County · Arkansas
Arkansas County, Arkansas: drinking water records
This overview covers 10 ZIP codes and 9 community water systems in Arkansas 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 |
|---|---|---|---|---|---|
| Grand Prairie Regional Water AR0000738 | 15,204 | 180 | 0 | 0 | 1 ppb |
| Stuttgart Waterworks AR0000013 | 7,393 | 120 | 0 | 0 | 1 ppb |
| Humphrey Waterworks AR0000010 | 602 | 0 | 0 | 19 | 3 ppb |
| Dewitt Waterworks AR0000008 | 3,208 | 0 | 0 | 0 | 6 ppb |
| Gillett Water Dept AR0000009 | 655 | 0 | 0 | 0 | 4 ppb |
| Northeast Dewitt Water Assoc AR0000007 | 610 | 0 | 0 | 0 | 6 ppb |
| Almyra Waterworks AR0000006 | 349 | 0 | 0 | 0 | 2 ppb |
| St Charles Waterworks AR0000005 | 326 | 0 | 0 | 0 | 2 ppb |
| North Lagrue Water Assoc AR0000012 | 284 | 0 | 0 | 0 | 2 ppb |
ZIP reports in Arkansas 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.