County · Mississippi
Winston County, Mississippi: drinking water records
This overview covers 2 ZIP codes and 11 community water systems in Winston 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 Louisville MS0800004 | 7,545 | 60 | 0 | 0 | 0 ppb |
| City of Louisville - Northeast MS0800005 | 780 | 60 | 0 | 0 | 2.3 ppb |
| Highpoint Water Association #1 MS0800011 | 1,940 | 0 | 0 | 0 | 3.3 ppb |
| Town of Noxapater MS0800006 | 1,713 | 0 | 0 | 0 | 0 ppb |
| Liberty-Plattsburg W/A #2 MS0800019 | 1,412 | 0 | 0 | 0 | 0 ppb |
| Bond Water Association #1 MS0800001 | 1,299 | 0 | 0 | 0 | 2.5 ppb |
| Ellison Ridge Water Assn MS0800013 | 1,287 | 0 | 0 | 0 | 0 ppb |
| Southeast Noxapater Water Assn MS0800009 | 1,188 | 0 | 0 | 0 | 11.8 ppb |
| Nanih-Waiya Water Association MS0800015 | 1,127 | 0 | 0 | 0 | 0.5 ppb |
| Pugh'S Mill Water Association MS0800007 | 924 | 0 | 0 | 0 | 5.8 ppb |
| Calvary Water Association MS0800002 | 900 | 0 | 0 | 0 | 0.7 ppb |
ZIP reports in Winston 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.