County · South Dakota
Kingsbury County, South Dakota: drinking water records
This overview covers 7 ZIP codes and 8 community water systems in Kingsbury 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 |
|---|---|---|---|---|---|
| De Smet SD4600059 | 1,056 | 0 | 0 | 2 | 1 ppb |
| Lake Preston SD4600398 | 589 | 0 | 0 | 1 | 7 ppb |
| Kingbrook II Rural Water System SD4600511 | 2,715 | 0 | 0 | 0 | 2 ppb |
| Arlington SD4600385 | 915 | 0 | 0 | 0 | 2 ppb |
| Iroquois SD4600174 | 292 | 0 | 0 | 0 | 6 ppb |
| Morrow Crossing MHC MI0040247 | 150 | 0 | 0 | 0 | 0 ppb |
| Spring Lake Colony SD4602076 | 114 | 0 | 0 | 0 | 1 ppb |
| Badger SD4600032 | 105 | 0 | 0 | 0 | 2 ppb |
ZIP reports in Kingsbury 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.