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TERRAL

Oklahoma — Community Water System — PWSID: OK2003405

System Information

PWSIDOK2003405
System NameTERRAL
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedMar 11, 1980
Last ReportedNov 14, 2025

Location & Contact

StateOklahoma
CityTERRAL
ZIP Code73569
AddressThe Honorable Megan Rainey, Mayor
OrganizationTERRAL
Phone580-437-2337

Population & Service

Population Served386
Service Connections204

Drinking Water Violations (111)

This water system has 111 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
Jan 7, 2025 — E. COLI MR No Yes — — — Unaddressed — Ground Water Rule
Jan 7, 2025 — E. COLI MR No Yes — — — Unaddressed — Ground Water Rule
Dec 1, 2024 Dec 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2024 Dec 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2024 Dec 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No No — — — Archived Dec 31, 2024 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No No — — — Archived Dec 31, 2024 Revised Total Coliform 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 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
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MCL Yes No 13 MG/L — 10 Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MCL Yes No 13 MG/L — 10 Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MCL Yes No 13 MG/L — 10 Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MCL Yes No 13 MG/L — 10 Resolved Dec 31, 2024 Nitrate Rule
Sep 1, 2022 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2018 Feb 28, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2018 Revised Total Coliform Rule
Feb 1, 2018 Feb 28, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2018 Revised Total Coliform Rule
Feb 1, 2018 Feb 28, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2018 Revised Total Coliform Rule
Feb 1, 2018 Feb 28, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2018 Revised Total Coliform Rule
Sep 1, 2017 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2017 Mar 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2017 Revised Total Coliform Rule
Mar 1, 2017 Mar 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2017 Revised Total Coliform Rule
Mar 1, 2017 Mar 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2017 Revised Total Coliform Rule
Mar 1, 2017 Mar 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2017 Revised Total Coliform Rule
Jan 1, 2017 Mar 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Mar 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Mar 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Mar 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Nov 17, 2017 Lead and Copper 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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