AVANT UTILITIES AUTHORITY

PWSID: OK1021305 · Avant, OK · Serves 361 people

Health Violations

AVANT UTILITIES AUTHORITY has 143 health-based violations out of 143 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
361
Total Violations
143
Health Violations
143
Source Type
Surface Water

AVANT UTILITIES AUTHORITY (PWSID OK1021305) 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 361 people in Avant, OK, and is subject to primacy enforcement by the Oklahoma drinking-water program.

The system's federal compliance record contains 143 total violations, with 143 classified as health-based (MCL exceedances or treatment-technique failures). 4 distinct contaminants have been cited, including Haloacetic Acids (HAA5), Total Trihalomethanes (TTHM), Arsenic. Recorded violations span 2013–2025.

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)
OK1021305
System Type
CWS
Water Source
Surface Water
Location
Avant, OK
Population Served
361
Health Violations
Yes (143)

What contaminants are in this water system?

Contaminant Violations Health-Based
Haloacetic Acids (HAA5) 70 70
Total Trihalomethanes (TTHM) 66 66
Arsenic 6 6
Gross Alpha 1 1

Violation History (143)

Contaminant Health Date
Haloacetic Acids (HAA5) Yes Jul 1, 2025
Total Trihalomethanes (TTHM) Yes Jul 1, 2025
Haloacetic Acids (HAA5) Yes Apr 1, 2025
Total Trihalomethanes (TTHM) Yes Apr 1, 2025
Haloacetic Acids (HAA5) Yes Jan 1, 2025
Total Trihalomethanes (TTHM) Yes Jan 1, 2025
Gross Alpha Yes Oct 17, 2024
Haloacetic Acids (HAA5) Yes Oct 1, 2024
Total Trihalomethanes (TTHM) Yes Oct 1, 2024
Haloacetic Acids (HAA5) Yes Jul 1, 2024
Haloacetic Acids (HAA5) Yes Jul 1, 2024
Haloacetic Acids (HAA5) 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
Haloacetic Acids (HAA5) Yes Apr 1, 2024
Haloacetic Acids (HAA5) Yes Apr 1, 2024
Haloacetic Acids (HAA5) 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
Haloacetic Acids (HAA5) Yes Jan 1, 2024
Haloacetic Acids (HAA5) Yes Jan 1, 2024
Haloacetic Acids (HAA5) 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 Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Total Trihalomethanes (TTHM) Yes Oct 1, 2023
Haloacetic Acids (HAA5) Yes Oct 1, 2023
Haloacetic Acids (HAA5) Yes Oct 1, 2023
Haloacetic Acids (HAA5) Yes Oct 1, 2023
Haloacetic Acids (HAA5) Yes Jul 1, 2023
Haloacetic Acids (HAA5) Yes Jul 1, 2023
Haloacetic Acids (HAA5) Yes Jul 1, 2023
Haloacetic Acids (HAA5) Yes Jul 1, 2023
Haloacetic Acids (HAA5) Yes Apr 1, 2023
Haloacetic Acids (HAA5) Yes Apr 1, 2023
Haloacetic Acids (HAA5) Yes Apr 1, 2023
Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Trihalomethanes (TTHM) Yes Apr 1, 2023
Total Trihalomethanes (TTHM) Yes Apr 1, 2023
Total Trihalomethanes (TTHM) Yes Apr 1, 2023
Total Trihalomethanes (TTHM) Yes Apr 1, 2023
Haloacetic Acids (HAA5) Yes Jan 1, 2023
Haloacetic Acids (HAA5) Yes Jan 1, 2023
Haloacetic Acids (HAA5) Yes Jan 1, 2023
Haloacetic Acids (HAA5) Yes Jan 1, 2023
Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Trihalomethanes (TTHM) Yes Jan 1, 2023
Total Trihalomethanes (TTHM) Yes Jan 1, 2023
Total Trihalomethanes (TTHM) Yes Jan 1, 2023
Total Trihalomethanes (TTHM) Yes Jan 1, 2023
Total Trihalomethanes (TTHM) Yes Jan 1, 2023
Haloacetic Acids (HAA5) Yes Oct 1, 2022
Haloacetic Acids (HAA5) Yes Oct 1, 2022
Haloacetic Acids (HAA5) Yes Oct 1, 2022
Haloacetic Acids (HAA5) Yes Oct 1, 2022
Total Trihalomethanes (TTHM) Yes Oct 1, 2022
Total Trihalomethanes (TTHM) Yes Oct 1, 2022
Total Trihalomethanes (TTHM) Yes Oct 1, 2022
Total Trihalomethanes (TTHM) Yes Oct 1, 2022
Haloacetic Acids (HAA5) Yes Jul 1, 2022
Haloacetic Acids (HAA5) Yes Jul 1, 2022
Haloacetic Acids (HAA5) Yes Jul 1, 2022
Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Trihalomethanes (TTHM) Yes Jul 1, 2022
Total Trihalomethanes (TTHM) Yes Jul 1, 2022
Total Trihalomethanes (TTHM) Yes Jul 1, 2022
Total Trihalomethanes (TTHM) Yes Jul 1, 2022
Haloacetic Acids (HAA5) Yes Apr 1, 2022
Haloacetic Acids (HAA5) Yes Apr 1, 2022
Haloacetic Acids (HAA5) Yes Apr 1, 2022
Haloacetic Acids (HAA5) Yes Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Apr 1, 2022
Total Trihalomethanes (TTHM) Yes Apr 1, 2022
Haloacetic Acids (HAA5) Yes Jan 1, 2022
Haloacetic Acids (HAA5) Yes Jan 1, 2022
Haloacetic Acids (HAA5) Yes Jan 1, 2022
Total Trihalomethanes (TTHM) Yes Jan 1, 2022
Total Trihalomethanes (TTHM) Yes Jan 1, 2022
Total Trihalomethanes (TTHM) Yes Jan 1, 2022
Arsenic Yes Oct 1, 2021
Arsenic Yes Oct 1, 2021
Arsenic Yes Oct 1, 2021
Haloacetic Acids (HAA5) Yes Oct 1, 2021
Total Trihalomethanes (TTHM) Yes Oct 1, 2021
Haloacetic Acids (HAA5) Yes Jul 1, 2021
Total Trihalomethanes (TTHM) Yes Jul 1, 2021
Haloacetic Acids (HAA5) Yes Apr 1, 2021
Total Trihalomethanes (TTHM) Yes Apr 1, 2021
Haloacetic Acids (HAA5) Yes Jan 1, 2021
Total Trihalomethanes (TTHM) Yes Jan 1, 2021
Haloacetic Acids (HAA5) Yes Oct 1, 2020
Total Trihalomethanes (TTHM) Yes Oct 1, 2020
Haloacetic Acids (HAA5) Yes Jul 1, 2020
Showing 100 of 143 violations.

Frequently Asked Questions

Is AVANT UTILITIES AUTHORITY water safe to drink?
AVANT UTILITIES AUTHORITY has 143 health-based violations out of 143 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 AVANT UTILITIES AUTHORITY serve?
AVANT UTILITIES AUTHORITY serves 361 people in Avant, OK. It is classified as a CWS water system.
What violations does AVANT UTILITIES AUTHORITY have?
AVANT UTILITIES AUTHORITY has 143 total violations on record spanning 2013–2025. 143 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in AVANT UTILITIES AUTHORITY water?
Violations have been recorded for 4 contaminants. The most frequent: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHM), Arsenic.

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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