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ZAPATA COUNTY WATERWORKS SWTP

Texas — Community Water System — PWSID: TX2530002

System Information

PWSIDTX2530002
System NameZAPATA COUNTY WATERWORKS SWTP
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerYes
First ReportedMar 14, 1980
Last ReportedJan 6, 2026

Location & Contact

StateTexas
CityZAPATA
ZIP Code78076-2944
Address200 E 7TH AVE STE 115
OrganizationRATHMELL, JOSEPH
Phone956-765-9920

Population & Service

Population Served13,736
Service Connections4,292

Drinking Water Violations (45)

This water system has 45 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 2, 2024 — Consumer Confidence Rule Other No No — — — Resolved Sep 19, 2024 Consumer Confidence Rule
Jul 2, 2024 — Consumer Confidence Rule Other No No — — — Resolved Sep 19, 2024 Consumer Confidence Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Feb 8, 2023 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Feb 8, 2023 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Feb 8, 2023 Consumer Confidence Rule
Aug 1, 2010 Aug 31, 2010 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2010 Aug 31, 2010 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2010 Aug 31, 2010 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2010 Aug 31, 2010 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2010 Aug 31, 2010 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2010 Aug 31, 2010 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2010 Aug 31, 2010 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2010 Aug 31, 2010 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2006 Mar 31, 2006 TTHM MCL Yes No .084 MG/L 0.080 mg/L — Resolved Mar 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 TTHM MCL Yes No .134 MG/L 0.080 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 TTHM MCL Yes No .155 MG/L 0.080 mg/L — Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .097 MG/L 0.060 mg/L — Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 TTHM MCL Yes No .155 MG/L 0.080 mg/L — Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 TTHM MCL Yes No .155 MG/L 0.080 mg/L — Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 TTHM MCL Yes No .177 MG/L 0.080 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Total Haloacetic Acids (HAA5) MCL Yes No .097 MG/L 0.060 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Mar 31, 2005 TTHM MCL Yes No .198 MG/L 0.080 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 TTHM MCL Yes No .21 MG/L 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 TTHM MCL Yes No .21 MG/L 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MCL Yes No .125 MG/L 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 Total Haloacetic Acids (HAA5) MCL Yes No .091 MG/L 0.060 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 Total Haloacetic Acids (HAA5) MCL Yes No .091 MG/L 0.060 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 Total Haloacetic Acids (HAA5) MCL Yes No .091 MG/L 0.060 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 TTHM MCL Yes No .156 MG/L 0.080 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 TTHM MCL Yes No .156 MG/L 0.080 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 TTHM MCL Yes No .156 MG/L 0.080 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 TTHM MCL Yes No .105 MG/L 0.080 mg/L — Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 Total Haloacetic Acids (HAA5) MCL Yes No .069 MG/L 0.060 mg/L — Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 TTHM MCL Yes No .105 MG/L 0.080 mg/L — Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
May 1, 2003 May 31, 2003 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2003 Surface Water Treatment Rule
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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