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ST MARTIN WATER DISTRICT 4 - CATAHOULA

Louisiana — Community Water System — PWSID: LA1099004

System Information

PWSIDLA1099004
System NameST MARTIN WATER DISTRICT 4 - CATAHOULA
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedMar 6, 1980
Last ReportedNov 14, 2025

Location & Contact

StateLouisiana
CityST. MARTINVILLE
ZIP Code70582
AddressSt Martin water District 4 - Catahoula
OrganizationLATIOLAIS, TRAVIS
Phone337-394-6797

Population & Service

Population Served3,000
Service Connections1,000

Drinking Water Violations (151)

This water system has 151 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 1, 2025 Sep 30, 2025 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Sep 30, 2025 Arsenic Rule
Apr 1, 2025 Jun 30, 2025 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2025 Arsenic Rule
Apr 1, 2025 Jun 30, 2025 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2025 Arsenic Rule
Apr 1, 2025 Jun 30, 2025 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Archived Mar 31, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Archived Mar 31, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Archived Mar 31, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Archived Mar 31, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Archived Mar 31, 2025 Arsenic Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Dec 31, 2024 Arsenic Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Dec 31, 2024 Arsenic Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Dec 31, 2024 Arsenic Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Dec 31, 2024 Arsenic Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Dec 31, 2024 Arsenic Rule
Apr 1, 2024 Jun 30, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2024 Arsenic Rule
Apr 1, 2024 Jun 30, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2024 Arsenic Rule
Apr 1, 2024 Jun 30, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2024 Arsenic Rule
Apr 1, 2024 Jun 30, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2024 Arsenic Rule
Apr 1, 2024 Jun 30, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2024 Arsenic Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Sep 30, 2022 Arsenic Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Sep 30, 2022 Arsenic Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Sep 30, 2022 Arsenic Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Sep 30, 2022 Arsenic Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Sep 30, 2022 Arsenic Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Sep 30, 2022 Arsenic Rule
Jan 17, 2021 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Sep 19, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved Nov 14, 2018 Revised Total Coliform Rule
Sep 19, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved Nov 14, 2018 Revised Total Coliform Rule
Sep 19, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved Nov 14, 2018 Revised Total Coliform Rule
Sep 19, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved Nov 14, 2018 Revised Total Coliform Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved May 28, 2019 Consumer Confidence Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved May 28, 2019 Consumer Confidence Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved May 28, 2019 Consumer Confidence Rule
Oct 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Nov 24, 2015 Consumer Confidence Rule
Mar 19, 2014 — Public Notice Other No No — — — Resolved Aug 1, 2014 Public Notice Rule and Revised PN Rule
Mar 19, 2014 — Public Notice Other No No — — — Resolved Aug 1, 2014 Public Notice Rule and Revised PN Rule
Mar 19, 2014 — Public Notice Other No No — — — Resolved Aug 1, 2014 Public Notice Rule and Revised PN Rule
Mar 19, 2014 — Public Notice Other No No — — — Resolved Aug 1, 2014 Public Notice Rule and Revised PN Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Feb 19, 2014 Consumer Confidence Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Feb 19, 2014 Consumer Confidence Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Feb 19, 2014 Consumer Confidence Rule
Jan 1, 2013 Sep 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Sep 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Sep 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Sep 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Sep 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts 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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