CHEROKEE CO. RWD #13

PWSID: OK1021721 · Cookson, OK · Serves 1,640 people

Health Violations

CHEROKEE CO. RWD #13 has 26 health-based violations out of 26 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
1,640
Total Violations
26
Health Violations
26
Source Type
Surface Water

CHEROKEE CO. RWD #13 (PWSID OK1021721) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 1,640 people in Cookson, OK, and is subject to primacy enforcement by the Oklahoma drinking-water program.

The system's federal compliance record contains 26 total violations, with 26 classified as health-based (MCL exceedances or treatment-technique failures). 4 distinct contaminants have been cited, including Total Trihalomethanes (TTHM), Haloacetic Acids (HAA5), Total Coliform (RTCR). Recorded violations span 1986–2025.

A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Oklahoma state drinking-water program's public portal.

System Details

EPA ID (PWSID)
OK1021721
System Type
CWS
Water Source
Surface Water
Location
Cookson, OK
Population Served
1,640
Health Violations
Yes (26)

What contaminants are in this water system?

Violation History (26)

Contaminant Health Date
Total Trihalomethanes (TTHM) Yes Jul 1, 2025
Total Trihalomethanes (TTHM) Yes Jul 1, 2025
Haloacetic Acids (HAA5) Yes Jan 1, 2021
Haloacetic Acids (HAA5) Yes Jan 1, 2021
Haloacetic Acids (HAA5) Yes Oct 1, 2020
Haloacetic Acids (HAA5) Yes Oct 1, 2020
Total Trihalomethanes (TTHM) Yes Oct 1, 2020
Total Trihalomethanes (TTHM) Yes Oct 1, 2020
Haloacetic Acids (HAA5) Yes Jul 1, 2020
Haloacetic Acids (HAA5) Yes Jul 1, 2020
Total Trihalomethanes (TTHM) Yes Jul 1, 2020
Total Trihalomethanes (TTHM) Yes Jul 1, 2020
Haloacetic Acids (HAA5) Yes Apr 1, 2020
Total Trihalomethanes (TTHM) Yes Apr 1, 2020
Total Trihalomethanes (TTHM) Yes Apr 1, 2020
Total Trihalomethanes (TTHM) Yes Jan 1, 2019
Total Trihalomethanes (TTHM) Yes Jan 1, 2019
Total Trihalomethanes (TTHM) Yes Oct 1, 2018
Total Trihalomethanes (TTHM) Yes Jul 1, 2018
Total Trihalomethanes (TTHM) Yes Apr 1, 2018
Total Trihalomethanes (TTHM) Yes Oct 1, 2016
Total Trihalomethanes (TTHM) Yes Jul 1, 2016
Total Trihalomethanes (TTHM) Yes Apr 1, 2016
Total Trihalomethanes (TTHM) Yes Jan 1, 2016
Total Coliform (RTCR) Yes Jun 1, 1995
Total Coliform Yes Dec 1, 1986

Frequently Asked Questions

Is CHEROKEE CO. RWD #13 water safe to drink?
CHEROKEE CO. RWD #13 has 26 health-based violations out of 26 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses surface water water as its source.
How many people does CHEROKEE CO. RWD #13 serve?
CHEROKEE CO. RWD #13 serves 1,640 people in Cookson, OK. It is classified as a CWS water system.
What violations does CHEROKEE CO. RWD #13 have?
CHEROKEE CO. RWD #13 has 26 total violations on record spanning 1986–2025. 26 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in CHEROKEE CO. RWD #13 water?
Violations have been recorded for 4 contaminants. The most frequent: Total Trihalomethanes (TTHM), Haloacetic Acids (HAA5), Total Coliform (RTCR).

About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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