County · Louisiana
Iberville Parish, Louisiana: drinking water records
This overview covers 8 ZIP codes and 12 community water systems in Iberville 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 |
|---|---|---|---|---|---|
| Intracoastal Water System West LA1047002 | 6,489 | 120 | 1 | 15 | 0.4 ppb |
| Town of Maringouin LA1047003 | 3,300 | 120 | 0 | 1 | 1 ppb |
| Gillis Long Center LA1047008 | 600 | 35 | 0 | 1 | 0 ppb |
| City of Plaquemine Water System LA1047005 | 14,043 | 120 | 5 | 0 | 1 ppb |
| East Iberville Water System LA1047007 | 6,657 | 60 | 0 | 0 | 0 ppb |
| Town of White Castle Water System LA1047009 | 2,550 | 0 | 0 | 8 | 2 ppb |
| North Iberville Water System LA1047024 | 1,524 | 120 | 0 | 0 | 0.8 ppb |
| Village of Grosse Tete Water System LA1047001 | 954 | 0 | 0 | 2 | 2 ppb |
| Village of Rosedale Water System LA1047006 | 664 | 0 | 0 | 8 | 0 ppb |
| Intracoastal Water System East LA1047030 | 2,940 | 0 | 0 | 0 | 0.8 ppb |
| Highway 1148 Water System LA1047026 | 1,086 | 0 | 0 | 0 | 0.9 ppb |
| Magnolia - Plantation Gardens LA1047028 | 160 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Iberville 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: 70780.
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.