Public Water Systems
654 active water systems in SD.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| DE SMET | DE SMET, SD | 1,056 | 107 | — |
| PARKER | PARKER, SD | 1,025 | 86 | — |
| BEAR COUNTRY USA | BLACK HAWK, SD | 1,021 | 176 | — |
| TYNDALL | TYNDALL, SD | 1,012 | 9 | — |
| DOT REST AREA 119 - GLACIAL LAKES | SISSETON, SD | 1,000 | 5 | — |
| DOT REST AREA - WHETSTONE VALLEY | WILMOT, SD | 1,000 | 4 | — |
| COUNTRY STORE AT THREE FORKS | BLACK HAWK, SD | 1,000 | 12 | — |
| PIEDMONT | PIEDMONT, SD | 971 | 5 | — |
| WORTHING | WORTHING, SD | 939 | 124 | — |
| IPSWICH | IPSWICH, SD | 928 | 26 | — |
| VALLEY SPRINGS | VALLEY SPRINGS, SD | 925 | 25 | — |
| CENTERVILLE | CENTERVILLE, SD | 918 | 197 | — |
| ARLINGTON | ARLINGTON, SD | 915 | 19 | — |
| ADDIE CAMP WATER AND SEPTIC | PIEDMONT, SD | 900 | 2 | — |
| WESSINGTON SPRINGS | WESSINGTON SPRINGS, SD | 895 | 16 | — |
| MARION | MARION, SD | 894 | 15 | — |
| WHITEWOOD | WHITEWOOD, SD | 879 | 68 | — |
| HILL CITY | HILL CITY, SD | 872 | 251 | — |
| MINA LAKE SANITARY DISTRICT | ABERDEEN, SD | 863 | 49 | — |
| PALMER GULCH LODGE/MT RUSHMORE KOA | BLACK HAWK, SD | 850 | 9 | — |
| HOWARD | HOWARD, SD | 848 | 30 | — |
| ALCESTER | ALCESTER, SD | 820 | 30 | — |
| VIBORG | VIBORG, SD | 814 | 48 | — |
| EUREKA | EUREKA, SD | 813 | 19 | — |
| FORT MEADE VA CENTER | FORT MEADE, SD | 800 | 140 | — |
| CSP-SYLVAN LAKE | CUSTER, SD | 799 | 0 | — |
| SCOTLAND | SCOTLAND, SD | 785 | 7 | — |
| PLANKINTON | PLANKINTON, SD | 782 | 64 | — |
| PHILIP | PHILIP, SD | 759 | 89 | Detected |
| ELKTON | ELKTON, SD | 755 | 53 | — |
| WONDERLAND HOMES | RAPID CITY, SD | 750 | 21 | — |
| ESTELLINE | ESTELLINE, SD | 749 | 205 | — |
| COLTON | COLTON, SD | 738 | 134 | — |
| EDGEMONT | EDGEMONT, SD | 725 | 503 | — |
| LAKE ANDES | LAKE ANDES, SD | 710 | 52 | — |
| POWDER HOUSE LODGE | RAPID CITY, SD | 700 | 13 | — |
| WALL | WALL, SD | 699 | 80 | Detected |
| CASTLEWOOD | CASTLEWOOD, SD | 698 | 151 | — |
| ARMOUR | ARMOUR, SD | 698 | 13 | — |
| FAULKTON | FAULKTON, SD | 693 | 22 | — |
| HIGHMORE | HIGHMORE, SD | 682 | 143 | — |
| NEW UNDERWOOD | NEW UNDERWOOD, SD | 679 | 144 | — |
| ONIDA | ONIDA, SD | 658 | 139 | — |
| SUN VALLEY DEVELOPMENT | RAPID CITY, SD | 650 | 2 | Clean |
| ALEXANDRIA | ALEXANDRIA, SD | 649 | 20 | — |
| SELBY | SELBY, SD | 645 | 68 | — |
| CANISTOTA | CANISTOTA, SD | 642 | 33 | — |
| COLMAN | COLMAN, SD | 634 | 154 | — |
| GUADALAJARA MEXICAN RESTAURANT | SPEARFISH, SD | 630 | 129 | — |
| WOONSOCKET | WOONSOCKET, SD | 618 | 147 | — |