County · Arkansas
Clay County, Arkansas: drinking water records
This overview covers 11 ZIP codes and 13 community water systems in Clay 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 |
|---|---|---|---|---|---|
| Corning Waterworks AR0000096 | 3,388 | 60 | 0 | 2 | 1 ppb |
| Clay Co Reg Water District AR0000722 | 5,633 | 180 | 0 | 0 | 1 ppb |
| Piggott Waterworks AR0000090 | 4,620 | 120 | 0 | 0 | 2 ppb |
| Greenway Waterworks AR0000097 | 322 | 0 | 0 | 6 | 2 ppb |
| Lafe Regional Water Distribution Distric AR0000483 | 2,583 | 0 | 0 | 0 | 2 ppb |
| St Francis River Reg Water Dd AR0000836 | 2,465 | 0 | 0 | 0 | 2 ppb |
| Rector Waterworks AR0000093 | 2,280 | 0 | 0 | 0 | 1 ppb |
| Mc Dougal Waterworks AR0000098 | 271 | 0 | 0 | 0 | 2 ppb |
| Knobel Waterworks AR0000099 | 249 | 0 | 0 | 0 | 6 ppb |
| Pollard Waterworks AR0000092 | 247 | 0 | 0 | 0 | 2 ppb |
| St Francis Water System AR0000094 | 208 | 0 | 0 | 0 | 1 ppb |
| Peach Orchard Waterworks AR0000091 | 168 | 0 | 0 | 0 | 2 ppb |
| Success Waterworks AR0000095 | 165 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Clay 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.