PORTER PWA

Compiled by PlainEnviro Editorial, Environmental Data Editorial Team · July 13, 2026

PWSID: OK3007306 · Porter, OK · Serves 2,400 people

Health Violations

PORTER PWA has 104 health-based violations out of 104 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served

2,400

Total Violations

104

Health Violations

104

Source Type

Surface Water

PORTER PWA (PWSID OK3007306) 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 2,400 people in Porter, OK, and is subject to primacy enforcement by the Oklahoma drinking-water program.

The system's federal compliance record contains 104 total violations, with 104 classified as health-based (MCL exceedances or treatment-technique failures). 4 distinct contaminants have been cited, including Total Trihalomethanes (TTHM), Haloacetic Acids (HAA5), Gross Alpha. Recorded violations span 1979–2025.

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): OK3007306
System Type: CWS
Water Source: Surface Water
Location: Porter, OK
Population Served: 2,400
Health Violations: Yes (104)

What contaminants are in this water system?

Contaminant	Violations	Health-Based
Total Trihalomethanes (TTHM)	76	76
Haloacetic Acids (HAA5)	26	26
Gross Alpha	1	1
Total Coliform	1	1

Violation History (104)

Contaminant	Type	Health	Date	Enforcement
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2025	-
Gross Alpha	TT	Yes	Oct 17, 2024	9158139
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2023	9158114
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2023	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2023	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2023	9158114
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2023	9158114
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2023	9158115
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2023	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2023	9158111
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2023	9158115
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2023	9158115
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2023	9158109
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2023	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2023	9158108
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2023	9158109
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2023	-
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2023	9158106
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2023	9158106
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2023	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2023	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2023	9158106
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2022	9158103
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2022	9158103
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2022	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2022	9158103
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2022	9158103
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2022	9158103
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2022	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2022	9158103
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2022	9158103
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2022	9158103
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2022	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2022	9158103
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2021	9158097
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2021	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2020	9158098
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2020	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Apr 1, 2020	9158098
Haloacetic Acids (HAA5)	MCL	Yes	Apr 1, 2020	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Jan 1, 2020	9158099
Haloacetic Acids (HAA5)	MCL	Yes	Jan 1, 2020	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2020	9158099
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2020	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Oct 1, 2019	9158079
Haloacetic Acids (HAA5)	MCL	Yes	Oct 1, 2019	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2019	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2019	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Jul 1, 2019	9158079
Haloacetic Acids (HAA5)	MCL	Yes	Jul 1, 2019	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2019	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2019	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Apr 1, 2019	9158079
Haloacetic Acids (HAA5)	MCL	Yes	Apr 1, 2019	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2019	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2019	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Jan 1, 2019	9158079
Haloacetic Acids (HAA5)	MCL	Yes	Jan 1, 2019	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2019	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2019	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2018	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2018	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Jul 1, 2018	9158079
Haloacetic Acids (HAA5)	MCL	Yes	Jul 1, 2018	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2018	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2018	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2018	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2018	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Apr 1, 2018	9158079
Haloacetic Acids (HAA5)	MCL	Yes	Apr 1, 2018	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2018	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2018	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Jan 1, 2018	9158079
Haloacetic Acids (HAA5)	MCL	Yes	Jan 1, 2018	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2017	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2017	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Oct 1, 2017	9158079
Haloacetic Acids (HAA5)	MCL	Yes	Oct 1, 2017	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2017	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2017	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2017	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2017	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2017	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2017	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2016	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2016	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2016	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2016	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2016	9158079
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2016	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2015	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2015	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jan 1, 2015	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Jan 1, 2015	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Oct 1, 2014	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Oct 1, 2014	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Jul 1, 2014	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Jul 1, 2014	9158131
Haloacetic Acids (HAA5)	MCL	Yes	Apr 1, 2014	9158131
Total Trihalomethanes (TTHM)	MCL	Yes	Apr 1, 2014	9158131

Showing 100 of 104 violations.

Frequently Asked Questions

Is PORTER PWA water safe to drink?

PORTER PWA has 104 health-based violations out of 104 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 PORTER PWA serve?

PORTER PWA serves 2,400 people in Porter, OK. It is classified as a CWS water system.

What violations does PORTER PWA have?

PORTER PWA has 104 total violations on record spanning 1979–2025. 104 are health-based violations involving contaminants exceeding EPA limits.

What contaminants have been found in PORTER PWA water?

Violations have been recorded for 4 contaminants. The most frequent: Total Trihalomethanes (TTHM), Haloacetic Acids (HAA5), Gross Alpha.

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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

Read our methodology - how this data is sourced, computed, and verified.

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