1993 – August 31, 1993
Archived
Monitoring, Regular
—
Nitrate
July 1, 1993 – September 30, 1993
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1993 – December 3, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1993 – July 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1993 – March 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1993 – February 28, 1993
Archived
Monitoring, Regular
—
Nitrate
January 1, 1993 – March 31, 1993
Resolved
Monitoring, Regular
—
Chromium
March 1, 1992 – February 28, 1993
Resolved
Monitoring, Regular
—
Selenium
March 1, 1992 – February 28, 1993
Resolved
Monitoring, Regular
—
Fluoride
March 1, 1992 – February 28, 1993
Resolved
Monitoring, Regular
—
Arsenic
March 1, 1992 – February 28, 1993
Resolved
Monitoring, Regular
—
Mercury
March 1, 1992 – February 28, 1993
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Benzene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Cadmium
May 1, 1990 – April 30, 1991
Resolved
Monitoring, Regular
—
Mercury
May 1, 1990 – April 30, 1991
Resolved
Monitoring, Regular
—
Nitrate
May 1, 1990 – April 30, 1991
Resolved
Monitoring, Regular
—
Selenium
May 1, 1990 – April 30, 1991
Resolved
Monitoring, Regular
—
Arsenic
May 1, 1990 – April 30, 1991
Resolved
Monitoring, Regular
—
Fluoride
June 30, 1988 – June 30, 1989
Resolved
Monitoring, Regular
—
Chromium
June 30, 1988 – June 30, 1989
Resolved
Monitoring, Regular
—
Selenium
June 30, 1988 – June 30, 1989
Resolved
Monitoring, Regular
—
Nitrate
June 30, 1988 – June 30, 1989
Resolved
Monitoring, Regular
—
Barium
June 30, 1988 – June 30, 1989
Resolved
Monitoring, Regular
—
Cadmium
June 30, 1988 – June 30, 1989
Resolved
Monitoring, Regular
—
Arsenic
June 30, 1988 – June 30, 1989
Resolved
Monitoring, Regular
—
Mercury
June 30, 1988 – June 30, 1989
Resolved
Monitoring, Regular
—
Endrin
June 30, 1986 – June 30, 1989
Resolved
Monitoring, Regular
—
2,4,5-TP
June 30, 1986 – June 30, 1989
Resolved
Monitoring, Regular
—
BHC-GAMMA
June 30, 1986 – June 30, 1989
Resolved
Monitoring, Regular
—
2,4-D
June 30, 1986 – June 30, 1989
Resolved
Monitoring, Regular
—
Toxaphene
June 30, 1986 – June 30, 1989
Resolved
Monitoring, Regular
—
Methoxychlor
June 30, 1986 – June 30, 1989
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1985 – June 30, 1989
Archived
Monitoring, Regular
—
2,4,5-TP
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Toxaphene
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Methoxychlor
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Endrin
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
2,4-D
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
October 1, 2025 – November 21, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2025 – April 30, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2025 – March 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
March 1, 2025 – March 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2025 – December 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Styrene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Toluene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
December 1, 2024 – December 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2024 – December 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 17, 2024 – September 24, 2025	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Resolved
October 17, 2024 – September 24, 2025	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Resolved
October 1, 2024 – October 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2024 – October 31, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2024 – May 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2024 – February 29, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Benzene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Styrene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Toluene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2024 – March 27, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2023 – November 20, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2023 – October 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 1, 2023 – August 31, 2023	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 2023 – July 31, 2023	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 1, 2023 – June 30, 2023	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2023 – June 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2023 – June 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2023 – April 30, 2023	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
March 1, 2023 – March 31, 2023	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
February 1, 2022 – February 28, 2022	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 1, 2021 – June 30, 2021	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
October 1, 2020 – October 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2020 – October 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2020 – September 30, 2020	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 2020 – July 31, 2020	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 1, 2020 – June 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2020 – June 30, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2020 – May 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2020 – May 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2019 – July 30, 2020	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2019 – August 31, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
September 1, 2019 – August 31, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
August 30, 2018 – April 27, 2021	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
December 1, 2017 – December 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2017 – December 31, 2017	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
October 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2016 – January 9, 2017	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
August 1, 2015 – August 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2015 – August 31, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 2, 2014 – September 9, 2014	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2014 – August 20, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Mercury	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Chromium	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Barium	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Selenium	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Beryllium, Total	—	Resolved
October 1, 2009 – October 31, 2009	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
September 1, 2008 – September 30, 2008	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
February 1, 2008 – February 29, 2008	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2008 – January 31, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 2007 – October 31, 2007	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
September 1, 2007 – September 30, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 2007 – September 30, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2007 – August 31, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2007 – August 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 2007 – June 18, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 2006 – August 31, 2006	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2006 – September 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2005 – June 30, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
November 1, 2004 – November 30, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Archived
January 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2003 – November 5, 2010	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 1, 2002 – December 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 2002 – November 30, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 2001 – December 31, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2001 – August 31, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2001 – July 31, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2001 – November 5, 2010	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2001 – July 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 2001 – June 30, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 2001 – May 31, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 2001 – May 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 2001 – April 30, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2000 – August 31, 2000	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 2000 – July 31, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Styrene	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Antimony, Total	—	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
August 1, 1998 – August 31, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1998 – April 30, 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	Thallium, Total	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Nickel	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Styrene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Benzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
August 1, 1996 – August 31, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	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	Trichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1-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	Ethylbenzene	—	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	1,2-Dichloroethane	—	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 – December 31, 1996	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Benzene	—	Resolved
December 1, 1995 – December 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 1995 – November 30, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 1995 – December 31, 1995	Monitoring, Regular	Aldicarb sulfone	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
October 1, 1995 – October 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 1995 – December 31, 1995	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Toxaphene	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	2,4-D	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	2,4,5-TP	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Aldicarb	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Simazine	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Picloram	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Diquat	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Dinoseb	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Endrin	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Heptachlor	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Chlordane	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Atrazine	—	Resolved
September 1, 1995 – September 30, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1995 – September 30, 1995	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	2,4-D	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 1995 – July 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1995 – September 30, 1995	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Aldicarb	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Simazine	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Picloram	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Diquat	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Endrin	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Chlordane	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Atrazine	—	Resolved
June 1, 1995 – June 30, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1995 – June 30, 1995	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Endrin	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Heptachlor epoxide	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Heptachlor	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Chlordane	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Aldicarb sulfone	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Aldicarb	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	2,4-D	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Toxaphene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Methoxychlor	—	Resolved
February 1, 1995 – February 28, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1995 – February 28, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1995 – February 28, 1995	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1995 – December 31, 1995	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Endrin	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Diquat	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Picloram	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Simazine	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Styrene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Toluene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1995 – January 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 1995 – January 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1995 – January 31, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1995 – March 31, 1995	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	2,4-D	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Atrazine	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Chlordane	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
December 1, 1994 – December 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1994 – December 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 1994 – November 30, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
November 1, 1994 – November 30, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 1994 – October 31, 1994	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1994 – October 31, 1994	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	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, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1994 – August 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1994 – September 30, 1994	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1994 – July 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1994 – June 30, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
June 1, 1994 – June 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
May 1, 1994 – May 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1994 – May 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 1994 – May 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1994 – April 30, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1994 – April 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 1994 – March 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1994 – March 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1994 – February 28, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1994 – December 31, 1994	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
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
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	1,1,1-Trichloroethane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1994 – January 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1994 – January 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1993 – December 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1993 – December 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1993 – November 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1993 – November 30, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1993 – October 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
October 1, 1993 – October 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1993 – August 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1993 – September 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
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, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1993 – March 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
February 1, 1993 – February 28, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1993 – March 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
March 1, 1992 – February 28, 1993	Monitoring, Regular	Chromium	—	Resolved
March 1, 1992 – February 28, 1993	Monitoring, Regular	Selenium	—	Resolved
March 1, 1992 – February 28, 1993	Monitoring, Regular	Fluoride	—	Resolved
March 1, 1992 – February 28, 1993	Monitoring, Regular	Arsenic	—	Resolved
March 1, 1992 – February 28, 1993	Monitoring, Regular	Mercury	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Benzene	—	Resolved
May 1, 1990 – April 30, 1991	Monitoring, Regular	Cadmium	—	Resolved
May 1, 1990 – April 30, 1991	Monitoring, Regular	Mercury	—	Resolved
May 1, 1990 – April 30, 1991	Monitoring, Regular	Nitrate	—	Resolved
May 1, 1990 – April 30, 1991	Monitoring, Regular	Selenium	—	Resolved
May 1, 1990 – April 30, 1991	Monitoring, Regular	Arsenic	—	Resolved
June 30, 1988 – June 30, 1989	Monitoring, Regular	Fluoride	—	Resolved
June 30, 1988 – June 30, 1989	Monitoring, Regular	Chromium	—	Resolved
June 30, 1988 – June 30, 1989	Monitoring, Regular	Selenium	—	Resolved
June 30, 1988 – June 30, 1989	Monitoring, Regular	Nitrate	—	Resolved
June 30, 1988 – June 30, 1989	Monitoring, Regular	Barium	—	Resolved
June 30, 1988 – June 30, 1989	Monitoring, Regular	Cadmium	—	Resolved
June 30, 1988 – June 30, 1989	Monitoring, Regular	Arsenic	—	Resolved
June 30, 1988 – June 30, 1989	Monitoring, Regular	Mercury	—	Resolved
June 30, 1986 – June 30, 1989	Monitoring, Regular	Endrin	—	Resolved
June 30, 1986 – June 30, 1989	Monitoring, Regular	2,4,5-TP	—	Resolved
June 30, 1986 – June 30, 1989	Monitoring, Regular	BHC-GAMMA	—	Resolved
June 30, 1986 – June 30, 1989	Monitoring, Regular	2,4-D	—	Resolved
June 30, 1986 – June 30, 1989	Monitoring, Regular	Toxaphene	—	Resolved
June 30, 1986 – June 30, 1989	Monitoring, Regular	Methoxychlor	—	Resolved
June 30, 1985 – June 30, 1989	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	2,4,5-TP	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Toxaphene	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Methoxychlor	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Endrin	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	2,4-D	—	Archived

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

Enforcement actions

December 9, 2025State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
September 24, 2025State Compliance achieved2 linked violations
May 13, 2025State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
April 15, 2025State Compliance achieved1 linked violation
January 23, 2025State Compliance achieved3 linked violations
November 4, 2024State Compliance achieved2 linked violations
October 31, 2024State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
July 1, 2024State Compliance achieved1 linked violation
July 1, 2024State Compliance achieved1 linked violation
March 27, 2024State Compliance achieved1 linked violation
March 27, 2024State Compliance achieved1 linked violation
January 1, 2024State Compliance achieved5 linked violations
December 1, 2023State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
December 1, 2023State Public Notification received4 linked violations
November 30, 2023State Public Notification requested4 linked violations
November 20, 2023State Compliance achieved1 linked violation
November 20, 2023State Compliance achieved1 linked violation
September 1, 2023State Compliance achieved1 linked violation
June 8, 2023State Compliance achieved3 linked violations
February 28, 2022State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
December 1, 2021State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
July 31, 2021State Compliance achieved1 linked violation
April 27, 2021State Compliance achieved1 linked violation
March 21, 2021State Compliance achieved1 linked violation
February 10, 2021State Compliance achieved4 linked violations
February 10, 2021State Compliance achieved3 linked violations
January 26, 2021State Compliance Meeting conducted3 linked violations
December 3, 2020State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
August 31, 2020State Compliance achieved1 linked violation
April 6, 2020State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
August 30, 2019State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
August 29, 2019State Compliance Meeting conducted1 linked violation
April 5, 2019State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
January 10, 2019State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
November 29, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
November 2, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
October 24, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
September 7, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
August 31, 2018State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
August 31, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
August 31, 2018State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
March 19, 2018State Compliance achieved1 linked violation
January 30, 2018State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
January 9, 2017State Compliance achieved1 linked violation
November 2, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 2, 2016State Compliance achieved2 linked violations
April 27, 2016State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
November 16, 2015State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
November 5, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 8, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 14, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 2, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 27, 2015State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
January 27, 2015State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
November 24, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 28, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 17, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 9, 2014State Compliance achieved1 linked violation
August 20, 2014State Compliance achieved1 linked violation
June 7, 2012State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
June 7, 2012State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
November 5, 2010State Compliance achieved25 linked violations
October 26, 2009State Compliance Meeting conducted1 linked violation
June 14, 2005State Compliance achieved2 linked violations
January 1, 2005State Compliance achieved6 linked violations
October 25, 2004State Compliance achieved99 linked violations
October 21, 2004State Compliance achieved5 linked violations
September 14, 2004State Compliance achieved2 linked violations
July 23, 2004State Compliance achieved28 linked violations
July 21, 2004State Compliance achieved53 linked violations
July 21, 2004State Compliance achieved6 linked violations
July 21, 2004State Compliance achieved49 linked violations
May 4, 2004State Other1 linked violation
April 7, 2004State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 1, 2004State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
February 22, 2002State Othergeneral compliance action — not tied to a specific violation on record
February 4, 2002State Other21 linked violations
January 23, 2002State Compliance Meeting conducted1 linked violation
December 7, 2001State Other1 linked violation
November 6, 2001State Compliance achieved23 linked violations
October 1, 2001State Compliance achieved10 linked violations
September 21, 2001State Violation/Reminder Notice44 linked violations
April 23, 2001State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
April 20, 2001State Other1 linked violation
December 6, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 19, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
July 17, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 17, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
July 14, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 14, 2000State Compliance Meeting conductedgeneral compliance action — not tied to a specific violation on record
July 14, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 14, 2000State Othergeneral compliance action — not tied to a specific violation on record
July 14, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 13, 2000State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 25, 1999State Other1 linked violation
September 8, 1999State Other1 linked violation
June 22, 1999State Compliance achieved26 linked violations
March 25, 1999State Violation/Reminder Notice1 linked violation
March 19, 1999State Violation/Reminder Notice7 linked violations
December 21, 1998State Compliance achieved8 linked violations
December 3, 1998State Compliance achieved152 linked violations
November 9, 1998State Other2 linked violations
February 25, 1997State Violation/Reminder Notice7 linked violations
October 2, 1996State Other6 linked violations
February 6, 1996State Other1 linked violation
January 5, 1996State Violation/Reminder Notice1 linked violation
August 25, 1995State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 24, 1995State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
July 12, 1994State Violation/Reminder Notice3 linked violations
June 15, 1994State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 10, 1994State Violation/Reminder Notice6 linked violations
December 10, 1993State Othergeneral compliance action — not tied to a specific violation on record
November 19, 1993State Violation/Reminder Notice2 linked violations
July 8, 1993State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 10, 1993State Violation/Reminder Notice1 linked violation
May 4, 1992State Violation/Reminder Notice1 linked violation
February 26, 1992State Compliance achieved22 linked violations
January 21, 1992State Violation/Reminder Notice9 linked violations
November 28, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 6, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 23, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 17, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

KEWAN, DORINDA_CIITYMAYOR

907-942-7030

PORT LIONS, AK 99550