County · Louisiana
LaSalle Parish, Louisiana: drinking water records
This overview covers 4 ZIP codes and 12 community water systems in LaSalle 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 |
|---|---|---|---|---|---|
| Town of Jena Water System LA1059003 | 3,614 | 240 | 0 | 4 | 0 ppb |
| Lasalle Waterworks District 1 LA1059002 | 3,240 | 0 | 0 | 4 | 2 ppb |
| Town of Olla Water System LA1059004 | 2,565 | 0 | 0 | 9 | 0 ppb |
| Nebo Water System INC LA1059005 | 2,460 | 0 | 0 | 3 | 1.6 ppb |
| Belah Fellowship Water System LA1059001 | 1,806 | 0 | 0 | 4 | 2 ppb |
| Summerville Water System LA1059009 | 1,425 | 60 | 0 | 0 | 6 ppb |
| Village of Tullos Water System LA1059010 | 792 | 0 | 0 | 75 | 0 ppb |
| Pleasant Ridge Water System LA1059006 | 540 | 0 | 0 | 8 | 1 ppb |
| Rogers Community Water System INC LA1059013 | 495 | 0 | 0 | 2 | 3 ppb |
| East Jena Water System INC. LA1059017 | 990 | 0 | 0 | 0 | 0 ppb |
| Village of Urania Water System LA1059011 | 784 | 0 | 0 | 0 | 0 ppb |
| Whitehall Water System INC LA1059012 | 627 | 0 | 0 | 0 | 0.7 ppb |
ZIP reports in LaSalle 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.
