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PORT OCONNOR IMPROVEMENT DISTRICT

Texas — Community Water System — PWSID: TX0290065

System Information

PWSIDTX0290065
System NamePORT OCONNOR IMPROVEMENT DISTRICT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerYes
First ReportedNov 11, 1999
Last ReportedJan 6, 2026

Location & Contact

StateTexas
CityPORT O CONNOR
ZIP Code77982-0375
AddressPO BOX 375
OrganizationMCGUIRE, DANNY
Phone361-983-2652

Population & Service

Population Served1,568
Service Connections2,061

Drinking Water Violations (48)

This water system has 48 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
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2019 — Lead and Copper Rule MR No No — TT — Resolved Mar 16, 2020 Lead and Copper Rule
Dec 30, 2019 — Lead and Copper Rule MR No No — TT — Resolved Mar 16, 2020 Lead and Copper Rule
Nov 1, 2019 — Public Notice Other No No — — — Resolved Nov 1, 2022 Public Notice Rule and Revised PN Rule
Nov 1, 2019 — Public Notice Other No No — — — Resolved Nov 1, 2022 Public Notice Rule and Revised PN Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Oct 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2018 Revised Total Coliform Rule
Oct 1, 2018 Oct 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2018 Revised Total Coliform Rule
Oct 1, 2018 Oct 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2018 Revised Total Coliform Rule
Oct 1, 2018 Oct 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2018 Revised Total Coliform Rule
Dec 30, 2016 — Lead and Copper Rule MR No No — TT — Resolved Feb 8, 2017 Lead and Copper Rule
Dec 30, 2016 — Lead and Copper Rule MR No No — TT — Resolved Feb 8, 2017 Lead and Copper Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Nov 7, 2013 Lead and Copper Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Oct 1, 2008 Dec 31, 2008 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Dec 31, 2008 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Dec 31, 2008 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Dec 31, 2008 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
— — — 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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