Is MAYES CO RWD # 5 required to publish a Consumer Confidence Report?

Yes. MAYES CO RWD # 5 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 MAYES CO RWD # 5’s next Consumer Confidence Report due?

MAYES CO RWD # 5’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.

ADAIR, OK · Mayes County

MAYES CO RWD # 5 Water System

Consumer Confidence Report status

MAYES CO RWD # 5 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 MAYES CO RWD # 5.

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): OK3004616
System type: Community Water System
Population served: 3,360
Service connections: 1,749
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

MAYES CO RWD # 5 is one of 106 community water systems in Oklahoma in the 3,301 to 10,000 people size category, serving 3,360 people from surface water.

As of August 1, 2026, its federal record holds 3 entries between 1991 and 2025, all of which EPA lists as closed.

Of the 3, 2 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 Lead and Copper Rule, and the Total Coliform Rules.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2025 – September 30, 2025
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2017 – March 21, 2018
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1991 – September 30, 1991
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
October 1, 2017 – March 21, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 1, 1991 – September 30, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved

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

Enforcement actions

October 15, 2025State Public Notification received1 linked violation
October 2, 2025State Public Notification requested1 linked violation
October 2, 2025State Administrative/Compliance Order without penalty issued1 linked violation
October 23, 2019State Public Notification received1 linked violation
March 21, 2018State Compliance achieved1 linked violation
November 13, 2017State Public Notification requested1 linked violation
November 13, 2017State Violation/Reminder Notice1 linked violation
August 4, 2016State Compliance achieved12 linked violations
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 achieved3 linked violations
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 achievedgeneral compliance action — not tied to a specific violation on record
September 18, 1992State Boil Water Order3 linked violations
September 18, 1992State Administrative/Compliance Order without penalty issued3 linked violations

Common questions

Is MAYES CO RWD # 5 required to publish a Consumer Confidence Report?: Yes. MAYES CO RWD # 5 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 MAYES CO RWD # 5’s next Consumer Confidence Report due?: MAYES CO RWD # 5’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MAYES CO RWD # 5 have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for MAYES CO RWD # 5.
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

MAYES CO RWD # 5

918-785-2330

ADAIR, OK 74330