County · Louisiana
St. Martin Parish, Louisiana: drinking water records
This overview covers 3 ZIP codes and 14 community water systems in St. Martin Parish. It also stands in for 1 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Village of Parks Water System LA1099008 | 12,801 | 60 | 4 | 11 | 2 ppb |
| Cecilia Water Corporation LA1099005 | 12,420 | 60 | 0 | 6 | 3 ppb |
| Bayou Teche Water Works LA1099002 | 10,137 | 60 | 0 | 5 | 3 ppb |
| City of Breaux Bridge Water System LA1099003 | 10,098 | 60 | 0 | 2 | 1 ppb |
| City of St Martinville Water System LA1099007 | 7,263 | 60 | 0 | 7 | 2 ppb |
| Henderson Nina Water System INC LA1099006 | 5,535 | 60 | 0 | 1 | 4.6 ppb |
| United Water System LA1099009 | 4,446 | 60 | 0 | 17 | 2 ppb |
| Town of Arnaudville Water System LA1099001 | 3,957 | 60 | 0 | 0 | 0 ppb |
| St Martin Water Works District 3 - Cade LA1099028 | 3,249 | 0 | 0 | 5 | 0 ppb |
| St Martin Water District 4 - Catahoula LA1099004 | 3,000 | 0 | 0 | 8 | 1 ppb |
| St Martin Industrial Park Water System LA1099029 | 150 | 0 | 0 | 15 | 13 ppb |
| My Place Mobile Home Park Water System LA1099025 | 111 | 0 | 0 | 17 | 4 ppb |
| Elm Point Estates Water System LA1099024 | 90 | 0 | 0 | 26 | 0 ppb |
| St Martin Water and Sewer Commission 1 LA1099010 | 2,262 | 0 | 0 | 0 | 1 ppb |
ZIP reports in St. Martin Parish
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 70519.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.