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PAWHUSKA

Oklahoma — Community Water System — PWSID: OK1021301

System Information

PWSIDOK1021301
System NamePAWHUSKA
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
CityPAWHUSKA
ZIP Code74056
AddressSusan Bayro, Mayor
OrganizationPAWHUSKA
Phone918-287-3040

Population & Service

Population Served3,800
Service Connections2,136

Drinking Water Violations (229)

This water system has 229 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
Apr 1, 2025 — TTHM MR No No — 0.080 mg/L — Resolved Mar 5, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 — TTHM MR No No — 0.080 mg/L — Resolved Mar 5, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .083 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 .083 MG/L 0.080 mg/L .08 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2024 — TTHM MR No No — 0.080 mg/L — Resolved Mar 5, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2024 — TTHM MR No No — 0.080 mg/L — Resolved Mar 5, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
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 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
Dec 30, 2022 — TTHM MR No No — 0.080 mg/L — Resolved Apr 3, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2022 — TTHM MR No No — 0.080 mg/L — Resolved Apr 3, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 2, 2022 — Consumer Confidence Rule Other No No — — — Resolved Oct 1, 2022 Consumer Confidence Rule
Oct 2, 2022 — Consumer Confidence Rule Other No No — — — Resolved Oct 1, 2022 Consumer Confidence Rule
Dec 30, 2021 — TTHM MR No No — 0.080 mg/L — Resolved Apr 3, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2021 — TTHM MR No No — 0.080 mg/L — Resolved Apr 3, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Nov 28, 2022 Lead and Copper Rule
Jul 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Nov 28, 2022 Lead and Copper Rule
Jul 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Nov 28, 2022 Lead and Copper Rule
Jul 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Nov 28, 2022 Lead and Copper Rule
Apr 1, 2021 Jun 30, 2021 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 30, 2020 — TTHM MR No No — 0.080 mg/L — Resolved Nov 2, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 30, 2020 — TTHM MR No No — 0.080 mg/L — Resolved Nov 2, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 30, 2020 — TTHM MR No No — 0.080 mg/L — Resolved Nov 2, 2020 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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