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CHECOTAH PWA

Oklahoma — Community Water System — PWSID: OK1020515

System Information

PWSIDOK1020515
System NameCHECOTAH 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
CityCHECOTAH
ZIP Code74426
AddressMr. Daniel Tarkington, Chairman
OrganizationCHECOTAH PUBLIC WORKS AUTHORITY
Phone918-473-5411

Population & Service

Population Served3,481
Service Connections1,471

Drinking Water Violations (630)

This water system has 630 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 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 1, 2025 Sep 30, 2025 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2025 Jun 30, 2025 CARBON, TOTAL MR No Yes — TT — Archived Jun 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2025 Jun 30, 2025 CARBON, TOTAL MR No Yes — TT — Archived Jun 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2025 Jun 30, 2025 CARBON, TOTAL MR No Yes — TT — Archived Jun 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2025 Jun 30, 2025 CARBON, TOTAL MR No Yes — TT — Archived Jun 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 TTHM MCL Yes No .092 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 .092 MG/L 0.080 mg/L .08 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .082 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 .082 MG/L 0.080 mg/L .08 Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Jul 31, 2024 Chlorite MR No Yes — 1.0 mg/L — Resolved Jul 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Jul 31, 2024 Chlorite MR No Yes — 1.0 mg/L — Resolved Jul 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Jul 31, 2024 Chlorite MR No Yes — 1.0 mg/L — Resolved Jul 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2018 Nov 30, 2018 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2018 Surface Water Treatment Rule
Nov 1, 2018 Nov 30, 2018 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2018 Surface Water Treatment Rule
Nov 1, 2018 Nov 30, 2018 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2018 Surface Water Treatment Rule
Nov 1, 2018 Nov 30, 2018 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2018 Surface Water Treatment Rule
Oct 1, 2018 Dec 31, 2018 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Sep 30, 2018 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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