County · Louisiana
Grant Parish, Louisiana: drinking water records
This overview covers 6 ZIP codes and 13 community water systems in Grant 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 |
|---|---|---|---|---|---|
| West Grant Water Association LA1043014 | 3,324 | 60 | 0 | 7 | 3 ppb |
| South Grant Water Corporation LA1043008 | 5,289 | 180 | 0 | 0 | 1 ppb |
| Pollock Area Water System INC LA1043017 | 3,900 | 120 | 0 | 0 | 1.2 ppb |
| Town of Colfax LA1043002 | 2,552 | 0 | 0 | 14 | 0 ppb |
| Central Grant Water System LA1043013 | 2,250 | 0 | 0 | 15 | 0 ppb |
| Red Hill Waterworks INC. LA1043018 | 1,914 | 0 | 0 | 52 | 1.3 ppb |
| Zone 2 Water System INC. LA1043001 | 1,344 | 0 | 0 | 4 | 4.5 ppb |
| Village of Montgomery Water System LA1043005 | 1,167 | 0 | 0 | 11 | 0 ppb |
| Village of Dry Prong Water System LA1043003 | 1,155 | 0 | 0 | 3 | 6 ppb |
| Bob Community Waterworks LA1043016 | 732 | 0 | 0 | 5 | 0 ppb |
| Southeast Grant Water System LA1043015 | 567 | 0 | 0 | 4 | 3 ppb |
| Village of Georgetown Water Supply LA1043004 | 363 | 0 | 0 | 40 | 0.9 ppb |
| Town of Pollock Water System LA1043007 | 1,353 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Grant 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.