County · Alabama
Dallas County, Alabama: drinking water records
This overview covers 7 ZIP codes and 7 community water systems in Dallas County. 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 |
|---|---|---|---|---|---|
| Selma, the Ww and Sb of the City of AL0000490 | 21,834 | 120 | 0 | 0 | 1.7 ppb |
| North Dallas County Water Authority AL0000482 | 8,838 | 240 | 0 | 0 | 1.2 ppb |
| Dallas County Water & Sewer Authority AL0000463 | 4,152 | 120 | 0 | 0 | 1.5 ppb |
| West Dallas Water Authority AL0000491 | 3,747 | 120 | 0 | 0 | 2.8 ppb |
| South Dallas Water Authority AL0000500 | 3,504 | 60 | 0 | 0 | 2.1 ppb |
| Orrville Water Department, Town of AL0000484 | 435 | 0 | 0 | 0 | 0.7 ppb |
| Ridgecrest Estates MS0240251 | 350 | 0 | 0 | 0 | 9 ppb |
ZIP reports in Dallas County
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.