State
South Dakota: drinking water records
EPA lists 513 community water systems serving homes in South Dakota. 55 took part in EPA's national PFAS survey (UCMR 5), and 6 found at least one PFAS above the level laboratories can measure.
In focus513community water systems
Public records. Clearer context.
0
ZIP reports published
513
community water systems
165
systems with a health-based violation since 2016
10
systems that reached the lead action level since 2016
Counties
- Aurora County 5 systems
- Beadle County 8 systems
- Bennett County 1 systems
- Bon Homme County 7 systems
- Brookings County 14 systems
- Brown County 22 systems
- Brule County 4 systems
- Buffalo County 1 systems
- Butte County 10 systems
- Campbell County 3 systems
- Charles Mix County 6 systems
- Clark County 8 systems
- Clay County 4 systems
- Codington County 9 systems
- Corson County 3 systems
- Custer County 11 systems
- Davison County 6 systems
- Day County 10 systems
- Deuel County 4 systems
- Dewey County 5 systems
- Douglas County 8 systems
- Edmunds County 7 systems
- Fall River County 10 systems
- Faulk County 7 systems
- Grant County 6 systems
- Gregory County 5 systems
- Haakon County 2 systems
- Hamlin County 7 systems
- Hand County 4 systems
- Hanson County 4 systems
- Harding County 1 systems
- Hughes County 5 systems
- Hutchinson County 6 systems
- Hyde County 2 systems
- Jackson County 1 systems
- Jerauld County 3 systems
- Jones County 3 systems
- Kingsbury County 8 systems
- Lake County 6 systems
- Lawrence County 42 systems
- Lincoln County 9 systems
- Lyman County 5 systems
- Marshall County 9 systems
- McCook County 9 systems
- McPherson County 3 systems
- Meade County 46 systems
- Mellette County 2 systems
- Miner County 2 systems
- Minnehaha County 16 systems
- Moody County 7 systems
- Oglala Lakota County 0 systems
- Pennington County 67 systems
- Perkins County 4 systems
- Potter County 4 systems
- Roberts County 9 systems
- Sanborn County 4 systems
- Spink County 11 systems
- Stanley County 3 systems
- Sully County 2 systems
- Todd County 1 systems
- Tripp County 3 systems
- Turner County 10 systems
- Union County 9 systems
- Walworth County 4 systems
- Yankton County 10 systems
- Ziebach County 2 systems
ZIP reports
Sources
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.