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AVANT UTILITIES AUTHORITY

Oklahoma — Community Water System — PWSID: OK1021305

System Information

PWSIDOK1021305
System NameAVANT UTILITIES AUTHORITY
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedMar 11, 1980
Last ReportedNov 14, 2025

Location & Contact

StateOklahoma
CityAVANT
ZIP Code74001
AddressShearl Brinson, Mayor
OrganizationAVANT UTILITIES AUTHORITY
Phone918-263-3205

Population & Service

Population Served361
Service Connections165

Drinking Water Violations (815)

This water system has 815 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Sep 29, 2025 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 29, 2025 — TTHM MR No No — 0.080 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2025 Aug 31, 2025 Surface Water Treatment Rule MR No Yes — — — Archived Aug 31, 2025 Surface Water Treatment Rule
Jul 1, 2025 Sep 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .113 MG/L 0.060 mg/L .06 Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 1, 2025 Sep 30, 2025 TTHM MCL Yes No .105 MG/L 0.080 mg/L .08 Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Jul 31, 2025 Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Surface Water Treatment Rule
Jun 1, 2025 Jun 30, 2025 Surface Water Treatment Rule MR No Yes — — — Archived Jun 30, 2025 Surface Water Treatment Rule
Jun 1, 2025 Jun 30, 2025 Surface Water Treatment Rule MR No Yes — — — Archived Jun 30, 2025 Surface Water Treatment Rule
May 1, 2025 May 31, 2025 Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2025 Surface Water Treatment Rule
May 1, 2025 May 31, 2025 Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2025 Surface Water Treatment Rule
Apr 1, 2025 — TTHM MR No No — 0.080 mg/L — Resolved Jun 26, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jun 26, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jun 26, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 — TTHM MR No No — 0.080 mg/L — Resolved Jun 26, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jun 26, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 TTHM MCL Yes No .099 MG/L 0.080 mg/L .08 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 — TTHM MR No No — 0.080 mg/L — Resolved Jun 26, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .093 MG/L 0.060 mg/L .06 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .066 MG/L 0.060 mg/L .06 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .066 MG/L 0.060 mg/L .06 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .066 MG/L 0.060 mg/L .06 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2025 Surface Water Treatment Rule
Dec 1, 2024 Dec 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2024 Surface Water Treatment Rule
Dec 1, 2024 Dec 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2024 Surface Water Treatment Rule
Dec 1, 2024 Dec 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2024 Surface Water Treatment Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 1, 2024 Oct 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Surface Water Treatment Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .068 MG/L 0.060 mg/L .06 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Oct 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Surface Water Treatment Rule
Oct 1, 2024 Oct 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Surface Water Treatment Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .068 MG/L 0.060 mg/L .06 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .068 MG/L 0.060 mg/L .06 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Oct 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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