STILLWATER, OK · Payne County

STILLWATER UTILITIES AUTHORITY 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): OK1021220
System type: Community Water System
Population served: 53,000
Service connections: 17,348
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2022 – December 31, 2022
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2022 – September 30, 2022
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2021 – December 31, 2021
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
October 1, 2018 – October 31, 2018
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
September 1, 2018 – September 30, 2018
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2017 – May 31, 2017
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2017 – April 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
Bromate
January 1, 2017 – March 31, 2017
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2017 – March 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2016 – September 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2002 – March 31, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1999 – June 30, 1999
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 1998 – July 31, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1993 – August 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1992 – July 31, 1992
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1991 – July 31, 1991
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 1, 2022 – December 31, 2022	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 2022 – September 30, 2022	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
October 1, 2021 – December 31, 2021	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
October 1, 2018 – October 31, 2018	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
September 1, 2018 – September 30, 2018	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
May 1, 2017 – May 31, 2017	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2017 – April 30, 2017	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2017 – March 31, 2017	Monitoring and Reporting (DBP)	Bromate	—	Resolved
January 1, 2017 – March 31, 2017	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 2016 – September 30, 2016	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
June 1, 1999 – June 30, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
July 1, 1998 – July 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 1993 – September 30, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 1993 – August 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1992 – July 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1991 – July 31, 1991	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

June 27, 2025State Public Notification received1 linked violation
March 6, 2025State Violation/Reminder Notice5 linked violations
February 9, 2024State Public Notification received9 linked violations
November 15, 2023State Compliance achieved5 linked violations
October 24, 2023State Administrative/Compliance Order without penalty issued3 linked violations
October 24, 2023State Public Notification requested4 linked violations
September 20, 2023State Compliance achieved3 linked violations
July 12, 2023State Public Notification requested3 linked violations
March 28, 2023State Public Notification received2 linked violations
February 9, 2023State Administrative/Compliance Order without penalty issued4 linked violations
February 9, 2023State Public Notification requested4 linked violations
August 2, 2022State Public Notification received3 linked violations
June 8, 2022State Compliance achieved3 linked violations
June 8, 2022State Violation/Reminder Notice3 linked violations
July 10, 2020State Compliance achieved4 linked violations
July 10, 2020State Violation/Reminder Notice6 linked violations
June 6, 2018State Public Notification requested7 linked violations
June 6, 2018State Compliance achieved3 linked violations
June 6, 2018State Violation/Reminder Notice7 linked violations
July 17, 2017State Public Notification requested1 linked violation
July 17, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 17, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 17, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 17, 2017State Public Notification requested1 linked violation
July 17, 2017State Violation/Reminder Notice1 linked violation
July 17, 2017State Violation/Reminder Notice1 linked violation
April 20, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
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 requested1 linked violation
April 20, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 20, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 20, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 20, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 20, 2017State Violation/Reminder Notice1 linked violation
April 20, 2017State Public Notification requested1 linked violation
April 20, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 26, 2016State Compliance achieved1 linked violation
July 26, 2016State Compliance achieved1 linked violation
July 26, 2016State Compliance achieved1 linked violation
July 26, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 26, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 26, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 26, 2016State Compliance achieved1 linked violation
July 26, 2016State Compliance achieved1 linked violation
July 26, 2016State Compliance achieved1 linked violation
July 26, 2016State Compliance achieved1 linked violation
July 26, 2016State Compliance achieved1 linked violation
July 26, 2016State Compliance achieved1 linked violation
July 26, 2016State Compliance achieved1 linked violation
December 31, 2011State Compliance achieved1 linked violation
March 16, 2011State Public Notification received1 linked violation
February 24, 2011State Public Notification requested1 linked violation
February 24, 2011State Violation/Reminder Notice1 linked violation
August 24, 2007State Compliance achieved5 linked violations
July 20, 2006State Administrative/Compliance Order with penalty issued2 linked violations
May 15, 2006State Public Notification received4 linked violations
May 15, 2006State Public Notification received3 linked violations
May 15, 2006State Public Notification received3 linked violations
May 10, 2006State Public Notification received2 linked violations
April 11, 2006State Administrative/Compliance Order with penalty issued5 linked violations
April 11, 2006State Public Notification requested5 linked violations
November 16, 2005State Violation/Reminder Notice2 linked violations
November 16, 2005State Public Notification requested2 linked violations
August 27, 1991State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record

Contact

STILLWATER WATER PLANT

405-533-8452

STILLWATER, OK 74076-1449