County · Arkansas
Lonoke County, Arkansas: drinking water records
This overview covers 9 ZIP codes and 12 community water systems in Lonoke 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 |
|---|---|---|---|---|---|
| Ward Waterworks AR0000345 | 12,579 | 120 | 0 | 3 | 1 ppb |
| Lonoke Waterworks AR0000343 | 4,277 | 60 | 0 | 5 | 1 ppb |
| Des Arc Waterworks AR0000449 | 4,245 | 60 | 0 | 7 | 1 ppb |
| Cabot Waterworks AR0000338 | 30,063 | 180 | 0 | 0 | 1 ppb |
| Grand Prairie Bayou 2 Pwa AR0000734 | 13,519 | 240 | 0 | 0 | 1 ppb |
| Keo Water Works AR0000337 | 388 | 0 | 0 | 8 | 1 ppb |
| Coy Waterworks AR0000340 | 218 | 0 | 0 | 1 | 1 ppb |
| Austin Waterworks AR0000346 | 3,600 | 0 | 0 | 0 | 4 ppb |
| Furlow Public Water Authority AR0000645 | 3,073 | 0 | 0 | 0 | 2 ppb |
| England Waterworks AR0000341 | 2,477 | 0 | 0 | 0 | 2 ppb |
| Carlisle Waterworks AR0000339 | 2,300 | 0 | 0 | 0 | 2 ppb |
| Lonoke White Public Water Authority AR0001076 | 0 | 0 | 0 | 0 | not reported |
ZIP reports in Lonoke 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.