County · South Dakota
Fall River County, South Dakota: drinking water records
This overview covers 5 ZIP codes and 10 community water systems in Fall River 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 |
|---|---|---|---|---|---|
| Hot Springs SD4600163 | 3,395 | 120 | 0 | 0 | 3 ppb |
| Fall River Wud SD4602201 | 1,057 | 0 | 0 | 1 | 1 ppb |
| Edgemont SD4600114 | 725 | 0 | 0 | 2 | 3 ppb |
| Country Club Estates SD4600629 | 83 | 0 | 0 | 1 | 1 ppb |
| Liberty Hills Community SD4600518 | 68 | 0 | 0 | 1 | 2 ppb |
| Provo Area Water System SD4600396 | 25 | 0 | 0 | 6 | 1 ppb |
| Southern Black Hills Water SD4602309 | 947 | 0 | 0 | 0 | 2 ppb |
| Hot Springs VA Center SD4680003 | 445 | 0 | 0 | 0 | 4 ppb |
| Oelrichs SD4600230 | 117 | 0 | 0 | 0 | 2 ppb |
| Green Acres Water Corporation SD4602218 | 31 | 0 | 0 | 0 | 2 ppb |
ZIP reports in Fall River 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.