Is PAWNEE CO RWD #4 required to publish a Consumer Confidence Report?

Yes. PAWNEE CO RWD #4 is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is PAWNEE CO RWD #4’s next Consumer Confidence Report due?

PAWNEE CO RWD #4’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

PAWNEE, OK · Pawnee County

PAWNEE CO RWD #4 Water System

Consumer Confidence Report status

PAWNEE CO RWD #4 must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for PAWNEE CO RWD #4.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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): OK3005913
System type: Community Water System
Population served: 415
Service connections: 372
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

PAWNEE CO RWD #4 is one of 1,277 community water systems in Oklahoma in the 500 or fewer people size category, serving 415 people from surface water.

As of August 1, 2026, its federal record holds 21 entries between 1998 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.

Of the 21, 5 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 2 Disinfectants and Disinfection Byproducts Rule, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and the Consumer Confidence Rule.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2022 – September 30, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2022 – June 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2022 – March 31, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2021 – December 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2021 – March 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2021 – March 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2020 – December 31, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2020 – December 31, 2020
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
Total Haloacetic Acids (HAA5)
June 30, 2020 – November 3, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2020 – June 30, 2020
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
Total Haloacetic Acids (HAA5)
March 31, 2020 – November 3, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2020 – March 31, 2020
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2019 – December 31, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2019 – December 31, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2019 – June 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2019 – June 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2018 – September 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2016 – December 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2016 – September 30, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – March 22, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1998 – November 30, 1998
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2022 – March 31, 2022	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2021 – March 31, 2021	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2021 – March 31, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
June 30, 2020 – November 3, 2020	Failure Submit IDSE/Subpart V Plan Rpt	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
March 31, 2020 – November 3, 2020	Failure Submit IDSE/Subpart V Plan Rpt	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2019 – December 31, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2008 – March 22, 2011	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 1998 – November 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is PAWNEE CO RWD #4 required to publish a Consumer Confidence Report?: Yes. PAWNEE CO RWD #4 is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is PAWNEE CO RWD #4’s next Consumer Confidence Report due?: PAWNEE CO RWD #4’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does PAWNEE CO RWD #4 have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for PAWNEE CO RWD #4.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

PAWNEE CO RWD #4

918-767-2441

PAWNEE, OK 74058