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TILLMAN CO RWD #1

Oklahoma — Community Water System — PWSID: OK2007107

System Information

PWSIDOK2007107
System NameTILLMAN CO RWD #1
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
CityCHATTANOOGA
ZIP Code73528
AddressMr. Henry Harms, Chairman
OrganizationTILLMAN CO RWD #1
Phone580-597-3097

Population & Service

Population Served1,500
Service Connections657

Drinking Water Violations (216)

This water system has 216 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 Jun 30, 2025 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Archived Jun 30, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Archived Jun 30, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Archived Jun 30, 2025 Nitrate Rule
Jan 1, 2025 Mar 31, 2025 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Archived Mar 31, 2025 Nitrate Rule
Jan 1, 2025 Mar 31, 2025 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Archived Mar 31, 2025 Nitrate Rule
Jan 1, 2025 Mar 31, 2025 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Archived Mar 31, 2025 Nitrate Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Sep 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Nitrate-Nitrite MCL Yes No 13 MG/L — 10 Archived Jun 30, 2024 Nitrate Rule
Apr 1, 2024 Jun 30, 2024 Nitrate-Nitrite MCL Yes No 13 MG/L — 10 Archived Jun 30, 2024 Nitrate Rule
Apr 1, 2024 Jun 30, 2024 Nitrate-Nitrite MCL Yes No 13 MG/L — 10 Archived Jun 30, 2024 Nitrate Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Sep 30, 2023 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Resolved Sep 30, 2023 Nitrate Rule
Jul 1, 2023 Sep 30, 2023 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Resolved Sep 30, 2023 Nitrate Rule
Jul 1, 2023 Sep 30, 2023 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Resolved Sep 30, 2023 Nitrate Rule
Jul 1, 2023 Sep 30, 2023 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Resolved Sep 30, 2023 Nitrate Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 20, 2023 — E. COLI MR No No — — — Unaddressed — Ground Water Rule
Jun 20, 2023 — E. COLI MR No No — — — Unaddressed — Ground Water Rule
Jun 20, 2023 — E. COLI MR No No — — — Unaddressed — Ground Water Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Nitrate-Nitrite MCL Yes No 12 MG/L — 10 Resolved Mar 31, 2021 Nitrate Rule
Jan 1, 2021 Mar 31, 2021 Nitrate-Nitrite MCL Yes No 12 MG/L — 10 Resolved Mar 31, 2021 Nitrate Rule
Jan 1, 2021 Mar 31, 2021 Nitrate-Nitrite MCL Yes No 12 MG/L — 10 Resolved Mar 31, 2021 Nitrate Rule
Jan 1, 2021 Mar 31, 2021 Nitrate-Nitrite MCL Yes No 12 MG/L — 10 Resolved Mar 31, 2021 Nitrate Rule
Oct 1, 2020 Dec 31, 2020 Nitrate-Nitrite MCL Yes No 12 MG/L — 10 Resolved Dec 31, 2020 Nitrate Rule
Oct 1, 2020 Dec 31, 2020 Nitrate-Nitrite MCL Yes No 12 MG/L — 10 Resolved Dec 31, 2020 Nitrate Rule
Oct 1, 2020 Dec 31, 2020 Nitrate-Nitrite MCL Yes No 12 MG/L — 10 Resolved Dec 31, 2020 Nitrate Rule
Oct 1, 2020 Dec 31, 2020 Nitrate-Nitrite MCL Yes No 12 MG/L — 10 Resolved Dec 31, 2020 Nitrate Rule
Jul 1, 2020 Sep 30, 2020 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Resolved Sep 30, 2020 Nitrate Rule
Jul 1, 2020 Sep 30, 2020 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Resolved Sep 30, 2020 Nitrate Rule
Jul 1, 2020 Sep 30, 2020 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Resolved Sep 30, 2020 Nitrate Rule
Jul 1, 2020 Sep 30, 2020 Nitrate-Nitrite MCL Yes No 11 MG/L — 10 Resolved Sep 30, 2020 Nitrate 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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