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SHAMROCK MUNICIPAL WATER SYSTEM

Texas — Community Water System — PWSID: TX2420001

System Information

PWSIDTX2420001
System NameSHAMROCK MUNICIPAL WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedMar 14, 1980
Last ReportedJan 6, 2026

Location & Contact

StateTexas
CitySHAMROCK
ZIP Code79079-2229
Address305 N MAIN ST
OrganizationRAMSEY, LYNN
Phone806-256-3281

Population & Service

Population Served2,311
Service Connections1,267

Drinking Water Violations (116)

This water system has 116 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
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Mar 31, 2025 Revised Total Coliform Rule
Jul 1, 2022 Sep 30, 2022 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Sep 30, 2022 Nitrate Rule
Jul 1, 2022 Sep 30, 2022 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Sep 30, 2022 Nitrate Rule
Jul 1, 2022 Sep 30, 2022 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Sep 30, 2022 Nitrate Rule
Jul 1, 2022 Sep 30, 2022 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Sep 30, 2022 Nitrate Rule
Dec 30, 2015 — Lead and Copper Rule MR No No — TT — Resolved Feb 5, 2016 Lead and Copper Rule
Dec 30, 2015 — Lead and Copper Rule MR No No — TT — Resolved Feb 5, 2016 Lead and Copper Rule
Oct 1, 2015 Dec 31, 2015 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Dec 31, 2015 Nitrate Rule
Oct 1, 2015 Dec 31, 2015 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Dec 31, 2015 Nitrate Rule
Oct 1, 2015 Dec 31, 2015 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Dec 31, 2015 Nitrate Rule
Oct 1, 2015 Dec 31, 2015 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Dec 31, 2015 Nitrate Rule
Jan 22, 2015 — Public Notice Other No No — — — Resolved Feb 2, 2015 Public Notice Rule and Revised PN Rule
Jan 22, 2015 — Public Notice Other No No — — — Resolved Feb 2, 2015 Public Notice Rule and Revised PN Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 2, 2015 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 2, 2015 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 2, 2015 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 2, 2015 Lead and Copper Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2014 Total Coliform Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2014 Total Coliform Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2014 Total Coliform Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2014 Total Coliform Rule
Jul 1, 2014 Sep 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Sep 30, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Mar 31, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
May 12, 2012 — Public Notice Other No No — — — Resolved Apr 25, 2012 Public Notice Rule and Revised PN Rule
May 12, 2012 — Public Notice Other No No — — — Resolved Apr 25, 2012 Public Notice Rule and Revised PN Rule
Mar 1, 2012 Mar 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2012 Total Coliform Rule
Mar 1, 2012 Mar 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2012 Total Coliform Rule
Mar 1, 2012 Mar 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2012 Total Coliform Rule
Mar 1, 2012 Mar 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2012 Total Coliform Rule
Feb 12, 2012 — Public Notice Other No No — — — Resolved Mar 20, 2012 Public Notice Rule and Revised PN Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Dec 18, 2011 — Public Notice Other No No — — — Resolved Mar 20, 2012 Public Notice Rule and Revised PN Rule
Dec 18, 2011 — Public Notice Other No No — — — Resolved Mar 20, 2012 Public Notice Rule and Revised PN Rule
Dec 18, 2011 — Public Notice Other No No — — — Resolved Mar 20, 2012 Public Notice Rule and Revised PN Rule
Dec 18, 2011 — Public Notice Other No No — — — Resolved Mar 20, 2012 Public Notice Rule and Revised PN Rule
Jun 20, 2011 — Public Notice Other No No — — — Resolved Mar 20, 2012 Public Notice Rule and Revised PN Rule
Jun 20, 2011 — Public Notice Other No No — — — Resolved Mar 20, 2012 Public Notice Rule and Revised PN 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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