WASHINGTON, OK · McClain County

WASHINGTON 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): OK2004703
System type: Community Water System
Population served: 600
Service connections: 330
Ownership: local government
Water source: groundwater (wells)

Violation history

LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – July 15, 2025
Resolved
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – July 15, 2025
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Diquat
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Diquat
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Picloram
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Picloram
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
2,4-D
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2021 – March 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2020 – June 30, 2020
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2019 – August 11, 2020
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2014 – December 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
September 2, 1993 – December 1, 1993
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
June 1, 1993 – June 16, 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
October 17, 2024 – July 15, 2025	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Resolved
October 17, 2024 – July 15, 2025	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Diquat	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Diquat	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Picloram	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Picloram	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Atrazine	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	2,4,5-TP	—	Resolved
March 1, 2021 – March 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2020 – June 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2019 – August 11, 2020	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Arsenic	—	Resolved
September 2, 1993 – December 1, 1993	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
June 1, 1993 – June 16, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved

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

Enforcement actions

July 15, 2025State Compliance achieved23 linked violations
May 15, 2025State Compliance achieved7 linked violations
May 2, 2025State Compliance achieved7 linked violations
May 2, 2025State Compliance achieved46 linked violations
May 2, 2025State Compliance achieved13 linked violations
May 2, 2025State Compliance achieved2 linked violations
March 6, 2025State Violation/Reminder Notice35 linked violations
June 4, 2021State Compliance achieved17 linked violations
September 28, 2020State Compliance achieved32 linked violations
April 20, 2017State Violation/Reminder Notice32 linked violations
August 4, 2016State Compliance achieved72 linked violations

Contact

WASHINGTON

405-288-2578

WASHINGTON, OK 73093