South Dakota: Water Systems with Most Health Violations
324 water systems in South Dakota have at least one health-based violation on record. The system with the most health-based violations is Shirt Tail Gulch Development in Black Hawk with 187 health-based violations. Health-based violations mean a system exceeded an EPA maximum contaminant level or failed required treatment standards.
| Water System | City | Population | Health Violations | Total Violations |
|---|---|---|---|---|
| Shirt Tail Gulch Development | Black Hawk | 65 | 187 | 200 |
| Cedar Gulch 2 | Piedmont | 40 | 57 | 93 |
| Oak Mountain Country Estates | Black Hawk | 85 | 41 | 46 |
| Viewfield Rural Water System | Black Hawk | 220 | 32 | 32 |
| Meadow Crest Sanitary District | Spearfish | 63 | 32 | 32 |
| Golden Valley Water Company | Black Hawk | 283 | 21 | 21 |
| Owanka Rural Water System | Black Hawk | 52 | 20 | 20 |
| Box Elder | Box Elder | 14,000 | 19 | 19 |
| Garden City | Garden City | 33 | 15 | 67 |
| North Martin Water System | Pine Ridge | 78 | 14 | 43 |
| Aberdeen | Aberdeen | 27,989 | 14 | 14 |
| Buffalo Gap | Buffalo Gap | 126 | 13 | 86 |
| Summit | Summit | 288 | 13 | 74 |
| Rosholt | Rosholt | 379 | 12 | 125 |
| Yankton | Yankton | 15,411 | 12 | 13 |
| Provo Area Water System | Edgemont | 25 | 10 | 101 |
| Maskell, Village of | Vermillion | 86 | 10 | 27 |
| Walnut Park | Spearfish | 180 | 10 | 24 |
| Horseshoe Acres Water Association | Piedmont | 180 | 9 | 45 |
| Morristown | Morristown | 47 | 9 | 42 |
| Pine Hills Park | Summerset | 200 | 9 | 32 |
| Reynolds Court | Spearfish | 28 | 9 | 20 |
| Wagner | Wagner | 1,490 | 9 | 11 |
| Dupree | Dupree | 494 | 8 | 14 |
| Springfield | Springfield | 2,108 | 8 | 10 |
| South Shore | South Shore | 189 | 8 | 10 |
| Sugar Shack | Deadwood | 240 | 7 | 38 |
| Selby | Selby | 645 | 7 | 34 |
| Timberland Park | Yankton | 95 | 7 | 19 |
| Lake Andes | Lake Andes | 710 | 7 | 18 |
| Montrose | Montrose | 468 | 7 | 17 |
| Worthing | Worthing | 939 | 7 | 13 |
| Edgemont | Edgemont | 725 | 7 | 9 |
| Willow Lake | Willow Lake | 255 | 7 | 7 |
| Sheridan Lake Highlands, Inc. | Piedmont | 85 | 7 | 7 |
| Nisland | Nisland | 206 | 6 | 37 |
| Parkston | Parkston | 1,567 | 6 | 27 |
| Corsica | Corsica | 561 | 6 | 15 |
| Bicentennial Trailer Court | Spearfish | 23 | 6 | 12 |
| Utica | Mission Hill | 65 | 6 | 11 |
| Kimball | Kimball | 572 | 6 | 10 |
| Colome | Colome | 323 | 6 | 10 |
| Bristol | Bristol | 288 | 6 | 10 |
| Prairie Haven Subdivision | Black Hawk | 105 | 6 | 6 |
| Lakeside Water Users District | Owanka | 51 | 5 | 52 |
| Marvin | South Shore | 19 | 5 | 37 |
| Cedar Gulch 1 | Rapid City | 45 | 5 | 23 |
| Canova | Canova | 89 | 5 | 22 |
| Hay Creek Water Company | Belle Fourche | 323 | 5 | 20 |
| Beaver Lake Campground | Custer | 300 | 5 | 14 |
| Lake Preston | Lake Preston | 589 | 5 | 13 |
| Veblen | Veblen | 317 | 5 | 13 |
| Rapid City RV Park and Cg | Rapid City | 236 | 5 | 12 |
| Prairie Acres North | Rapid City | 288 | 5 | 11 |
| Conde | Conde | 142 | 5 | 11 |
| Wessington | Wessington | 170 | 5 | 10 |
| Prairie Acres South | Rapid City | 170 | 5 | 10 |
| Flandreau | Flandreau | 2,372 | 5 | 8 |
| Wanblee East | Pine Ridge | 2,179 | 5 | 8 |
| Humboldt | Humboldt | 579 | 5 | 6 |
| Tulare | Miller | 211 | 5 | 5 |
| Southbrook Estates | Brookings | 28 | 4 | 139 |
| Fall River Wud | Oral | 1,057 | 4 | 124 |
| Batesland | Martin | 148 | 4 | 46 |
| Dry Creek Estates | Black Hawk | 233 | 4 | 41 |
| Lewie's Burgers and Brews | Spearfish | 100 | 4 | 35 |
| Deer Mountain Sanitary District | Lead | 125 | 4 | 27 |
| Whispering Willows | Black Hawk | 64 | 4 | 23 |
| Dinosaur Museum | Rapid City | 500 | 4 | 20 |
| Rimrock Tavern - Lyndon Bolt | Boxelder | 35 | 4 | 20 |
| Wallace | Wallace | 91 | 4 | 18 |
| Spring Creek Inn | Hill City | 72 | 4 | 18 |
| Fairburn Water Association | Fairburn | 65 | 4 | 18 |
| Midland | Midland | 120 | 4 | 16 |
| Pleasant Valley Estates | Aberdeen | 105 | 4 | 14 |
| Robin's Roost Cabins | Hill City | 34 | 4 | 14 |
| Prairiewood Property Owners | Aberdeen | 300 | 4 | 11 |
| Estelline | Estelline | 749 | 4 | 10 |
| Aurora | Aurora | 1,200 | 4 | 9 |
| Eureka | Eureka | 813 | 4 | 6 |
| Sunnyside Mobile Home Park II | Piedmont | 235 | 4 | 6 |
| Seneca | Seneca | 25 | 4 | 6 |
| By Water District | Tabor | 13,320 | 4 | 5 |
| Hill City | Hill City | 872 | 4 | 5 |
| Bryant | Bryant | 471 | 4 | 5 |
| Egan | Egan | 241 | 4 | 5 |
| Mission Hill | Mission Hill | 190 | 4 | 5 |
| Siphon Hill Water Association | Rapid City | 68 | 4 | 5 |
| Valley Springs | Valley Springs | 925 | 4 | 4 |
| Emery | Emery | 480 | 4 | 4 |
| Bestgen Addition Water Company | Piedmont | 73 | 4 | 4 |
| Sand Creek Trading Post | Spearfish | 110 | 3 | 60 |
| Henry | Henry | 256 | 3 | 47 |
| Tolstoy | Tolstoy | 36 | 3 | 36 |
| Harney Camp Cabins | Custer | 25 | 3 | 36 |
| Huron Colony | Huron | 95 | 3 | 30 |
| Wounded Knee District School | Manderson | 280 | 3 | 28 |
| Wounded Knee Water System | Pine Ridge | 255 | 3 | 25 |
| Old Whites Drive in | Woonsocket | 37 | 3 | 25 |
| Vale Sanitary District | Vale | 120 | 3 | 23 |