WILLOW, OK · Greer County

WILLOW Water System

Current status

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

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

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

System facts

System ID (PWSID): OK2002801
System type: Community Water System
Population served: 114
Service connections: 113
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate-Nitrite
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Chlordane
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
2,4,5-TP
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
2,4-D
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Heptachlor epoxide
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Heptachlor
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Dinoseb
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Picloram
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Glyphosate
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Endothall
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Diquat
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Dalapon
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
Endrin
April 1, 2025 – June 30, 2025
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2025 – January 31, 2025
Resolved
Monitoring, Regular
—
LASSO
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Glyphosate
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
OXAMYL
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Picloram
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Dinoseb
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Carbofuran
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Heptachlor
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Pentachlorophenol
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Chlordane
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Endrin
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Toxaphene
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Endothall
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Glyphosate
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
OXAMYL
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Simazine
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Carbofuran
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Atrazine
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
LASSO
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
2,4-D
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Chlordane
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Endrin
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Toxaphene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dalapon
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Glyphosate
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dinoseb
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Chlordane
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Endothall
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Endrin
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
BHC-GAMMA
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Glyphosate
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
OXAMYL
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
2,4,5-TP
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Methoxychlor
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Toxaphene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Diquat
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Endothall
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Glyphosate
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Simazine
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Chlordane
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Nitrate-Nitrite
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Endrin
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
October 1, 2023 – December 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2023 – January 31, 2023
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2022 – March 31, 2022
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
July 1, 2021 – September 30, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – November 20, 2017
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2016 – December 31, 2016
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
January 1, 2015 – December 31, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – February 24, 2016
Resolved
Monitoring, Regular
—
Gross Beta Particle Activity
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2013 – August 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2012 – April 30, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2010 – July 31, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2010 – May 31, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2010 – April 30, 2010
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2010 – October 22, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2009 – October 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2009 – August 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2006 – April 30, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2006 – January 31, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2005 – May 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 1997 – June 30, 1997
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1995 – August 31, 1995
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 1995 – June 30, 1995
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1994 – May 31, 1994
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2025 – June 30, 2025	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Chlordane	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	2,4,5-TP	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	2,4-D	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Heptachlor epoxide	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Heptachlor	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Dinoseb	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Picloram	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Glyphosate	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Endothall	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Diquat	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Dalapon	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Endrin	—	Resolved
January 1, 2025 – January 31, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	LASSO	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Glyphosate	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	OXAMYL	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Picloram	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Dinoseb	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Carbofuran	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Heptachlor	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Pentachlorophenol	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Chlordane	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Endrin	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Toxaphene	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Endothall	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Glyphosate	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	OXAMYL	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Simazine	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Carbofuran	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Atrazine	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	LASSO	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	2,4-D	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Chlordane	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Endrin	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Toxaphene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Dalapon	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Glyphosate	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Dinoseb	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	BHC-GAMMA	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endothall	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Carbofuran	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endrin	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	BHC-GAMMA	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Glyphosate	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	OXAMYL	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	2,4,5-TP	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Methoxychlor	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Toxaphene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Diquat	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endothall	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Glyphosate	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Simazine	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Chlordane	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endrin	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Dalapon	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2023 – January 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2022 – March 31, 2022	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 2017 – November 20, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Resolved
January 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Resolved
July 1, 2014 – February 24, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Combined Uranium	—	Resolved
August 1, 2013 – August 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2012 – April 30, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2010 – July 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2010 – May 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2010 – April 30, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2010 – October 22, 2010	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2009 – October 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2009 – August 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2006 – April 30, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – January 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2005 – May 31, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 1997 – June 30, 1997	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
August 1, 1995 – August 31, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 1995 – June 30, 1995	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
May 1, 1994 – May 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

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

Enforcement actions

November 24, 2025State Compliance achieved29 linked violations
October 8, 2025State Compliance achieved1 linked violation
August 13, 2025State Violation/Reminder Notice30 linked violations
August 13, 2025State Public Notification requested30 linked violations
May 16, 2025State Compliance achieved29 linked violations
May 16, 2025State Compliance achieved29 linked violations
May 16, 2025State Compliance achieved1 linked violation
May 15, 2025State Public Notification received87 linked violations
May 15, 2025State Public Notification received90 linked violations
April 9, 2025State Public Notification requested3 linked violations
April 9, 2025State Public Notification requested3 linked violations
April 9, 2025State Violation/Reminder Notice3 linked violations
April 9, 2025State Violation/Reminder Notice3 linked violations
March 6, 2025State Public Notification requested87 linked violations
March 6, 2025State Violation/Reminder Notice87 linked violations
January 29, 2025State Compliance achieved1 linked violation
January 29, 2025State Compliance achieved1 linked violation
December 23, 2024State Compliance achieved1 linked violation
November 22, 2024State Public Notification requested90 linked violations
November 22, 2024State Violation/Reminder Notice90 linked violations
May 13, 2024State Public Notification received3 linked violations
May 13, 2024State Public Notification received1 linked violation
May 13, 2024State Public Notification received1 linked violation
May 13, 2024State Public Notification received1 linked violation
March 28, 2024State Compliance achieved1 linked violation
March 28, 2024State Compliance achieved1 linked violation
March 28, 2024State Compliance achieved1 linked violation
February 28, 2024State Public Notification requested3 linked violations
February 28, 2024State Violation/Reminder Notice3 linked violations
January 12, 2024State Compliance achieved1 linked violation
January 12, 2024State Compliance achieved1 linked violation
December 15, 2023State Violation/Reminder Notice1 linked violation
December 15, 2023State Public Notification requested1 linked violation
December 15, 2023State Violation/Reminder Notice1 linked violation
December 15, 2023State Public Notification requested1 linked violation
October 16, 2023State Compliance achieved1 linked violation
August 30, 2023State Public Notification requested1 linked violation
August 30, 2023State Violation/Reminder Notice1 linked violation
July 3, 2023State Public Notification received1 linked violation
July 3, 2023State Public Notification received1 linked violation
July 3, 2023State Public Notification received1 linked violation
July 3, 2023State Public Notification received2 linked violations
June 7, 2023State Compliance achieved1 linked violation
June 7, 2023State Compliance achieved1 linked violation
June 2, 2023State Compliance achieved1 linked violation
April 4, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 4, 2023State Public Notification requested1 linked violation
April 4, 2023State Violation/Reminder Notice1 linked violation
April 4, 2023State Public Notification requested1 linked violation
April 4, 2023State Violation/Reminder Notice1 linked violation
April 4, 2023State Public Notification received1 linked violation
April 4, 2023State Public Notification received1 linked violation
April 4, 2023State Public Notification received1 linked violation
April 4, 2023State Public Notification received1 linked violation
April 4, 2023State Public Notification received1 linked violation
April 4, 2023State Public Notification received1 linked violation
April 4, 2023State Public Notification received1 linked violation
April 4, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 4, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 4, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 4, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 4, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 4, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 14, 2023State Public Notification requested1 linked violation
March 14, 2023State Violation/Reminder Notice1 linked violation
February 8, 2023State Compliance achieved1 linked violation
August 2, 2022State Compliance achieved7 linked violations
May 25, 2022State Public Notification requested2 linked violations
May 25, 2022State Violation/Reminder Notice2 linked violations
March 1, 2022State Public Notification requested2 linked violations
March 1, 2022State Violation/Reminder Notice2 linked violations
November 24, 2021State Compliance achieved1 linked violation
November 18, 2021State Violation/Reminder Notice1 linked violation
November 18, 2021State Public Notification requested1 linked violation
November 18, 2021State Public Notification requested1 linked violation
November 18, 2021State Violation/Reminder Notice1 linked violation
November 18, 2021State Public Notification requested1 linked violation
November 18, 2021State Violation/Reminder Notice1 linked violation
November 18, 2021State Public Notification requested1 linked violation
November 18, 2021State Violation/Reminder Notice1 linked violation
November 18, 2021State Public Notification requested1 linked violation
November 18, 2021State Violation/Reminder Notice1 linked violation
June 14, 2018State Public Notification requested1 linked violation
June 14, 2018State Violation/Reminder Notice1 linked violation
April 23, 2018State Compliance achieved1 linked violation
December 4, 2017State Compliance achieved1 linked violation
December 4, 2017State Compliance achieved1 linked violation
November 20, 2017State Compliance achieved1 linked violation
November 17, 2017State Violation/Reminder Notice1 linked violation
May 24, 2017State Compliance achieved4 linked violations
May 10, 2017State Compliance achieved1 linked violation
May 10, 2017State Compliance achieved1 linked violation
April 20, 2017State Violation/Reminder Notice4 linked violations
April 20, 2017State Public Notification requested1 linked violation
April 20, 2017State Violation/Reminder Notice1 linked violation
April 20, 2017State Public Notification requested1 linked violation
April 20, 2017State Violation/Reminder Notice1 linked violation
April 20, 2017State Public Notification requested4 linked violations
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
February 24, 2016State Compliance achieved1 linked violation
December 2, 2015State Public Notification received1 linked violation
December 1, 2015State Administrative/Compliance Order with penalty issued1 linked violation
December 1, 2015State Public Notification requested1 linked violation
October 5, 2015State Public Notification received1 linked violation
September 29, 2015State Administrative/Compliance Order with penalty issued1 linked violation
September 29, 2015State Public Notification requested1 linked violation
January 14, 2015State Violation/Reminder Notice1 linked violation
November 27, 2013State Public Notification received1 linked violation
August 31, 2013State Compliance achieved1 linked violation
August 9, 2010State Public Notification requested1 linked violation
August 9, 2010State Violation/Reminder Notice1 linked violation
April 30, 2010State Compliance achieved1 linked violation
April 8, 2010State Public Notification requested1 linked violation
April 8, 2010State Public Notification requested1 linked violation
April 8, 2010State Violation/Reminder Notice1 linked violation
April 8, 2010State Violation/Reminder Notice1 linked violation
February 11, 2010State Compliance achieved2 linked violations
January 27, 2010State Violation/Reminder Notice1 linked violation
January 27, 2010State Public Notification requested1 linked violation
December 14, 2009State Public Notification requested1 linked violation
December 14, 2009State Violation/Reminder Notice1 linked violation
December 14, 2009State Public Notification requested1 linked violation
December 14, 2009State Violation/Reminder Notice1 linked violation
December 14, 2009State Public Notification requested1 linked violation
December 14, 2009State Violation/Reminder Notice1 linked violation
November 23, 2009State Public Notification requested1 linked violation
November 23, 2009State Violation/Reminder Notice1 linked violation
April 27, 2009State Violation/Reminder Notice1 linked violation
April 27, 2009State Public Notification requested1 linked violation
April 7, 2009State Compliance achieved1 linked violation
October 18, 2007State Compliance achieved3 linked violations
October 2, 2007State Public Notification received2 linked violations
July 27, 2007State Public Notification requested2 linked violations
July 27, 2007State Administrative/Compliance Order with penalty issued2 linked violations
June 27, 2007State Public Notification received2 linked violations
June 22, 2007State Compliance achieved1 linked violation
March 15, 2007State Public Notification requested1 linked violation
March 15, 2007State Violation/Reminder Notice1 linked violation
February 6, 2007State Violation/Reminder Notice1 linked violation
February 6, 2007State Violation/Reminder Notice1 linked violation
February 5, 2007State Public Notification requested1 linked violation
February 5, 2007State Violation/Reminder Notice1 linked violation
December 27, 2006State Public Notification requested2 linked violations
July 19, 2006State Public Notification received1 linked violation
July 19, 2006State Public Notification received1 linked violation
July 10, 2006State Public Notification requested1 linked violation
July 10, 2006State Boil Water Order1 linked violation
July 10, 2006State Public Notification requested1 linked violation
July 10, 2006State Boil Water Order1 linked violation
June 5, 2006State Compliance achieved1 linked violation
June 5, 2006State Public Notification received1 linked violation
May 25, 2006State Public Notification requested1 linked violation
May 25, 2006State Violation/Reminder Notice1 linked violation
May 17, 2006State Compliance achieved1 linked violation
May 17, 2006State Public Notification received6 linked violations
May 17, 2006State Compliance achieved1 linked violation
May 17, 2006State Compliance achieved1 linked violation
February 22, 2006State Compliance achieved1 linked violation
February 22, 2006State Compliance achieved1 linked violation
February 16, 2006State Violation/Reminder Notice1 linked violation
February 16, 2006State Public Notification requested1 linked violation
January 17, 2006State Violation/Reminder Notice1 linked violation
January 17, 2006State Public Notification requested1 linked violation
December 19, 2005State Public Notification requested1 linked violation
December 6, 2005State Public Notification received1 linked violation
December 6, 2005State Compliance achieved1 linked violation
November 16, 2005State Violation/Reminder Notice1 linked violation
November 16, 2005State Public Notification requested1 linked violation
October 20, 2005State Public Notification requested3 linked violations
October 20, 2005State Violation/Reminder Notice3 linked violations
August 15, 2005State Violation/Reminder Notice1 linked violation
August 15, 2005State Public Notification requested1 linked violation
June 15, 2005State Violation/Reminder Notice1 linked violation
June 15, 2005State Public Notification requested1 linked violation
November 20, 2003State Violation/Reminder Notice1 linked violation
November 20, 2003State Public Notification requested1 linked violation
November 4, 2003State Compliance achieved1 linked violation
November 4, 2003State Compliance achieved1 linked violation
November 4, 2003State Public Notification received2 linked violations
October 22, 2003State Violation/Reminder Notice1 linked violation
October 22, 2003State Public Notification requested2 linked violations
October 22, 2003State Violation/Reminder Notice1 linked violation
October 22, 2003State Public Notification requested1 linked violation
October 21, 2003State Compliance achieved1 linked violation
October 21, 2003State Public Notification received1 linked violation
October 6, 2003State Public Notification requested1 linked violation
October 6, 2003State Violation/Reminder Notice1 linked violation
April 15, 1998State Compliance achieved4 linked violations
January 4, 1996State Administrative/Compliance Order without penalty issued7 linked violations
October 20, 1995State Compliance achieved3 linked violations
September 15, 1995State Administrative/Compliance Order without penalty issued2 linked violations
August 22, 1994State Compliance achieved2 linked violations

Contact

WILLOW

580-287-3398

WILLOW, OK 73673-0055