Is LANGLEY required to publish a Consumer Confidence Report?

Yes. LANGLEY 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 LANGLEY’s next Consumer Confidence Report due?

LANGLEY’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.

LANGLEY, OK · Mayes County

LANGLEY Water System

Consumer Confidence Report status

LANGLEY 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 LANGLEY.

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): OK1021604
System type: Community Water System
Population served: 950
Service connections: 622
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

LANGLEY is one of 511 community water systems in Oklahoma in the 501 to 3,300 people size category, serving 950 people from surface water.

As of August 1, 2026, its federal record holds 7 entries between 1999 and 2025, all of which EPA lists as closed.

Of the 7, 1 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 and the Surface Water Treatment Rules.

Violation history

Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2025 – June 30, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2020 – December 31, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2020 – September 30, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2020 – March 31, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2018 – July 31, 2018
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1999 – August 31, 1999
Archived

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
June 1, 2025 – June 30, 2025	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2020 – September 30, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2018 – July 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 1999 – August 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived

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

Enforcement actions

August 7, 2025State Administrative/Compliance Order without penalty issued2 linked violations
April 4, 2023State Public Notification received1 linked violation
November 24, 2021State Public Notification received14 linked violations
October 20, 2021State Public Notification requested5 linked violations
November 20, 2020State Administrative/Compliance Order without penalty issued15 linked violations
May 8, 2020State Public Notification requested4 linked violations
October 29, 2019State Public Notification received5 linked violations
July 26, 2016State Compliance achieved106 linked violations
July 26, 2016State Compliance achieved11 linked violations

Common questions

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

LANGLEY

918-782-2776

LANGLEY, OK 74350