AVANT UTILITIES AUTHORITY

PWSID: OK1021305 · Avant, OK · Serves 361 people

According to EPA Safe Drinking Water Information System (SDWIS), AVANT UTILITIES AUTHORITY (PWSID OK1021305) in Avant, OK is listed as a CWS water system covering about 361 people. The same extract lists 149 health-based violation records spanning 2013-2025. Those 149 health-based rows for AVANT UTILITIES AUTHORITY cover contaminants such as Total Haloacetic Acids (HAA5), TTHM, Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

AVANT UTILITIES AUTHORITY has 149 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
361
Health-Based Violation Records
149
Distinct Contaminant Codes
4
Source Type
Surface Water

PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 4 distinct EPA contaminant codes appear in this system's record, including Total Haloacetic Acids (HAA5), TTHM, Surface Water Treatment Rule. Recorded violations span 2013–2025. Day-to-day primacy enforcement for this system runs through the Oklahoma drinking-water program, not EPA directly.

A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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 (149)

What contaminants are in this water system?

Violation History (149)

Contaminant Health Date
Total Haloacetic Acids (HAA5) Yes Jul 1, 2025
Total Haloacetic Acids (HAA5) Yes Jul 1, 2025
TTHM Yes Jul 1, 2025
TTHM Yes Jul 1, 2025
Total Haloacetic Acids (HAA5) Yes Apr 1, 2025
Total Haloacetic Acids (HAA5) Yes Apr 1, 2025
TTHM Yes Apr 1, 2025
TTHM Yes Apr 1, 2025
Total Haloacetic Acids (HAA5) Yes Jan 1, 2025
TTHM Yes Jan 1, 2025
LEAD AND COPPER RULE REVISIONS Yes Oct 17, 2024
Total Haloacetic Acids (HAA5) Yes Oct 1, 2024
Total Haloacetic Acids (HAA5) Yes Oct 1, 2024
TTHM Yes Oct 1, 2024
TTHM Yes Oct 1, 2024
Total Haloacetic Acids (HAA5) Yes Jul 1, 2024
Total Haloacetic Acids (HAA5) Yes Jul 1, 2024
Total Haloacetic Acids (HAA5) Yes Jul 1, 2024
TTHM Yes Jul 1, 2024
TTHM Yes Jul 1, 2024
TTHM Yes Jul 1, 2024
Total Haloacetic Acids (HAA5) Yes Apr 1, 2024
Total Haloacetic Acids (HAA5) Yes Apr 1, 2024
Total Haloacetic Acids (HAA5) Yes Apr 1, 2024
TTHM Yes Apr 1, 2024
TTHM Yes Apr 1, 2024
TTHM Yes Apr 1, 2024
Total Haloacetic Acids (HAA5) Yes Jan 1, 2024
Total Haloacetic Acids (HAA5) Yes Jan 1, 2024
Total Haloacetic Acids (HAA5) Yes Jan 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Oct 1, 2023
TTHM Yes Oct 1, 2023
TTHM Yes Oct 1, 2023
TTHM Yes Oct 1, 2023
Total Haloacetic Acids (HAA5) Yes Oct 1, 2023
Total Haloacetic Acids (HAA5) Yes Oct 1, 2023
Total Haloacetic Acids (HAA5) Yes Oct 1, 2023
Total Haloacetic Acids (HAA5) Yes Jul 1, 2023
Total Haloacetic Acids (HAA5) Yes Jul 1, 2023
Total Haloacetic Acids (HAA5) Yes Jul 1, 2023
Total Haloacetic Acids (HAA5) Yes Jul 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
TTHM Yes Apr 1, 2023
TTHM Yes Apr 1, 2023
TTHM Yes Apr 1, 2023
TTHM Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
TTHM Yes Jan 1, 2023
TTHM Yes Jan 1, 2023
TTHM Yes Jan 1, 2023
TTHM Yes Jan 1, 2023
TTHM Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Oct 1, 2022
Total Haloacetic Acids (HAA5) Yes Oct 1, 2022
Total Haloacetic Acids (HAA5) Yes Oct 1, 2022
Total Haloacetic Acids (HAA5) Yes Oct 1, 2022
TTHM Yes Oct 1, 2022
TTHM Yes Oct 1, 2022
TTHM Yes Oct 1, 2022
TTHM Yes Oct 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
TTHM Yes Jul 1, 2022
TTHM Yes Jul 1, 2022
TTHM Yes Jul 1, 2022
TTHM Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Apr 1, 2022
Total Haloacetic Acids (HAA5) Yes Apr 1, 2022
Total Haloacetic Acids (HAA5) Yes Apr 1, 2022
Total Haloacetic Acids (HAA5) Yes Apr 1, 2022
TTHM Yes Apr 1, 2022
TTHM Yes Apr 1, 2022
TTHM Yes Apr 1, 2022
TTHM Yes Apr 1, 2022
Total Haloacetic Acids (HAA5) Yes Jan 1, 2022
Total Haloacetic Acids (HAA5) Yes Jan 1, 2022
Total Haloacetic Acids (HAA5) Yes Jan 1, 2022
TTHM Yes Jan 1, 2022
TTHM Yes Jan 1, 2022
TTHM Yes Jan 1, 2022
Surface Water Treatment Rule Yes Oct 1, 2021
Surface Water Treatment Rule Yes Oct 1, 2021
Surface Water Treatment Rule Yes Oct 1, 2021
Total Haloacetic Acids (HAA5) Yes Oct 1, 2021
TTHM Yes Oct 1, 2021
Total Haloacetic Acids (HAA5) Yes Jul 1, 2021
TTHM Yes Jul 1, 2021
Total Haloacetic Acids (HAA5) Yes Apr 1, 2021
Showing 100 of 149 violations.

Frequently Asked Questions

What does EPA SDWIS list for AVANT UTILITIES AUTHORITY?
AVANT UTILITIES AUTHORITY has 149 health-based violation records in this historical extract. Monitoring and reporting records are not included. 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 149 health-based violation records in PlainEnviro's extract spanning 2013–2025. Monitoring and reporting records are not included.
What contaminants have been found in AVANT UTILITIES AUTHORITY water?
Violations have been recorded for 4 contaminants. The most frequent: Total Haloacetic Acids (HAA5), TTHM, Surface Water Treatment Rule.

Compare beyond Oklahoma

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest AVANT UTILITIES AUTHORITY on cumulative violation count (149) and EPA-reported population served (361). Violation-count peers include WELLTON TOWN OF, CIMARRON WATER SYSTEM, CITY OF ANDREWS.

About This Data

AVANT UTILITIES AUTHORITY (OK1021305) is drawn from EPA SDWIS. Nearby county systems in this extract include BARTLESVILLE; SKIATOOK PWA; OSAGE CO RWD #15; PAWHUSKA. Health-based rows (149 MCL/TT) are historical registry state, not a current drinkability score.

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

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