HASTINGS, OK · Jefferson County
JEFFERSON CO CONS RWD #1 Water System
Consumer Confidence Report status
JEFFERSON CO CONS RWD #1 must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for JEFFERSON CO CONS RWD #1.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.
System facts
- System ID (PWSID)
- OK3003401
- System type
- Community Water System
- Population served
- 8,398
- Service connections
- 2,415
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
JEFFERSON CO CONS RWD #1 is one of 106 community water systems in Oklahoma in the 3,301 to 10,000 people size category, serving 8,398 people from surface water.
As of August 1, 2026, its federal record holds 210 entries between 1996 and 2025, all of which EPA lists as closed.
Of the 210, 167 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, the Radionuclides and Revised Rad Rule, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring, Regular
—Nitrate-Nitrite
January 1, 2025 – December 31, 2025
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2023 – March 31, 2023
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—Benzene
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—Gross Beta Particle Activity
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 2020 – December 31, 2025
ArchivedMonitoring, Regular
—Toluene
January 1, 2020 – December 31, 2025
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2017 – June 30, 2017
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
March 1, 2017 – May 31, 2017
ResolvedMonitoring and Reporting (DBP)
—TTHM
March 1, 2017 – May 31, 2017
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2017 – March 31, 2017
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2016 – December 31, 2016
ResolvedMaximum Contaminant Level Violation, Average
Health-basedGross Alpha, Excl. Radon and U
October 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Gross Beta Particle Activity
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Combined Uranium
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2016 – September 30, 2016
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2016 – September 30, 2016
ResolvedMaximum Contaminant Level Violation, Average
Health-basedGross Alpha, Excl. Radon and U
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Gross Beta Particle Activity
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Combined Uranium
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Gross Beta Particle Activity
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Combined Uranium
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Styrene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Benzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Styrene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Toluene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Benzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Combined Uranium
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Gross Beta Particle Activity
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Combined Uranium
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Gross Beta Particle Activity
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Benzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Toluene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Regular
—Toluene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Gross Beta Particle Activity
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Gross Beta Particle Activity
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Xylenes, Total
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Benzene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Toluene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Styrene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Xylenes, Total
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Styrene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Benzene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Styrene
October 1, 2015 – December 31, 2015
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2015 – June 30, 2015
ResolvedMonitoring, Regular
—Ethylbenzene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Carbon tetrachloride
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Vinyl chloride
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—p-Dichlorobenzene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—DICHLOROMETHANE
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Toluene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—CHLOROBENZENE
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Tetrachloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,2-Dichloropropane
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Carbon tetrachloride
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,2-Dichloroethane
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Vinyl chloride
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—p-Dichlorobenzene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—o-Dichlorobenzene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—DICHLOROMETHANE
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Xylenes, Total
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
July 1, 2014 – September 30, 2014
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Nitrate-Nitrite
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
April 1, 2014 – April 30, 2014
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Nitrate-Nitrite
April 1, 2014 – June 30, 2014
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 2013 – November 30, 2013
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2013 – December 31, 2013
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2013 – July 31, 2013
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2012 – December 31, 2012
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2012 – February 6, 2015
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2012 – September 30, 2012
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2012 – June 30, 2012
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2012 – March 31, 2012
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2011 – December 31, 2011
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2011 – September 30, 2011
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2011 – June 30, 2011
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2011 – March 31, 2011
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2010 – December 31, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2010 – September 30, 2010
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
June 1, 2010 – June 30, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2010 – June 30, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2010 – March 31, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2009 – December 31, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2009 – September 30, 2009
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
May 1, 2009 – May 31, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2009 – June 30, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2009 – March 31, 2009
ResolvedMonitoring, Routine (IDSE)
—Total Haloacetic Acids (HAA5)
November 1, 2008 – January 31, 2009
ResolvedMonitoring, Routine (IDSE)
—TTHM
November 1, 2008 – January 31, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2008 – December 31, 2008
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2008 – September 30, 2008
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2008 – June 30, 2008
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2008 – March 31, 2008
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2007 – December 31, 2007
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2007 – September 30, 2007
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2007 – September 30, 2007
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2007 – June 30, 2007
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 1999 – September 30, 1999
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 1999 – July 31, 1999
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1998 – June 30, 1998
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1996 – August 31, 1996
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Nitrate-Nitrite | — | Archived |
| January 1, 2023 – March 31, 2023 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2022 – June 30, 2022 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | Gross Beta Particle Activity | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 2020 – December 31, 2025 | Monitoring, Regular | Toluene | — | Archived |
| April 1, 2017 – June 30, 2017 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| March 1, 2017 – May 31, 2017 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| March 1, 2017 – May 31, 2017 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2017 – March 31, 2017 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2016 – December 31, 2016 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2016 – December 31, 2016 | Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Health-based | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Gross Beta Particle Activity | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Combined Uranium | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| July 1, 2016 – September 30, 2016 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2016 – September 30, 2016 | Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Health-based | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Gross Beta Particle Activity | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Combined Uranium | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Gross Beta Particle Activity | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Combined Uranium | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Combined Uranium | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Gross Beta Particle Activity | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Combined Uranium | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Gross Beta Particle Activity | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Gross Beta Particle Activity | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Gross Beta Particle Activity | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2015 – June 30, 2015 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| April 1, 2014 – April 30, 2014 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2014 – June 30, 2014 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| January 1, 2014 – March 31, 2014 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| November 1, 2013 – November 30, 2013 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2013 – December 31, 2013 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2013 – July 31, 2013 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2012 – December 31, 2012 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2012 – February 6, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2012 – September 30, 2012 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2012 – June 30, 2012 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2012 – March 31, 2012 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2011 – December 31, 2011 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2011 – September 30, 2011 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2011 – June 30, 2011 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2011 – March 31, 2011 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2010 – December 31, 2010 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2010 – September 30, 2010 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| June 1, 2010 – June 30, 2010 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2010 – June 30, 2010 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2010 – March 31, 2010 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2009 – December 31, 2009 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2009 – September 30, 2009 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| May 1, 2009 – May 31, 2009 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2009 – June 30, 2009 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2009 – March 31, 2009 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| November 1, 2008 – January 31, 2009 | Monitoring, Routine (IDSE) | Total Haloacetic Acids (HAA5) | — | Resolved |
| November 1, 2008 – January 31, 2009 | Monitoring, Routine (IDSE) | TTHM | — | Resolved |
| October 1, 2008 – December 31, 2008 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2008 – September 30, 2008 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2008 – June 30, 2008 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2008 – March 31, 2008 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2007 – December 31, 2007 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| September 1, 2007 – September 30, 2007 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2007 – September 30, 2007 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2007 – June 30, 2007 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2007 – March 31, 2007 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| September 1, 1999 – September 30, 1999 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| July 1, 1999 – July 31, 1999 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| June 1, 1998 – June 30, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 1996 – August 31, 1996 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- September 15, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- August 4, 2016State Compliance achieved240 linked violations
- November 18, 2014State Compliance achieved498 linked violations
- June 30, 2010State Compliance achieved262 linked violations
Common questions
Is JEFFERSON CO CONS RWD #1 required to publish a Consumer Confidence Report?
- Yes. JEFFERSON CO CONS RWD #1 is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is JEFFERSON CO CONS RWD #1’s next Consumer Confidence Report due?
- JEFFERSON CO CONS RWD #1’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does JEFFERSON CO CONS RWD #1 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for JEFFERSON CO CONS RWD #1.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
JEFFERSON CO CONS RWD #1
580-963-3161
HASTINGS, OK 73548