Is MCCLAIN CO RWD # 8 required to publish a Consumer Confidence Report?

Yes. MCCLAIN CO RWD # 8 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 MCCLAIN CO RWD # 8’s next Consumer Confidence Report due?

MCCLAIN CO RWD # 8’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.

WAYNE, OK · McClain County

MCCLAIN CO RWD # 8 Water System

Consumer Confidence Report status

MCCLAIN CO RWD # 8 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 1 item for MCCLAIN CO RWD # 8 that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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): OK2004711
System type: Community Water System
Population served: 1,897
Service connections: 815
Ownership: local government
Water source: groundwater (wells)

MCCLAIN CO RWD # 8 is one of 511 community water systems in Oklahoma in the 501 to 3,300 people size category, serving 1,897 people from groundwater.

As of August 1, 2026, its federal record holds 55 entries between 2005 and 2026, of which 1 remains open; none are health-based.

Of the 55, 53 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 volatile organic chemicals, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and synthetic organic chemicals.

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2026
Unaddressed
Monitoring and Reporting (DBP)
—
Chlorine
November 1, 2025 – November 30, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2025 – November 30, 2025
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2024 – September 6, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2023 – December 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2023 – October 31, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2023 – August 15, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2023 – June 30, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2023 – May 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2023 – June 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2023 – June 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Bromate
April 1, 2023 – June 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Bromate
January 1, 2023 – March 31, 2023
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 29, 2021 – December 20, 2021
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Simazine
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Endothall
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Diquat
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Chlordane
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Styrene
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
Benzene
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
Toluene
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2011 – March 31, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 2011 – January 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
July 1, 2010 – July 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Bromate
April 1, 2009 – June 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
Bromate
January 1, 2009 – March 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Bromate
July 1, 2008 – September 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Bromate
July 1, 2008 – September 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Bromate
April 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Bromate
April 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Bromate
April 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Bromate
January 1, 2006 – March 31, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2005 – November 30, 2005
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2026	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
November 1, 2025 – November 30, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
November 1, 2025 – November 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2024 – September 6, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2023 – October 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2023 – August 15, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 1, 2023 – June 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
May 1, 2023 – May 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2023 – June 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2023 – June 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2023 – June 30, 2023	Monitoring and Reporting (DBP)	Bromate	—	Resolved
January 1, 2023 – March 31, 2023	Monitoring and Reporting (DBP)	Bromate	—	Resolved
September 29, 2021 – December 20, 2021	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Simazine	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Endothall	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Diquat	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	Styrene	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	Benzene	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	Toluene	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Regular	Ethylbenzene	—	Resolved
March 1, 2011 – March 31, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2011 – January 31, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2010 – July 31, 2010	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	Bromate	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring and Reporting (DBP)	Bromate	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring and Reporting (DBP)	Bromate	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring and Reporting (DBP)	Bromate	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Bromate	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Bromate	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Bromate	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	Bromate	—	Resolved
November 1, 2005 – November 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

July 21, 2023State Violation/Reminder Notice143 linked violations
November 21, 2019State Violation/Reminder Notice170 linked violations
October 20, 2016State Compliance achieved100 linked violations
August 24, 2010Federal Compliance achieved1 linked violation
February 5, 2007State Violation/Reminder Notice582 linked violations
October 15, 1993State Consent Decree/Judgement4 linked violations

Common questions

Is MCCLAIN CO RWD # 8 required to publish a Consumer Confidence Report?: Yes. MCCLAIN CO RWD # 8 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 MCCLAIN CO RWD # 8’s next Consumer Confidence Report due?: MCCLAIN CO RWD # 8’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MCCLAIN CO RWD # 8 have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for MCCLAIN CO RWD # 8 that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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

MCCLAIN CO RWD # 8

405-449-7700

WAYNE, OK 73095