Is PITTSBURG CO. RWD #11 (KIOWA) required to publish a Consumer Confidence Report?

Yes. PITTSBURG CO. RWD #11 (KIOWA) 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 PITTSBURG CO. RWD #11 (KIOWA)’s next Consumer Confidence Report due?

PITTSBURG CO. RWD #11 (KIOWA)’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.

MCALESTER, OK · Pittsburg County

PITTSBURG CO. RWD #11 (KIOWA) Water System

Consumer Confidence Report status

PITTSBURG CO. RWD #11 (KIOWA) 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 PITTSBURG CO. RWD #11 (KIOWA).

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): OK3006105
System type: Community Water System
Population served: 790
Service connections: 410
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

PITTSBURG CO. RWD #11 (KIOWA) is one of 511 community water systems in Oklahoma in the 501 to 3,300 people size category, serving 790 people from surface water.

As of August 1, 2026, its federal record holds 19 entries between 1998 and 2024, all of which EPA lists as closed.

Of the 19, 8 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 Total Coliform Rules, and the Lead and Copper Rule.

Violation history

LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – February 5, 2026
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2023 – June 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2023 – June 30, 2023
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
December 30, 2022 – July 25, 2023
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
April 1, 2022 – August 25, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2022 – March 31, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2017 – June 30, 2017
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
April 1, 2017 – July 24, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2016 – June 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2015 – June 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2015 – March 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 2010 – August 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2003 – May 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1999 – September 30, 1999
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1998 – October 31, 1998
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 – February 5, 2026	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Resolved
June 1, 2023 – June 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2023 – June 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 30, 2022 – July 25, 2023	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
April 1, 2022 – August 25, 2022	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
January 1, 2022 – March 31, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2017 – July 24, 2017	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
August 1, 2010 – August 31, 2010	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2003 – May 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1999 – September 30, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1998 – October 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved

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

Enforcement actions

May 12, 2017State Public Notification requested95 linked violations
May 8, 2014State Compliance achieved1 linked violation
May 8, 2014State Compliance achieved1 linked violation

Common questions

Is PITTSBURG CO. RWD #11 (KIOWA) required to publish a Consumer Confidence Report?: Yes. PITTSBURG CO. RWD #11 (KIOWA) 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 PITTSBURG CO. RWD #11 (KIOWA)’s next Consumer Confidence Report due?: PITTSBURG CO. RWD #11 (KIOWA)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does PITTSBURG CO. RWD #11 (KIOWA) have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for PITTSBURG CO. RWD #11 (KIOWA).
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

PITTSBURG CO. RWD #11 (KIOWA)

918-429-1440

MCALESTER, OK 74501