OKARCHE, OK · Kingfisher County

OKARCHE RWD, INC Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 1 other open item(s). See the violation history below for contaminant and status details.

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 Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.

System facts

System ID (PWSID): OK2003715
System type: Community Water System
Population served: 250
Service connections: 120
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2025 – December 31, 2025
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025 – May 15, 2025
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2025 – March 31, 2025
Archived
Monitoring and Reporting (DBP)
—
Chlorine
November 1, 2024 – November 30, 2024
Resolved
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2024 – September 30, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2024 – March 31, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2022 – September 30, 2022
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2022 – June 30, 2022
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2022 – March 31, 2022
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2021 – December 31, 2021
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2021 – September 30, 2021
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2021 – June 30, 2021
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2020 – December 31, 2020
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2020 – June 30, 2020
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2019 – December 31, 2019
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2019 – September 30, 2019
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2019 – June 30, 2019
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2019 – March 31, 2019
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2018 – December 31, 2018
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2018 – September 30, 2018
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2018 – June 30, 2018
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2018 – March 31, 2018
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2017 – December 31, 2017
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – November 27, 2017
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2017 – September 30, 2017
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2017 – June 30, 2017
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2017 – March 31, 2017
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2016 – December 31, 2016
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2016 – September 30, 2016
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2016 – June 30, 2016
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2016 – March 31, 2016
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2015 – December 31, 2015
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2015 – September 30, 2015
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2015 – June 30, 2015
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2015 – March 31, 2015
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2014 – December 31, 2014
Archived
Monitoring, Regular
—
Vinyl chloride
July 1, 2014 – September 30, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – August 6, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2014 – September 30, 2014
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2014 – June 30, 2014
Archived
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
January 1, 2014 – March 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
October 1, 2013 – December 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
July 1, 2013 – September 30, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – August 6, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2013 – September 30, 2013
Archived
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
April 1, 2013 – June 30, 2013
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2013 – June 30, 2013
Archived
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
January 1, 2013 – March 31, 2013
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2013 – March 31, 2013
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2012 – December 31, 2012
Archived
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
July 1, 2012 – September 30, 2012
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – August 6, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2012 – June 30, 2012
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Vinyl chloride
April 1, 2012 – June 30, 2012
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2012 – March 31, 2012
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Toluene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Benzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Vinyl chloride
January 1, 2012 – March 31, 2012
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2011 – December 31, 2011
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2011 – September 30, 2011
Archived
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
April 1, 2011 – June 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2010 – December 31, 2010
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2010 – September 30, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
July 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Vinyl chloride
January 1, 2010 – March 31, 2010
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2009 – December 31, 2009
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2009 – June 30, 2009
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2008 – September 30, 2008
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2006 – December 31, 2006
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2006 – September 30, 2006
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2005 – March 31, 2005
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2004 – December 31, 2004
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2004 – September 30, 2004
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2003 – September 30, 2003
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
April 1, 2003 – June 30, 2003
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2003 – March 31, 2003
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2001 – September 4, 2001
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Vinyl chloride
April 1, 2001 – June 30, 2001
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
January 1, 2001 – March 31, 2001
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2001 – September 4, 2001
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 2000 – December 31, 2000
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Vinyl chloride
October 1, 2000 – December 31, 2000
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Vinyl chloride
July 1, 2000 – September 30, 2000
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2000 – September 4, 2001
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1999 – December 31, 1999
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
July 1, 1998 – September 30, 1998
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1996 – December 31, 1996
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 1995 – June 30, 1995
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1994 – December 31, 1994
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
July 1, 1994 – September 30, 1994
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1994 – December 29, 1995
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
November 17, 1993 – February 16, 1994
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
May 28, 1993 – August 27, 1993
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2025 – May 15, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
November 1, 2024 – November 30, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 17, 2024	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2022 – March 31, 2022	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2021 – September 30, 2021	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2021 – June 30, 2021	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2017 – November 27, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2014 – September 30, 2014	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2014 – August 6, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2014 – March 31, 2014	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
October 1, 2013 – December 31, 2013	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
July 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
July 1, 2013 – August 6, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2013 – June 30, 2013	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
April 1, 2013 – June 30, 2013	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
July 1, 2012 – August 6, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Single Sample	Vinyl chloride	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2012 – December 31, 2012	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Toluene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Benzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Single Sample	Vinyl chloride	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	Vinyl chloride	Health-based	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2005 – March 31, 2005	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
October 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2004 – September 30, 2004	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2003 – September 30, 2003	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
April 1, 2003 – June 30, 2003	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
January 1, 2003 – March 31, 2003	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Archived
July 1, 2001 – September 4, 2001	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 2001 – June 30, 2001	Maximum Contaminant Level Violation, Single Sample	Vinyl chloride	Health-based	Resolved
January 1, 2001 – March 31, 2001	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
January 1, 2001 – September 4, 2001	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2000 – December 31, 2000	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
October 1, 2000 – December 31, 2000	Maximum Contaminant Level Violation, Single Sample	Vinyl chloride	Health-based	Resolved
July 1, 2000 – September 30, 2000	Maximum Contaminant Level Violation, Single Sample	Vinyl chloride	Health-based	Resolved
January 1, 2000 – September 4, 2001	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 1999 – December 31, 1999	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
July 1, 1998 – September 30, 1998	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
October 1, 1996 – December 31, 1996	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
April 1, 1995 – June 30, 1995	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
October 1, 1994 – December 31, 1994	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
July 1, 1994 – September 30, 1994	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
January 1, 1994 – December 29, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
November 17, 1993 – February 16, 1994	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
May 28, 1993 – August 27, 1993	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

December 8, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 8, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 5, 2025State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 11, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 11, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 11, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 11, 2025State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 11, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 1, 2025State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 1, 2025State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 16, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 16, 2025State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 16, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 15, 2025State Compliance achievedgeneral compliance action — not tied to a specific violation on record
February 26, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 26, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 22, 2025State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 30, 2025State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 29, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 29, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 19, 2024State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 19, 2024State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 15, 2024State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 17, 2024State Administrative/Compliance Order with penalty issuedgeneral compliance action — not tied to a specific violation on record
July 23, 2024State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 23, 2024State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 6, 2024State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 6, 2024State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 6, 2024State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 5, 2024State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 5, 2024State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 1, 2024State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
February 29, 2024State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 29, 2024State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 16, 2023State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 19, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 19, 2023State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 13, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 10, 2023State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 10, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 14, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 11, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 11, 2023State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 20, 2023State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 20, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 14, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
February 16, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
February 13, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 13, 2023State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 18, 2022State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 17, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 17, 2022State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 12, 2022State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
September 7, 2022State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 26, 2022State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 23, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 23, 2022State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 29, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 29, 2022State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 18, 2021State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 10, 2021State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 10, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 13, 2021State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 25, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 25, 2021State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 12, 2021State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 12, 2021State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 9, 2021State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 9, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 9, 2021State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 9, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 12, 2020State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 11, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 11, 2020State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 20, 2020State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 19, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 19, 2020State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 13, 2020State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 10, 2020State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 10, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 26, 2020State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 26, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 5, 2019State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 22, 2019State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 22, 2019State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 12, 2019State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 9, 2019State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 9, 2019State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 13, 2019State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 8, 2019State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 8, 2019State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 20, 2019State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 8, 2018State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 8, 2018State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 26, 2018State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 25, 2018State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 25, 2018State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 20, 2018State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 18, 2018State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 18, 2018State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 6, 2018State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 1, 2018State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 1, 2018State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 14, 2017State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 14, 2017State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 14, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 27, 2017State Compliance achievedgeneral compliance action — not tied to a specific violation on record
November 17, 2017State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 28, 2017State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
September 25, 2017State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 25, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 30, 2017State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 27, 2017State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 27, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 29, 2017State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 27, 2017State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 27, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 15, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 15, 2016State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 15, 2016State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 7, 2016State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 4, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 4, 2016State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 27, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 27, 2016State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 25, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 25, 2016State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 7, 2016State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 6, 2015State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 27, 2015State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 22, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 27, 2015State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 16, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 16, 2015State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 14, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 15, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 8, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 15, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 7, 2014State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 31, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 8, 2013State Compliance achieved991 linked violations
July 23, 2010State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 15, 2010State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 4, 2010State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 27, 2010State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 14, 2010State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 30, 2009State Administrative/Compliance Order with penalty issuedgeneral compliance action — not tied to a specific violation on record
December 14, 2009State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 29, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 23, 2009State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 15, 2009State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 24, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 9, 2009State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 24, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 6, 2009State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 24, 2009State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 18, 2008State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 1, 2008State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 28, 2008State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 10, 2008State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 30, 2008State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 23, 2008State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 23, 2008State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 2, 2007State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 23, 2007State Administrative/Compliance Order with penalty issuedgeneral compliance action — not tied to a specific violation on record
July 23, 2007State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 10, 2007State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 18, 2007State Administrative/Compliance Order with penalty issuedgeneral compliance action — not tied to a specific violation on record
August 17, 2006State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 15, 2006State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 5, 2005State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 3, 2005State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 3, 2005State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 11, 2004State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 31, 2002State Administrative/Compliance Order with penalty issuedgeneral compliance action — not tied to a specific violation on record
April 25, 2002State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 25, 2002State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 29, 2001State Administrative/Compliance Order with penalty issuedgeneral compliance action — not tied to a specific violation on record
July 30, 2001State Administrative/Compliance Order with penalty issuedgeneral compliance action — not tied to a specific violation on record
May 3, 2001State Administrative/Compliance Order with penalty issuedgeneral compliance action — not tied to a specific violation on record
December 27, 1999State Administrative/Compliance Order with penalty issuedgeneral compliance action — not tied to a specific violation on record
December 1, 1994State Administrative/Compliance Order without penalty issued5 linked violations
July 28, 1994State Administrative/Compliance Order without penalty issued4 linked violations

Contact

OKARCHE RWD, INC

405-263-4835

OKARCHE, OK 73762