WEWOKA PUBLIC WORKS AUTHORITY

PWSID: OK1020510 · Wewoka, OK · Serves 3,450 people

Health Violations

WEWOKA PUBLIC WORKS AUTHORITY has 378 health-based violations out of 378 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
3,450
Total Violations
378
Health Violations
378
Source Type
Surface Water

WEWOKA PUBLIC WORKS AUTHORITY (PWSID OK1020510) 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 3,450 people in Wewoka, OK, and is subject to primacy enforcement by the Oklahoma drinking-water program.

The system's federal compliance record contains 378 total violations, with 378 classified as health-based (MCL exceedances or treatment-technique failures). 8 distinct contaminants have been cited, including Turbidity, Total Trihalomethanes (TTHM), Chloroform. Recorded violations span 1993–2025.

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)
OK1020510
System Type
CWS
Water Source
Surface Water
Location
Wewoka, OK
Population Served
3,450
Health Violations
Yes (378)

What contaminants are in this water system?

Violation History (378)

Contaminant Health Date
Total Trihalomethanes (TTHM) Yes Apr 1, 2025
Total Trihalomethanes (TTHM) Yes Apr 1, 2025
Arsenic Yes Jan 1, 2025
Arsenic Yes Jan 1, 2025
Turbidity Yes Jan 1, 2025
Turbidity Yes Jan 1, 2025
Turbidity Yes Jan 1, 2025
Turbidity Yes Jan 1, 2025
Total Trihalomethanes (TTHM) Yes Jan 1, 2025
Total Trihalomethanes (TTHM) Yes Jan 1, 2025
Turbidity Yes Dec 1, 2024
Turbidity Yes Dec 1, 2024
Gross Alpha Yes Oct 17, 2024
Total Trihalomethanes (TTHM) Yes Oct 1, 2024
Total Trihalomethanes (TTHM) Yes Oct 1, 2024
Total Trihalomethanes (TTHM) Yes Oct 1, 2024
Total Trihalomethanes (TTHM) Yes Oct 1, 2024
Total Trihalomethanes (TTHM) Yes Jul 1, 2024
Total Trihalomethanes (TTHM) Yes Jul 1, 2024
Total Trihalomethanes (TTHM) Yes Jul 1, 2024
Total Trihalomethanes (TTHM) Yes Jul 1, 2024
Turbidity Yes Jun 1, 2024
Turbidity Yes Jun 1, 2024
Turbidity Yes Jun 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2024
Total Trihalomethanes (TTHM) Yes Apr 1, 2024
Turbidity Yes Feb 1, 2024
Turbidity Yes Feb 1, 2024
Turbidity Yes Feb 1, 2024
Turbidity Yes Feb 1, 2024
Turbidity Yes Jan 1, 2024
Turbidity Yes Jan 1, 2024
Turbidity Yes Jan 1, 2024
Turbidity Yes Jan 1, 2024
Chloroform Yes Jan 1, 2024
Chloroform Yes Jan 1, 2024
Chloroform Yes Jan 1, 2024
Chloroform Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Total Trihalomethanes (TTHM) Yes Jan 1, 2024
Turbidity Yes Nov 1, 2023
Turbidity Yes Nov 1, 2023
Turbidity Yes Nov 1, 2023
Turbidity Yes Nov 1, 2023
Turbidity Yes Nov 1, 2023
Turbidity Yes Nov 1, 2023
Turbidity Yes Nov 1, 2023
Turbidity Yes Nov 1, 2023
Turbidity Yes Oct 1, 2023
Turbidity Yes Oct 1, 2023
Turbidity Yes Oct 1, 2023
Turbidity Yes Oct 1, 2023
Turbidity Yes Oct 1, 2023
Turbidity Yes Oct 1, 2023
Turbidity Yes Oct 1, 2023
Turbidity Yes Oct 1, 2023
Chloroform Yes Oct 1, 2023
Chloroform Yes Oct 1, 2023
Chloroform Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Turbidity Yes Sep 1, 2023
Turbidity Yes Sep 1, 2023
Turbidity Yes Sep 1, 2023
Turbidity Yes Sep 1, 2023
Turbidity Yes Sep 1, 2023
Turbidity Yes Jul 1, 2023
Turbidity Yes Jul 1, 2023
Turbidity Yes Jul 1, 2023
Turbidity Yes Jul 1, 2023
Chloroform Yes Jul 1, 2023
Chloroform Yes Jul 1, 2023
Chloroform Yes Jul 1, 2023
Chloroform Yes Jul 1, 2023
Chloroform Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Total Trihalomethanes (TTHM) Yes Jul 1, 2023
Turbidity Yes Jun 1, 2023
Showing 100 of 378 violations.

Frequently Asked Questions

Is WEWOKA PUBLIC WORKS AUTHORITY water safe to drink?
WEWOKA PUBLIC WORKS AUTHORITY has 378 health-based violations out of 378 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 WEWOKA PUBLIC WORKS AUTHORITY serve?
WEWOKA PUBLIC WORKS AUTHORITY serves 3,450 people in Wewoka, OK. It is classified as a CWS water system.
What violations does WEWOKA PUBLIC WORKS AUTHORITY have?
WEWOKA PUBLIC WORKS AUTHORITY has 378 total violations on record spanning 1993–2025. 378 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in WEWOKA PUBLIC WORKS AUTHORITY water?
Violations have been recorded for 8 contaminants. The most frequent: Turbidity, Total Trihalomethanes (TTHM), Chloroform.

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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