County · Louisiana
Ascension Parish, Louisiana: drinking water records
This overview covers 7 ZIP codes and 17 community water systems in Ascension Parish. It also stands in for 0 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 |
|---|---|---|---|---|---|
| Parish Utilities of Ascension LA1005035 | 9,732 | 120 | 3 | 2 | 1 ppb |
| City of Gonzales Water System LA1005030 | 16,806 | 180 | 0 | 0 | 0 ppb |
| Cypress Trace Manufactured Housing Comm. LA1005119 | 140 | 0 | 0 | 2 | 0 ppb |
| White Oaks Manufactured Housing Comm. LA1005147 | 138 | 0 | 0 | 4 | 0 ppb |
| Plantation Mobile Home Village LA1005148 | 132 | 0 | 0 | 7 | 0 ppb |
| Roddy Road Village Ascension, LLC LA1005112 | 120 | 0 | 0 | 1 | 0 ppb |
| Jimmy Babin Apartments LA1005046 | 96 | 0 | 0 | 3 | 0 ppb |
| Family Court Mobile Home Park LA1005118 | 80 | 0 | 0 | 10 | 0 ppb |
| Treyville Courts Trailer Park LA1005175 | 69 | 0 | 0 | 1 | 0 ppb |
| Pine Trailer Park LA1005152 | 60 | 0 | 0 | 8 | 4 ppb |
| Riverlands Apartments LA1005085 | 54 | 0 | 0 | 1 | 0 ppb |
| Ascension Consolidated Utility Dist 1 LA1005045 | 2,229 | 0 | 0 | 0 | 0 ppb |
| Ascension Parish Water Works District 2 LA1005001 | 1,353 | 0 | 0 | 0 | 4 ppb |
| Diversion Water - Bayou Estates LA1005005 | 450 | 0 | 0 | 0 | 0 ppb |
| Diversion Water - Cypress Lakes LA1005208 | 111 | 0 | 0 | 0 | 0 ppb |
| Diversion Water - River Run Estates LA1005206 | 69 | 0 | 0 | 0 | 0 ppb |
| St Amant Trailer Park LA1005210 | 69 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Ascension Parish
No ZIP report in this county is published yet.
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.