South Dakota

Superfund NPL sites

water systems with PFAS detections

systems above a final limit

7.1M lb

reported 2024 releases

Water systems detecting PFAS, by county

Counties

County	NPL	Cleanup sites	PFAS systems	TRI facilities	Open tank releases
Minnehaha County	1	6	1	25	12
Pennington County	0	3	3	7	16
Lincoln County	0	0	2	6	3
Brown County	0	1	1	6	8
Brookings County	0	0	0	8	4
Meade County	1	0	0	0	1
Codington County	0	1	0	11	4
Lawrence County	2	6	0	3	0
Yankton County	0	2	0	9	2
Davison County	0	0	0	5	9
Beadle County	0	0	0	5	4
Hughes County	0	2	0	0	4
Union County	0	0	0	3	1
Clay County	0	0	0	0	3
Oglala Lakota County	0	0	0	0	7
Lake County	0	0	0	2	7
Butte County	0	0	0	0	4
Roberts County	0	1	0	2	6
Charles Mix County	0	3	0	1	3
Todd County	0	0	0	0	4
Custer County	0	3	0	0	1
Turner County	0	0	0	2	3
Grant County	0	0	0	4	4
Hutchinson County	0	0	0	2	4
Fall River County	0	4	0	0	0
Bon Homme County	0	1	0	1	2
Hamlin County	0	0	0	1	1
Moody County	0	0	0	0	3
Spink County	0	0	0	1	1
McCook County	0	0	0	0	6
Tripp County	0	0	0	0	2
Day County	0	0	0	1	11
Brule County	0	0	0	0	4
Kingsbury County	0	0	0	0	2
Walworth County	0	0	0	0	0
Dewey County	0	3	0	0	5
Marshall County	0	1	0	1	3
Deuel County	0	0	0	1	1
Edmunds County	0	0	0	1	1
Gregory County	0	0	0	0	3
Clark County	0	0	0	0	0
Corson County	0	1	0	0	0
Lyman County	0	0	1	0	2
Hanson County	0	0	0	0	1
Bennett County	0	0	0	0	1
Hand County	0	0	0	0	4
Stanley County	0	0	1	0	2
Douglas County	0	0	0	2	2
Perkins County	0	0	0	0	0
Aurora County	0	0	0	0	2
Jackson County	0	0	0	0	4
Potter County	0	0	0	1	5
Sanborn County	0	0	0	0	0
McPherson County	0	0	0	0	1
Ziebach County	0	0	0	0	0
Miner County	0	0	0	0	1
Faulk County	0	0	0	0	0
Buffalo County	0	1	0	0	2
Haakon County	0	0	0	0	1
Mellette County	0	0	0	0	0
Jerauld County	0	0	0	0	2
Sully County	0	0	0	1	1
Campbell County	0	0	0	1	0
Harding County	0	2	0	0	1
Hyde County	0	0	0	0	3
Jones County	0	0	1	0	2