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COWETA PWA

Oklahoma — Community Water System — PWSID: OK1021509

System Information

PWSIDOK1021509
System NameCOWETA PWA
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
CityCOWETA
ZIP Code74429
AddressThe Honorable Naomi Hogue, Mayor
OrganizationCOWETA
Phone918-486-8073

Population & Service

Population Served9,450
Service Connections6,123

Drinking Water Violations (1,019)

This water system has 1,019 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
Jul 1, 2025 Sep 30, 2025 TTHM MCL Yes No .093 MG/L 0.080 mg/L .08 Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Sep 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .087 MG/L 0.060 mg/L .06 Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Sep 30, 2025 TTHM MCL Yes No .107 MG/L 0.080 mg/L .08 Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Sep 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 30, 2025 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Aug 5, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 30, 2025 — TTHM MR No No — 0.080 mg/L — Resolved Aug 5, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 30, 2025 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Aug 5, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 30, 2025 — TTHM MR No No — 0.080 mg/L — Resolved Aug 5, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 TTHM MCL Yes No .133 MG/L 0.080 mg/L .08 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .099 MG/L 0.060 mg/L .06 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 TTHM MCL Yes No .133 MG/L 0.080 mg/L .08 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 TTHM MCL Yes No .133 MG/L 0.080 mg/L .08 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .131 MG/L 0.060 mg/L .06 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 TTHM MCL Yes No .14 MG/L 0.080 mg/L .08 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 TTHM MCL Yes No .14 MG/L 0.080 mg/L .08 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .131 MG/L 0.060 mg/L .06 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 TTHM MCL Yes No .14 MG/L 0.080 mg/L .08 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .131 MG/L 0.060 mg/L .06 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .099 MG/L 0.060 mg/L .06 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .099 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 .085 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 .119 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 .131 MG/L 0.080 mg/L .08 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .085 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 .135 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 .131 MG/L 0.080 mg/L .08 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .119 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 .135 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 .131 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 .135 MG/L 0.080 mg/L .08 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .119 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 .085 MG/L 0.060 mg/L .06 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2024 — TTHM MR No No — 0.080 mg/L — Resolved Mar 13, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2024 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Mar 13, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2024 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Mar 13, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2024 — TTHM MR No No — 0.080 mg/L — Resolved Mar 13, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Jul 15, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Jul 15, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Jul 15, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Jul 15, 2025 Lead and Copper Rule Revisions
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .081 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 .118 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 .118 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 .139 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 .139 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 .134 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 .139 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 .118 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 .134 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 .081 MG/L 0.060 mg/L .06 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts 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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