Public Water Systems
654 active water systems in SD.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| BRISTOL | BRISTOL, SD | 288 | 38 | — |
| SUMMIT | SUMMIT, SD | 288 | 218 | — |
| PRAIRIE ACRES NORTH | RAPID CITY, SD | 288 | 234 | — |
| LANGFORD | LANGFORD, SD | 283 | 9 | — |
| GOLDEN VALLEY WATER COMPANY | BLACK HAWK, SD | 283 | 58 | — |
| CSP-LEGION LAKE | CUSTER, SD | 278 | 0 | — |
| WAKONDA | WAKONDA, SD | 276 | 18 | — |
| BONESTEEL | BONESTEEL, SD | 275 | 69 | — |
| ROSCOE | ROSCOE, SD | 269 | 14 | — |
| MOUNTAIN PLAINS 2 HOMEOWNERS ASSOC | SPEARFISH, SD | 268 | 179 | — |
| PUKWANA | CHAMBERLAIN, SD | 267 | 77 | — |
| CARRIAGE HILLS | RAPID CITY, SD | 267 | 10 | — |
| CHANCELLOR | CHANCELLOR, SD | 266 | 27 | — |
| KENNEBEC | KENNEBEC, SD | 265 | 79 | — |
| HAPPY HOLIDAY RV RESORT | RAPID CITY, SD | 264 | 271 | — |
| SUNSET RANCH | PIEDMONT, SD | 263 | 90 | — |
| HENRY | HENRY, SD | 256 | 67 | — |
| SPEARFISH KOA | SPEARFISH, SD | 256 | 2 | — |
| WOODLAND HILLS SANITARY DISTRICT | BLACK HAWK, SD | 255 | 60 | — |
| SAINT ONGE SEWER & WATER CO | SPEARFISH, SD | 255 | 185 | — |
| WILLOW LAKE | WILLOW LAKE, SD | 255 | 59 | — |
| YMCA GIRAFFIC PARK | RAPID CITY, SD | 250 | 34 | — |
| WHARF RESOURCES WATER SYSTEM | LEAD, SD | 250 | 83 | — |
| MEDICINE MOUNTAIN SCOUT CAMP | RAPID CITY, SD | 250 | 36 | — |
| TMT, INC. | PIERRE, SD | 250 | 13 | Detected |
| VALLEY VIEW WATER COMPANY | PIEDMONT, SD | 248 | 59 | — |
| NEW EFFINGTON | NEW EFFINGTON, SD | 247 | 50 | — |
| EGAN | EGAN, SD | 241 | 82 | — |
| GARY | GARY, SD | 240 | 15 | — |
| SUGAR SHACK | DEADWOOD, SD | 240 | 101 | — |
| POWDER HOUSE PASS | RAPID CITY, SD | 238 | 2 | — |
| RAPID CITY RV PARK AND CG | RAPID CITY, SD | 236 | 95 | — |
| SUNNYSIDE MOBILE HOME PARK II | PIEDMONT, SD | 235 | 72 | — |
| CREEKSIDE LLC | HILL CITY, SD | 235 | 23 | — |
| DRY CREEK ESTATES | BLACK HAWK, SD | 233 | 67 | — |
| VALLEY VIEW ESTATES | SIOUX FALLS, SD | 230 | 47 | — |
| CSP-CENTER LAKE & PLAYHOUSE | CUSTER, SD | 230 | 0 | — |
| PICKSTOWN | PICKSTOWN, SD | 230 | 21 | — |
| POLLOCK | POLLOCK, SD | 229 | 30 | — |
| BLUCKSBERG MOUNTAIN #1 | PIEDMONT, SD | 223 | 54 | — |
| VIEWFIELD RURAL WATER SYSTEM | BLACK HAWK, SD | 220 | 129 | — |
| BOXELDER CIVILIAN CONSERVATION CTR | NEMO, SD | 220 | 25 | — |
| NPS-JEWEL CAVE NATIONAL MONUMENT | CUSTER, SD | 219 | 3 | — |
| FREDERICK | FREDERICK, SD | 215 | 32 | — |
| THREE FLAGS RV PARK | BLACK HAWK, SD | 215 | 8 | — |
| ALPENA | MILLER, SD | 212 | 65 | — |
| TULARE | MILLER, SD | 211 | 65 | — |
| PLAINSVIEW MOBILE MANOR | BLACK HAWK, SD | 210 | 288 | — |
| HECLA | HECLA, SD | 208 | 62 | — |
| NISLAND | NISLAND, SD | 206 | 539 | — |