County · Arkansas
Jefferson County, Arkansas: drinking water records
This overview covers 12 ZIP codes and 11 community water systems in Jefferson County. It also stands in for 1 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 |
|---|---|---|---|---|---|
| Liberty Utilities AR0000272 | 43,438 | 60 | 0 | 0 | 1 ppb |
| Watson Chapel Water Assoc AR0000284 | 5,590 | 60 | 0 | 0 | 1 ppb |
| Hardin Water Association AR0000273 | 4,600 | 60 | 0 | 0 | 1 ppb |
| Center Grove Water Association AR0000213 | 3,858 | 60 | 0 | 0 | 1 ppb |
| Wabbaseka Waterworks AR0000283 | 286 | 0 | 0 | 1 | 5 ppb |
| Redfield Waterworks AR0000279 | 2,823 | 0 | 0 | 0 | 7 ppb |
| Jefferson Public Water Authority AR0000276 | 2,551 | 0 | 0 | 0 | 2 ppb |
| Adc - Tucker Unit Maint AR0000282 | 2,000 | 0 | 0 | 0 | 5 ppb |
| Ladd Water Association AR0000277 | 1,773 | 0 | 0 | 0 | 5 ppb |
| Altheimer Waterworks AR0000271 | 765 | 0 | 0 | 0 | 4 ppb |
| Arsenal Water System AR0000667 | 600 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Jefferson County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 72182.
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.