Public Water Systems
654 active water systems in SD.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| WINNER | WINNER, SD | 2,921 | 37 | — |
| KINGBROOK III RURAL WATER SYSTEM | ARLINGTON, SD | 2,888 | 0 | — |
| AURORA-BRULE RURAL WATER SYSTEM | KIMBALL, SD | 2,750 | 85 | — |
| KINGBROOK II RURAL WATER SYSTEM | ARLINGTON, SD | 2,715 | 5 | — |
| HANSON RURAL WATER SYSTEM | EMERY, SD | 2,685 | 14 | — |
| LENNOX | LENNOX, SD | 2,571 | 20 | — |
| WR/LJ - NORTH STANLEY COUNTY | MURDO, SD | 2,492 | 2 | — |
| SISSETON | SISSETON, SD | 2,479 | 13 | — |
| CHAMBERLAIN | CHAMBERLAIN, SD | 2,473 | 56 | — |
| FLANDREAU | FLANDREAU, SD | 2,372 | 24 | — |
| BERESFORD | BERESFORD, SD | 2,359 | 2 | — |
| VOLGA | VOLGA, SD | 2,340 | 16 | — |
| CLARK RURAL WATER SYSTEM | CLARK, SD | 2,325 | 68 | — |
| REDFIELD | REDFIELD, SD | 2,214 | 7 | — |
| TRI-COUNTY RURAL WATER SYSTEM | EAGLE BUTTE, SD | 2,190 | 172 | Detected |
| ELK POINT | ELK POINT, SD | 2,124 | 87 | — |
| FORT PIERRE | FORT PIERRE, SD | 2,115 | 40 | — |
| SPRINGFIELD | SPRINGFIELD, SD | 2,108 | 61 | — |
| LAUGHING WATER RESTAURANT AT CRAZY H | CRAZY HORSE, SD | 2,055 | 81 | — |
| CUSTER | CUSTER, SD | 1,919 | 112 | — |
| WEBSTER | WEBSTER, SD | 1,696 | 14 | — |
| PARKSTON | PARKSTON, SD | 1,567 | 50 | — |
| MARTIN | MARTIN, SD | 1,500 | 116 | — |
| WAGNER | WAGNER, SD | 1,490 | 19 | — |
| BUTTE-MEADE SWD-BEAN WELL | NEWELL, SD | 1,481 | 100 | — |
| CLAY RWS/SOUTH UNION | WAKONDA, SD | 1,447 | 331 | — |
| NPS-WIND CAVE NATIONAL PARK | HOT SPRINGS, SD | 1,404 | 11 | — |
| GROTON | GROTON, SD | 1,380 | 14 | — |
| CROOKS | CROOKS, SD | 1,362 | 100 | — |
| MILLER | MILLER, SD | 1,349 | 22 | — |
| FREEMAN | FREEMAN, SD | 1,329 | 28 | — |
| SALEM | SALEM, SD | 1,325 | 87 | — |
| BALTIC | BALTIC, SD | 1,271 | 66 | — |
| PLATTE | PLATTE, SD | 1,256 | 29 | — |
| LAKOTA TECH HIGH SCHOOL | BATESLAND, SD | 1,250 | 0 | — |
| GARRETSON | GARRETSON, SD | 1,228 | 241 | — |
| GREGORY | GREGORY, SD | 1,221 | 84 | — |
| CLEAR LAKE | CLEAR LAKE, SD | 1,218 | 15 | — |
| BRITTON | BRITTON, SD | 1,215 | 78 | — |
| AURORA | AURORA, SD | 1,200 | 33 | — |
| COLONIAL PINE HILLS SANITARY DISTRIC | RAPID CITY, SD | 1,200 | 80 | — |
| CHAPEL LANE WATER COMPANY | RAPID CITY, SD | 1,200 | 8 | — |
| WR/LJ - CREIGHTON PROJECT | PHILIP, SD | 1,170 | 0 | — |
| REPTILE GARDENS INC | RAPID CITY, SD | 1,169 | 12 | — |
| GETTYSBURG | GETTYSBURG, SD | 1,162 | 19 | — |
| DEADWOOD | DEADWOOD, SD | 1,156 | 15 | — |
| LEMMON | LEMMON, SD | 1,156 | 105 | — |
| CLARK | CLARK, SD | 1,148 | 20 | — |
| NORTHDALE SANITARY DISTRICT | PIEDMONT, SD | 1,075 | 14 | — |
| FALL RIVER WUD | ORAL, SD | 1,057 | 135 | — |