| County | Water Systems | Total Violations | Health-Based |
|---|
| Lawrence |
72 |
746 |
330 |
| Pennington |
156 |
1,042 |
252 |
| Meade |
55 |
283 |
109 |
| Custer |
50 |
294 |
34 |
| Brown |
20 |
204 |
34 |
| Yankton |
9 |
106 |
34 |
| Roberts |
11 |
247 |
29 |
| Fall River |
13 |
275 |
27 |
| Clark |
6 |
159 |
25 |
| Charles Mix |
6 |
45 |
21 |
| Butte |
8 |
112 |
20 |
| Codington |
5 |
85 |
19 |
| Minnehaha |
14 |
40 |
19 |
| Spink |
10 |
101 |
16 |
| Brookings |
11 |
263 |
15 |
| Corson |
3 |
61 |
12 |
| Bon Homme |
6 |
52 |
12 |
| Moody |
6 |
293 |
11 |
| Turner |
6 |
42 |
11 |
| Walworth |
3 |
44 |
10 |
| Hamlin |
5 |
19 |
10 |
| Sanborn |
5 |
241 |
9 |
| Mccook |
5 |
26 |
9 |
| Kingsbury |
6 |
25 |
9 |
| Douglas |
5 |
72 |
8 |
| Marshall |
7 |
55 |
8 |
| Day |
6 |
37 |
8 |
| Brule |
3 |
27 |
8 |
| Faulk |
6 |
27 |
8 |
| Ziebach |
1 |
14 |
8 |
| Hutchinson |
4 |
30 |
7 |
| Edmunds |
7 |
23 |
7 |
| Lincoln |
6 |
20 |
7 |
| Mcpherson |
2 |
18 |
7 |
| Hanson |
2 |
9 |
7 |
| Grant |
4 |
48 |
6 |
| Tripp |
2 |
10 |
6 |
| Dewey |
4 |
134 |
5 |
| Miner |
2 |
37 |
5 |
| Beadle,hand |
1 |
10 |
5 |
| Shannon |
2 |
46 |
4 |
| Beadle |
6 |
44 |
4 |
| Potter |
4 |
42 |
4 |
| Haakon |
2 |
16 |
4 |
| Gregory |
4 |
10 |
4 |
| Bon Homme,douglas,hanson,hutchinson,mccook,turner,yankton |
1 |
5 |
4 |
| Perkins |
3 |
22 |
3 |
| Union |
8 |
21 |
3 |
| Jackson |
2 |
18 |
3 |
| Campbell |
2 |
12 |
3 |
| Aurora |
3 |
9 |
3 |
| Davison |
3 |
7 |
3 |
| Deuel |
2 |
6 |
3 |
| Clay |
2 |
5 |
3 |
| Meade,pennington |
1 |
4 |
3 |
| Lake |
5 |
83 |
2 |
| Jerauld |
2 |
6 |
2 |
| Mellette |
1 |
6 |
2 |
| Clark,codington,deuel,hamlin |
1 |
10 |
1 |
| Hyde |
1 |
6 |
1 |
| Lyman |
3 |
5 |
1 |
| Brown,campbell,day,edmunds,faulk,marshall,mcpherson,potter,spink,walworth |
1 |
3 |
1 |
| Bennett |
1 |
1 |
1 |
| Gregory,lyman,mellette,todd,tripp |
1 |
21 |
0 |
| Dewey,meade,ziebach |
1 |
15 |
0 |
| Lincoln,turner,union |
1 |
5 |
0 |
| Codington,grant,roberts |
1 |
4 |
0 |
| Hughes |
5 |
4 |
0 |
| Lincoln,minnehaha |
1 |
4 |
0 |
| Sully |
1 |
3 |
0 |
| Brookings,lake,moody |
1 |
2 |
0 |
| Brown,day,marshall |
1 |
2 |
0 |
| Codington,day |
1 |
2 |
0 |
| Davison,hanson,mccook |
1 |
2 |
0 |
| Jones |
1 |
2 |
0 |
| Lincoln,mccook,minnehaha |
1 |
2 |
0 |
| Aurora,brule,buffalo,davison,douglas,jerauld |
1 |
1 |
0 |
| Beadle,kingsbury |
1 |
1 |
0 |
| Brookings,deuel |
1 |
1 |
0 |
| Buffalo |
1 |
1 |
0 |
| Clark,codington,day,hamlin |
1 |
1 |
0 |
| Jones,lyman,stanley |
1 |
1 |
0 |
| Mccook,turner |
1 |
1 |
0 |
| Stanley |
2 |
1 |
0 |
| Aurora,davison,douglas,hutchinson,sanborn |
1 |
0 |
0 |
| Butte,meade |
2 |
0 |
0 |
| Clay,turner,yankton |
1 |
0 |
0 |
| Clay,union |
1 |
0 |
0 |
| Custer,fall River |
1 |
0 |
0 |
| Hand |
2 |
0 |
0 |
| Hand,hughes,hyde,sully |
1 |
0 |
0 |
| Harding |
1 |
0 |
0 |
| Jones,pennington |
1 |
0 |
0 |