ST MARTIN WATER DISTRICT 4 - CATAHOULA
Louisiana — Community Water System — PWSID: LA1099004
System Information
| PWSID | LA1099004 |
| System Name | ST MARTIN WATER DISTRICT 4 - CATAHOULA |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 6, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Louisiana |
| City | ST. MARTINVILLE |
| ZIP Code | 70582 |
| Address | St Martin water District 4 - Catahoula |
| Organization | LATIOLAIS, TRAVIS |
| Phone | 337-394-6797 |
Population & Service
| Population Served | 3,000 |
| Service Connections | 1,000 |
Drinking Water Violations (211)
This water system has 211 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 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2025 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2024 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2022 | — | |
| Jan 17, 2021 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jun 1, 2020 | Jun 30, 2020 | MCL | Yes | No | — | — | — | Resolved | Jun 30, 2020 | — | |
| Jun 1, 2020 | Jun 30, 2020 | MCL | Yes | No | — | — | — | Resolved | Jun 30, 2020 | — | |
| Jun 1, 2020 | Jun 30, 2020 | MCL | Yes | No | — | — | — | Resolved | Jun 30, 2020 | — | |
| Jun 1, 2020 | Jun 30, 2020 | MCL | Yes | No | — | — | — | Resolved | Jun 30, 2020 | — | |
| Sep 19, 2018 | — | TT | Yes | No | — | — | — | Resolved | Nov 14, 2018 | — | |
| Sep 19, 2018 | — | TT | Yes | No | — | — | — | Resolved | Nov 14, 2018 | — | |
| Sep 19, 2018 | — | TT | Yes | No | — | — | — | Resolved | Nov 14, 2018 | — | |
| Sep 19, 2018 | — | TT | Yes | No | — | — | — | Resolved | Nov 14, 2018 | — | |
| Oct 1, 2017 | — | Other | No | No | — | — | — | Resolved | May 28, 2019 | — | |
| Oct 1, 2017 | — | Other | No | No | — | — | — | Resolved | May 28, 2019 | — | |
| Oct 1, 2017 | — | Other | No | No | — | — | — | Resolved | May 28, 2019 | — | |
| Oct 1, 2015 | — | Other | No | No | — | — | — | Resolved | Nov 24, 2015 | — | |
| Oct 1, 2015 | — | Other | No | No | — | — | — | Resolved | Nov 24, 2015 | — | |
| Mar 19, 2014 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2014 | — | |
| Mar 19, 2014 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2014 | — | |
| Mar 19, 2014 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2014 | — | |
| Mar 19, 2014 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2014 | — | |
| Oct 1, 2013 | — | Other | No | No | — | — | — | Resolved | Feb 19, 2014 | — | |
| Oct 1, 2013 | — | Other | No | No | — | — | — | Resolved | Feb 19, 2014 | — | |
| Oct 1, 2013 | — | Other | No | No | — | — | — | Resolved | Feb 19, 2014 | — | |
| Jan 1, 2013 | Sep 30, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2013 | — |
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.