County · Arkansas
Lawrence County, Arkansas: drinking water records
This overview covers 11 ZIP codes and 11 community water systems in Lawrence 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 |
|---|---|---|---|---|---|
| Lawrence Co Reg Water Dist AR0000688 | 7,469 | 420 | 0 | 1 | 1 ppb |
| Walnut Ridge Waterworks AR0000309 | 5,823 | 120 | 0 | 1 | 1 ppb |
| Hoxie Water Department AR0000301 | 2,666 | 0 | 0 | 2 | 3 ppb |
| Portia Waterworks AR0000305 | 586 | 0 | 0 | 1 | 5 ppb |
| Strawberry Waterworks AR0000307 | 1,093 | 0 | 0 | 0 | 2 ppb |
| Black Rock Waterworks AR0000302 | 1,034 | 0 | 0 | 0 | 6 ppb |
| Imboden Waterworks AR0000300 | 825 | 0 | 0 | 0 | 7 ppb |
| Lynn Waterworks AR0000299 | 773 | 0 | 0 | 0 | 2 ppb |
| Ravenden Waterworks AR0000306 | 621 | 0 | 0 | 0 | 2 ppb |
| Sedgwick Waterworks AR0000304 | 249 | 0 | 0 | 0 | 1 ppb |
| Alicia Water System AR0000303 | 146 | 0 | 0 | 0 | 4 ppb |
ZIP reports in Lawrence 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.