YABUCOA, PR · Yabucoa Municipio County

YABUCOA URBANO 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 Puerto Rico’s official records. Always confirm current status with Puerto Rico before making decisions based on this information.

System facts

System ID (PWSID): PR0005196
System type: Community Water System
Population served: 14,610
Service connections: 5,472
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2021 – July 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2021 – March 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2020 – December 31, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – July 31, 2020
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2018 – August 13, 2019
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
April 1, 2018 – April 30, 2018
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
April 1, 2018 – April 30, 2018
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
April 1, 2018 – April 30, 2018
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
July 1, 2017 – July 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
July 1, 2017 – July 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
July 1, 2017 – July 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
May 1, 2017 – May 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
May 1, 2017 – May 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
May 1, 2017 – May 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
February 1, 2017 – February 28, 2017
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
February 1, 2017 – February 28, 2017
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
February 1, 2017 – February 28, 2017
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
January 1, 2017 – January 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
January 1, 2017 – January 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
January 1, 2017 – January 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
October 1, 2016 – October 31, 2016
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
October 1, 2016 – October 31, 2016
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
October 1, 2016 – October 31, 2016
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Routine (IDSE)
—
TTHM
July 1, 2016 – September 30, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2016 – September 30, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
October 1, 2015 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2015 – December 31, 2015
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2015 – September 30, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
October 1, 2014 – September 30, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – August 11, 2014
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2014 – December 31, 2014
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
July 1, 2013 – September 30, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2013 – September 30, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
July 1, 2012 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2012 – April 30, 2012
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2012 – September 30, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
July 1, 2011 – September 30, 2016
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2010 – April 30, 2010
Archived
Monitoring, Source Water (LT2)
—
Cryptosporidium
December 1, 2009 – December 31, 2009
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
November 1, 2009 – November 30, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2009 – May 31, 2009
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
April 1, 2009 – April 30, 2009
Archived
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2009 – September 30, 2016
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
September 1, 2008 – March 31, 2008
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2008 – March 31, 2008
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2007 – December 31, 2007
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2007 – September 30, 2007
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2007 – December 31, 2007
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2006 – December 31, 2006
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
October 1, 2006 – October 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Toluene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Benzene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Styrene
October 1, 2005 – December 31, 2005
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2005 – May 31, 2005
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 2005 – February 28, 2005
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2005 – December 31, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2004 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
December 1, 2004 – December 31, 2004
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
November 1, 2004 – November 30, 2004
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2004 – May 31, 2004
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2003 – December 31, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2003 – September 30, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2003 – June 30, 2003
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2003 – April 30, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 2003 – March 31, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2001 – November 30, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2001 – October 31, 2001
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2001 – July 31, 2001
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2000 – September 30, 2000
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2000 – August 31, 2000
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1999 – November 30, 1999
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1999 – October 31, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1999 – September 30, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1999 – August 31, 1999
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1999 – July 31, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1999 – March 31, 1999
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1998 – December 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1998 – December 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1998 – November 30, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1998 – November 30, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1998 – October 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1998 – October 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Methoxychlor
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Xylenes, Total
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Vinyl chloride
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Trichloroethylene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Benzene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Toluene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Ethylbenzene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Styrene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
2,4,5-TP
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
2,4-D
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
LASSO
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Atrazine
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Carbofuran
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Chlordane
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Dalapon
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Dinoseb
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Diquat
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Endothall
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Endrin
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Glyphosate
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Heptachlor
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Heptachlor epoxide
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
BHC-GAMMA
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Pentachlorophenol
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Toxaphene
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
OXAMYL
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Picloram
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Simazine
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Nitrate
July 1, 1998 – September 30, 1998
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
May 1, 1998 – May 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1998 – April 30, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1998 – February 28, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 1998 – January 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1998 – January 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1997 – November 30, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1997 – October 31, 1997
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1997 – October 31, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1997 – September 30, 1997
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1997 – September 30, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1997 – August 31, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1997 – July 31, 1997
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1997 – June 30, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1997 – May 31, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1997 – April 30, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1996 – December 31, 1996
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1996 – November 30, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1996 – October 31, 1996
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1996 – October 31, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1996 – August 31, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1996 – July 31, 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
March 1, 1996 – March 31, 1996
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 1996 – March 31, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1996 – February 29, 1996
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1996 – February 29, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1996 – January 31, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1995 – December 31, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1995 – August 31, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
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
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1995 – May 31, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1995 – April 30, 1995
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 1995 – April 30, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1995 – March 31, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1995 – February 28, 1995
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1995 – February 28, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1995 – January 31, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1994 – December 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1994 – November 30, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1994 – October 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1994 – August 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1994 – June 30, 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
March 1, 1994 – March 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1993 – December 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1993 – October 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1993 – September 30, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1993 – August 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 1992 – January 31, 1992
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1991 – October 31, 1991
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1991 – August 31, 1991
Archived
Monitoring, Regular
—
Barium
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Selenium
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Fluoride
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Chromium
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Cadmium
September 30, 1983 – September 29, 1984
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
July 1, 2021 – July 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2021 – March 31, 2021	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2020 – July 31, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2018 – August 13, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
April 1, 2018 – April 30, 2018	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
April 1, 2018 – April 30, 2018	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
April 1, 2018 – April 30, 2018	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
May 1, 2017 – May 31, 2017	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
May 1, 2017 – May 31, 2017	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
May 1, 2017 – May 31, 2017	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
February 1, 2017 – February 28, 2017	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
February 1, 2017 – February 28, 2017	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
February 1, 2017 – February 28, 2017	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
October 1, 2016 – October 31, 2016	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
October 1, 2016 – October 31, 2016	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
October 1, 2016 – October 31, 2016	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Routine (IDSE)	TTHM	—	Resolved
April 1, 2016 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2015 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2015 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2014 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2014 – August 11, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2014 – December 31, 2014	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2013 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2013 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2012 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2012 – April 30, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2012 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2011 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2010 – April 30, 2010	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
December 1, 2009 – December 31, 2009	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
November 1, 2009 – November 30, 2009	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
May 1, 2009 – May 31, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2009 – April 30, 2009	Monitoring, Source Water (LT2)	Cryptosporidium	—	Archived
January 1, 2009 – September 30, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
September 1, 2008 – March 31, 2008	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2008 – March 31, 2008	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
October 1, 2007 – December 31, 2007	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 2007 – September 30, 2007	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2007 – June 30, 2007	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2007 – March 31, 2007	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
December 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2006 – October 31, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Toluene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Benzene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Styrene	—	Resolved
May 1, 2005 – May 31, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
February 1, 2005 – February 28, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Fluoride	—	Resolved
December 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2004 – November 30, 2004	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
May 1, 2004 – May 31, 2004	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
December 1, 2003 – December 31, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
September 1, 2003 – September 30, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 1, 2003 – June 30, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
April 1, 2003 – April 30, 2003	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
March 1, 2003 – March 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 2001 – November 30, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 2001 – October 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 2001 – July 31, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 2000 – September 30, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 2000 – August 31, 2000	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1999 – November 30, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1999 – October 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 1999 – September 30, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1999 – August 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1999 – July 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
March 1, 1999 – March 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1998 – December 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	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	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1998 – November 30, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1998 – October 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1998 – October 31, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1998 – September 30, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Methoxychlor	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Xylenes, Total	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	DICHLOROMETHANE	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	o-Dichlorobenzene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Vinyl chloride	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	1,2-Dichloroethane	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Carbon tetrachloride	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	1,2-Dichloropropane	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Trichloroethylene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Tetrachloroethylene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	CHLOROBENZENE	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Benzene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Toluene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Ethylbenzene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Styrene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	2,4,5-TP	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	2,4-D	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	LASSO	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Atrazine	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Benzo(a)pyrene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Carbofuran	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Chlordane	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Dalapon	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Dinoseb	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Diquat	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Endothall	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Endrin	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Glyphosate	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Heptachlor	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Heptachlor epoxide	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	BHC-GAMMA	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Pentachlorophenol	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Toxaphene	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	OXAMYL	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Picloram	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Simazine	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
July 1, 1998 – September 30, 1998	Monitoring, Regular	Nitrate	—	Archived
May 1, 1998 – May 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
April 1, 1998 – April 30, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1998 – February 28, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 1998 – January 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1998 – January 31, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1997 – November 30, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1997 – October 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1997 – October 31, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 1997 – September 30, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1997 – September 30, 1997	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
August 1, 1997 – August 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1997 – July 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 1997 – June 30, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
May 1, 1997 – May 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1997 – April 30, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1996 – December 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1996 – November 30, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1996 – October 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1996 – October 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1996 – August 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1996 – July 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 1996 – June 30, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 1996 – March 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 1996 – March 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
February 1, 1996 – February 29, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1996 – February 29, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1996 – January 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1995 – December 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1995 – August 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1995 – July 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 1995 – June 30, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
May 1, 1995 – May 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1995 – April 30, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1995 – April 30, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
March 1, 1995 – March 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	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	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1995 – January 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1994 – December 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1994 – November 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1994 – October 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1994 – August 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
April 1, 1994 – April 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 1994 – March 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1993 – December 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1993 – October 31, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 1993 – September 30, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1993 – August 31, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1992 – December 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 1992 – November 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1992 – January 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1991 – October 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1991 – August 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Barium	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Selenium	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Fluoride	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Chromium	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Cadmium	—	Archived

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

Enforcement actions

September 8, 2021State Formal Notice of Violation issued1 linked violation
August 31, 2021State Compliance achieved1 linked violation
June 30, 2021State Compliance achieved2 linked violations
January 22, 2021State Civil Case filed in State court2 linked violations
July 31, 2020State Compliance achieved1 linked violation
August 13, 2019State Compliance achieved1 linked violation
July 10, 2019State Formal Notice of Violation issued1 linked violation
November 30, 2018State Compliance achieved3 linked violations
August 13, 2018State Formal Notice of Violation issued3 linked violations
October 31, 2017State Formal Notice of Violation issued3 linked violations
August 31, 2017State Compliance achieved15 linked violations
July 6, 2017State Formal Notice of Violation issued3 linked violations
May 15, 2017State Formal Notice of Violation issued6 linked violations
January 18, 2017State Formal Notice of Violation issued2 linked violations
December 31, 2016State Compliance achieved2 linked violations
December 13, 2016State Formal Notice of Violation issued3 linked violations
September 30, 2016State Compliance achieved10 linked violations
May 17, 2016State Formal Notice of Violation issued1 linked violation
March 31, 2016State Compliance achieved1 linked violation
February 9, 2016State Civil Case filed in State court1 linked violation
October 23, 2015State Formal Notice of Violation issued1 linked violation
May 8, 2015State Formal Notice of Violation issued1 linked violation
December 31, 2014State Compliance achieved1 linked violation
September 10, 2014State Formal Notice of Violation issued2 linked violations
August 11, 2014State Compliance achieved1 linked violation
March 19, 2014State Formal Notice of Violation issued1 linked violation
October 24, 2013State Formal Notice of Violation issued1 linked violation
May 1, 2013State Formal Notice of Violation issued1 linked violation
November 1, 2012State Compliance achieved1 linked violation
October 29, 2012State Formal Notice of Violation issued1 linked violation
December 11, 2011State Formal Notice of Violation issued1 linked violation
December 31, 2010State Compliance achieved1 linked violation
January 31, 2010State Compliance achieved2 linked violations
November 30, 2009State Compliance achieved1 linked violation
August 25, 2009State Formal Notice of Violation issued1 linked violation
March 31, 2009State Compliance achieved5 linked violations
December 31, 2008State Compliance achieved1 linked violation
June 25, 2008State Civil Case filed in State court1 linked violation
June 24, 2008State Civil Case filed in State court1 linked violation
March 31, 2008State Compliance achieved3 linked violations
June 30, 2007State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 30, 2007State Compliance achieved3 linked violations
April 30, 2007State Compliance achieved2 linked violations
August 23, 2006State Formal Notice of Violation issued22 linked violations
April 30, 2006Federal Compliance achieved5 linked violations
March 31, 2006State Compliance achieved21 linked violations
August 12, 2005State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 12, 2004State Public Notification requested1 linked violation
February 9, 2004State Public Notification requested1 linked violation
November 14, 2003State Public Notification requested1 linked violation
August 14, 2003State Public Notification requested1 linked violation
May 12, 2003State Public Notification requested1 linked violation
February 11, 2002State Public Notification requested1 linked violation
December 18, 2001State Public Notification received1 linked violation
September 14, 2001State Public Notification received1 linked violation
November 13, 2000State Public Notification requested2 linked violations
August 3, 2000State Violation/Reminder Notice1 linked violation
February 8, 2000State Public Notification requested2 linked violations
November 12, 1999State Public Notification requested3 linked violations
May 13, 1999State Public Notification requested7 linked violations
April 28, 1999State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 9, 1999State Public Notification requested6 linked violations
November 10, 1998State Public Notification requested1 linked violation
November 6, 1998State Formal Notice of Violation issued29 linked violations
October 28, 1998State Formal Notice of Violation issued21 linked violations
October 16, 1998State Formal Notice of Violation issued1 linked violation
July 7, 1998State Public Notification received1 linked violation
June 19, 1998State Public Notification received1 linked violation
October 21, 1997State Public Notification received2 linked violations
September 24, 1997State Public Notification received1 linked violation
September 1, 1997State Public Notification received1 linked violation
July 15, 1997State Public Notification received1 linked violation
June 4, 1997State Public Notification received1 linked violation
May 12, 1997State Public Notification requested2 linked violations
March 3, 1997State Public Notification received1 linked violation
August 8, 1996State Public Notification requested1 linked violation
May 8, 1996State Public Notification requested5 linked violations
February 20, 1996State Public Notification received1 linked violation
October 25, 1995State Public Notification received1 linked violation
October 6, 1995State Public Notification received1 linked violation
August 22, 1995State Public Notification received1 linked violation
July 12, 1995State Public Notification received6 linked violations
May 24, 1995State Public Notification received2 linked violations
April 28, 1995State Public Notification received1 linked violation
March 28, 1995State Public Notification received2 linked violations
March 14, 1995State Public Notification received1 linked violation
February 7, 1995State Public Notification requested2 linked violations
November 30, 1994State Formal Notice of Violation issued1 linked violation
November 5, 1994State Public Notification received1 linked violation
October 28, 1994State Public Notification received1 linked violation
August 19, 1994State Public Notification received1 linked violation
April 20, 1994State Public Notification requested1 linked violation
April 15, 1994State Administrative/Compliance Order without penalty issued1 linked violation
January 29, 1994State Public Notification received1 linked violation
January 28, 1994State Public Notification received1 linked violation
December 9, 1993State Public Notification received1 linked violation
November 5, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 2, 1993State Violation/Reminder Notice1 linked violation
August 19, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 22, 1993State Public Notification received1 linked violation
December 20, 1992State Public Notification received1 linked violation
June 24, 1992State Public Notification received1 linked violation
June 18, 1992State Public Notification received1 linked violation
February 26, 1992State Public Notification received1 linked violation
October 23, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 16, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

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YABUCOA URBANO

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YABUCOA, PR 00767