County · Mississippi
Washington County, Mississippi: drinking water records
This overview covers 10 ZIP codes and 11 community water systems in Washington 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 |
|---|---|---|---|---|---|
| City of Greenville MS0760004 | 29,602 | 480 | 0 | 2 | 1.1 ppb |
| City of Leland MS0760006 | 4,591 | 120 | 0 | 1 | 0.7 ppb |
| Black Bayou Water Assn. MS0760076 | 6,917 | 180 | 0 | 0 | 1.5 ppb |
| City of Hollandale MS0760005 | 2,323 | 0 | 0 | 1 | 1.0 ppb |
| Town of Metcalfe MS0760007 | 1,125 | 0 | 0 | 6 | 0.6 ppb |
| Glen Allan Utility District MS0760003 | 649 | 0 | 0 | 0 | 0.8 ppb |
| Town of Arcola MS0760001 | 546 | 0 | 0 | 0 | 1 ppb |
| Raskin Enterprises Llc-Delta Village MHP MS0760017 | 491 | 0 | 0 | 0 | 0 ppb |
| Golding Acres Water Assn MS0760034 | 99 | 0 | 0 | 0 | 1.4 ppb |
| Winterville Water Association MS0760010 | 92 | 0 | 0 | 0 | 2 ppb |
| City of Greenville (Airbase) MS0760014 | 30 | 0 | 0 | 0 | 4.3 ppb |
ZIP reports in Washington 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.