County · Louisiana
Allen Parish, Louisiana: drinking water records
This overview covers 9 ZIP codes and 10 community water systems in Allen Parish. It also stands in for 3 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 |
|---|---|---|---|---|---|
| Southwest Allen Ww District No 2 LA1003009 | 8,106 | 180 | 1 | 29 | 0.6 ppb |
| City of Oakdale Water System LA1003006 | 6,114 | 60 | 0 | 6 | 0 ppb |
| West Allen Parish Water System LA1003010 | 3,582 | 0 | 0 | 2 | 1 ppb |
| Town of Kinder Water System LA1003005 | 3,195 | 0 | 0 | 4 | 2 ppb |
| East Allen Parish Water Works LA1003011 | 3,030 | 0 | 0 | 6 | 1.4 ppb |
| Town of Oberlin Water System LA1003007 | 2,730 | 0 | 0 | 2 | 0 ppb |
| Allen Parish Ww District No 1 LA1003001 | 1,266 | 0 | 0 | 6 | 0.4 ppb |
| Northwest Allen Parish Ww District LA1003003 | 1,767 | 0 | 0 | 0 | 4 ppb |
| South Oakdale Water System LA1003008 | 1,434 | 0 | 0 | 0 | 0 ppb |
| Village of Elizabeth Water System LA1003002 | 1,005 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Allen 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: 70644, 70651, 70654.
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.