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TISHOMINGO MUNICIPAL AUTHORITY

Oklahoma — Community Water System — PWSID: OK1010815

System Information

PWSIDOK1010815
System NameTISHOMINGO MUNICIPAL 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
CityTISHOMINGO
ZIP Code73460
AddressLaura Wood, Chairperson
OrganizationTISHOMINGO MUNICIPAL AUTHORITY
Phone580-371-2369

Population & Service

Population Served3,000
Service Connections1,219

Drinking Water Violations (269)

This water system has 269 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 — — — Resolved Aug 29, 2025 Consumer Confidence Rule
Jun 1, 2025 Jun 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2025 Jun 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2025 Jun 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2025 Jun 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Jul 29, 2025 Lead and Copper Rule
Jan 1, 2025 Jan 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Jul 29, 2025 Lead and Copper Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Jul 29, 2025 Lead and Copper Rule
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Jul 29, 2025 Lead and Copper Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 2024 Long Term 2 Enhanced Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 2024 Long Term 2 Enhanced Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 2024 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2024 Jul 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2024 Jul 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2024 Jul 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2024 Jul 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2024 Surface Water Treatment Rule
Apr 1, 2022 Apr 30, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2022 Apr 30, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2022 Apr 30, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2022 Apr 30, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2021 Revised Total Coliform 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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