Mobile County tap water
1 of 12 water systems serving Mobile County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 14 community water systems list this county as served; 12 serve 3,300+ people with full PFAS testing.
- 3 had a health-based violation since 2021-10-26.
Largest systems serving this county
| System | Source | People served (whole system) | PFAS above a 2024 level? | Violations since 2021-10-26 |
|---|---|---|---|---|
| Mobile, Bd. of W&s Comm. of the City of | Surface water | 279,000 | No | 1 |
| Mobile County Water & Fire Pro Authority | Groundwater | 39,573 | No | 0 |
| South Alabama Utilities Water System | Groundwater | 39,249 | No | 0 |
| Prichard Water Works Board | Purchased surface water | 29,190 | No | 8 |
| Grand Bay Water Works Board | Groundwater | 11,100 | Yes | 0 |
| St. Elmo-Irvington Water Authority | Groundwater | 10,284 | No | 0 |
| Bayou LA Batre, the Ub of the City of | Groundwater | 8,100 | No | 0 |
| Satsuma, the Wwb of the City of | Groundwater | 7,248 | No | 0 |
| Kushla Water District | Groundwater | 6,294 | No | 0 |
| Turnerville Water & Fire Pro District | Groundwater | 5,991 | No | 0 |
| Dauphin Island Water & Sewer | Groundwater | 5,802 | No | 0 |
| Lemoyne Water System, Inc. | Groundwater | 3,825 | No | 0 |
Which one is yours? A county usually has several utilities. Your bill or your utility's annual water-quality report names yours. Population is for the whole system, which can cross county lines.
Not medical or legal advice. UCMR 5 results are screening data, not compliance determinations.
Sources and freshness
Public-water-system facts, violations and lead/copper results: EPA ECHO SDWA download (SDWIS snapshot 2026-10-13). PFAS and lithium results: EPA UCMR 5 final data (sampling 2023–2025). Both are U.S. government works, downloaded 2026-10-26. Numbers are computed by the published method; the same fields are in the open data files.