WELCH, OK · Craig County

WELCH PWA 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): OK2001801
System type: Community Water System
Population served: 800
Service connections: 406
Ownership: local government
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2025 – September 18, 2025
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Simazine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Endothall
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2024 – September 30, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2024 – September 30, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2024 – June 30, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2022 – June 30, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2019 – September 30, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2018 – December 31, 2018
Archived
Monitoring, Regular
—
Combined Uranium
July 1, 2018 – September 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2018 – June 30, 2018
Archived
Monitoring, Regular
—
Gross Beta Particle Activity
January 1, 2018 – March 31, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – December 20, 2017
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2017 – March 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2016 – June 30, 2016
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2015 – December 31, 2015
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2015 – September 30, 2015
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2015 – June 30, 2015
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2014 – September 30, 2014
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2014 – June 30, 2014
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2013 – December 31, 2013
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2013 – March 31, 2013
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2012 – September 30, 2012
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2012 – March 31, 2012
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2011 – June 30, 2011
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1996 – December 31, 2001
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1996 – December 31, 2001
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1996 – December 31, 2001
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1996 – December 31, 2001
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1996 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1993 – July 31, 1993
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
June 1, 1993 – June 30, 1993
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
December 1, 1988 – November 30, 1992
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – September 18, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Simazine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endothall	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
July 1, 2018 – September 30, 2018	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
January 1, 2018 – March 31, 2018	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
July 1, 2017 – December 20, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2017 – March 31, 2017	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
October 1, 2013 – December 31, 2013	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
September 1, 2009 – September 30, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 2001	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1996 – December 31, 2001	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 2001	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1996 – December 31, 2001	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1996 – December 31, 2001	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 1993 – July 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 1993 – June 30, 1993	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 1988 – November 30, 1992	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived

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

Enforcement actions

December 26, 2025State Compliance achieved1 linked violation
December 26, 2025State Public Notification received1 linked violation
December 26, 2025State Public Notification received2 linked violations
September 18, 2025State Compliance achieved1 linked violation
September 18, 2025State Compliance achieved1 linked violation
August 13, 2025State Violation/Reminder Notice1 linked violation
August 13, 2025State Public Notification requested1 linked violation
August 1, 2025State Compliance achieved1 linked violation
August 1, 2025State Compliance achieved1 linked violation
August 1, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved2 linked violations
June 26, 2025State Compliance achieved3 linked violations
June 26, 2025State Compliance achieved3 linked violations
June 26, 2025State Compliance achieved4 linked violations
June 26, 2025State Compliance achieved2 linked violations
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
June 26, 2025State Compliance achieved1 linked violation
March 6, 2025State Violation/Reminder Notice2 linked violations
February 28, 2025State Public Notification received27 linked violations
November 22, 2024State Public Notification requested27 linked violations
September 20, 2024State Public Notification requested2 linked violations
July 17, 2024State Public Notification requested3 linked violations
July 17, 2024State Violation/Reminder Notice3 linked violations
June 19, 2024State Administrative/Compliance Order without penalty issued3 linked violations
April 25, 2024State Public Notification received3 linked violations
April 11, 2024State Administrative/Compliance Order without penalty issued3 linked violations
January 6, 2024State Public Notification received2 linked violations
January 4, 2024State Public Notification requested2 linked violations
October 25, 2023State Public Notification received2 linked violations
October 25, 2023State Public Notification received2 linked violations
October 5, 2023State Violation/Reminder Notice2 linked violations
July 12, 2023State Violation/Reminder Notice2 linked violations
April 25, 2023State Violation/Reminder Notice2 linked violations
March 22, 2023State Public Notification requested3 linked violations
March 22, 2023State Violation/Reminder Notice3 linked violations
January 17, 2023State Compliance achieved2 linked violations
January 6, 2023State Violation/Reminder Notice1 linked violation
August 24, 2022State Violation/Reminder Notice1 linked violation
April 28, 2022State Public Notification requested1 linked violation
March 18, 2022State Public Notification received2 linked violations
February 18, 2022State Public Notification requested2 linked violations
March 22, 2021State Violation/Reminder Notice2 linked violations
March 22, 2021State Public Notification requested1 linked violation
September 10, 2020State Public Notification requested3 linked violations
March 6, 2020State Public Notification requested4 linked violations
March 6, 2020State Violation/Reminder Notice5 linked violations
October 7, 2019State Public Notification received2 linked violations
October 7, 2019State Public Notification received2 linked violations
October 7, 2019State Public Notification received2 linked violations
October 7, 2019State Public Notification received2 linked violations
October 7, 2019State Public Notification received2 linked violations
July 2, 2019State Public Notification requested2 linked violations
July 2, 2019State Violation/Reminder Notice2 linked violations
April 29, 2019State Public Notification requested2 linked violations
December 28, 2018State Public Notification received3 linked violations
December 26, 2018State Violation/Reminder Notice2 linked violations
November 30, 2018State Public Notification requested3 linked violations
November 15, 2018State Public Notification requested6 linked violations
November 15, 2018State Violation/Reminder Notice4 linked violations
June 14, 2018State Public Notification requested6 linked violations
March 21, 2018State Compliance achieved1 linked violation
January 18, 2018State Public Notification received2 linked violations
January 18, 2018State Public Notification received4 linked violations
January 10, 2018State Violation/Reminder Notice1 linked violation
January 10, 2018State Public Notification requested1 linked violation
December 20, 2017State Compliance achieved1 linked violation
November 17, 2017State Violation/Reminder Notice1 linked violation
November 3, 2017State Compliance achieved12 linked violations
August 18, 2017State Violation/Reminder Notice4 linked violations
August 18, 2017State Public Notification requested4 linked violations
July 17, 2017State Violation/Reminder Notice4 linked violations
July 17, 2017State Public Notification requested4 linked violations
May 31, 2017State Violation/Reminder Notice1 linked violation
May 31, 2017State Public Notification requested1 linked violation
March 23, 2017State Public Notification received1 linked violation
March 23, 2017State Public Notification received1 linked violation
March 6, 2017State Violation/Reminder Notice1 linked violation
March 6, 2017State Public Notification requested1 linked violation
January 12, 2017State Public Notification received4 linked violations
January 12, 2017State Public Notification received2 linked violations
December 15, 2016State Public Notification requested1 linked violation
December 15, 2016State Violation/Reminder Notice1 linked violation
September 15, 2016State Public Notification requested4 linked violations
September 15, 2016State Violation/Reminder Notice4 linked violations
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 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
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
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 achieved1 linked violation
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
June 28, 2016State Public Notification requested2 linked violations
June 28, 2016State Violation/Reminder Notice2 linked violations
April 1, 2016State Public Notification received4 linked violations
February 29, 2016State Public Notification requested4 linked violations
February 29, 2016State Violation/Reminder Notice5 linked violations
September 18, 2015State Public Notification received3 linked violations
August 24, 2015State Public Notification requested3 linked violations
August 24, 2015State Violation/Reminder Notice3 linked violations
March 2, 2015State Public Notification received4 linked violations
June 25, 2014State Violation/Reminder Notice15 linked violations
June 25, 2014State Public Notification requested15 linked violations
June 25, 2013State Administrative/Compliance Order with penalty issued60 linked violations
August 4, 2010State Public Notification received2 linked violations
February 16, 2010State Administrative/Compliance Order with penalty issued2 linked violations
February 16, 2010State Public Notification requested2 linked violations
January 27, 2010State Violation/Reminder Notice3 linked violations
December 14, 2009State Public Notification requested1 linked violation
June 1, 2008State Compliance achieved1 linked violation
March 27, 2002State Compliance achieved20 linked violations
February 4, 2002State Administrative/Compliance Order with penalty issued20 linked violations
August 27, 1991State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
February 28, 1991State Boil Water Order1 linked violation
April 20, 1990State Consent Decree/Judgement1 linked violation

Contact

WELCH PWA

918-788-3616

WELCH, OK 74369