South Dakota PFAS compliance
PFAS contamination data for 500 water systems in South Dakota, serving 1,031,477 people.
Total systems
500
Exceed MCL
2
At risk
0
Compliant
53
Settlement eligible
47
South Dakota PFAS regulatory overview
State standards
South Dakota follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
SD follows federal EPA MCLs. Limited statewide PFAS data. Monitoring at Ellsworth AFB.
Regulatory agency
South Dakota follows federal EPA MCLs. PFAS monitoring at Ellsworth AFB area.
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Water systems
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| SIOUX FALLS SD4600294 | SIOUX FALLS | 216,462 | — | — | Compliant |
| RAPID CITY SD4600406 | RAPID CITY | 72,009 | — | — | Compliant |
| ABERDEEN SD4600020 | ABERDEEN | 27,989 | — | — | Compliant |
| BROOKINGS MUNICIPAL UTILITIES SD4600071 | BROOKINGS | 23,377 | — | — | Compliant |
| WATERTOWN MUNICIPAL UTILITIES SD4600356 | WATERTOWN | 23,230 | — | — | Compliant |
| WEB WATER DEVELOPMENT ASSOCIATION SD4601089 | ABERDEEN | 20,750 | — | — | Compliant |
| MITCHELL SD4600214 | MITCHELL | 15,651 | — | — | Compliant |
| YANKTON SD4600423 | YANKTON | 15,411 | — | — | Compliant |
| HURON SD4600169 | HURON | 14,263 | — | — | Compliant |
| PIERRE SD4600242 | PIERRE | 14,091 | — | — | Compliant |
| BOX ELDER SD4600046 | BOX ELDER | 14,000 | — | — | Compliant |
| MINNEHAHA COMMUNITY WATER CORP SD4600432 | DELL RAPIDS | 13,435 | — | — | Compliant |
| BY WATER DISTRICT SD4600865 | TABOR | 13,320 | — | — | Compliant |
| SPEARFISH SD4600311 | SPEARFISH | 12,193 | — | — | Compliant |
| MID-DAKOTA RURAL WATER SD4602175 | MILLER | 11,833 | — | — | Compliant |
| VERMILLION SD4600342 | VERMILLION | 11,695 | — | — | Compliant |
| RAPID VALLEY SANITARY DISTRICT SD4600274 | RAPID CITY | 11,408 | — | 5.7 | Exceeds |
| BRANDON SD4600048 | BRANDON | 11,048 | — | — | Compliant |
| HARRISBURG SD4600148 | HARRISBURG | 10,297 | — | — | Compliant |
| ELLSWORTH AFB SD4680004 | ELLSWORTH AFB | 9,100 | — | — | Compliant |
| PINE RIDGE WATER SYSTEM 084690475 | PINE RIDGE | 7,482 | — | — | Compliant |
| TEA SD4600409 | TEA | 7,381 | — | — | Compliant |
| STURGIS SD4600321 | STURGIS | 7,020 | — | — | Compliant |
| KYLE WATER SYSTEM 084690474 | PINE RIDGE | 6,526 | — | — | Compliant |
| KINGBROOK I RURAL WATER SYSTEM SD4600431 | ARLINGTON | 6,455 | — | — | Compliant |
| RANDALL COMMUNITY WATER DISTRICT SD4600433 | LAKE ANDES | 6,248 | — | — | Compliant |
| BROOKINGS-DEUEL RURAL WATER SYSTEM SD4600430 | TORONTO | 6,200 | — | — | Compliant |
| MADISON SD4600199 | MADISON | 6,191 | — | — | Compliant |
| LINCOLN COUNTY RURAL WATER SYSTEM SD4600304 | SIOUX FALLS | 5,965 | — | — | Compliant |
| BIG SIOUX COMMUNITY WATER SYSTEM SD4600429 | EGAN | 5,800 | — | — | Compliant |
| BROWN-DAY-MARSHALL RWS SD4600882 | BRITTON | 5,673 | — | — | Compliant |
| BELLE FOURCHE SD4600037 | BELLE FOURCHE | 5,617 | — | — | Compliant |
| SICANGU MNI WICONI RURAL WATER SYSTEM 084690516 | ROSEBUD | 5,610 | — | — | Compliant |
| ROSEBUD RURAL WATER SYSTEM 084690528 | ROSEBUD | 5,500 | — | — | Compliant |
| SOUTH LINCOLN RURAL WATER SYSTEM SD4600870 | BERESFORD | 5,250 | — | — | Compliant |
| GRANT-ROBERTS RURAL WATER SYSTEM SD4600864 | MILBANK | 5,050 | — | — | Compliant |
| TRIPP COUNTY WATER USER DISTRICT SD4600520 | WINNER | 4,860 | — | — | Compliant |
| CLAY RURAL WATER SYSTEM SD4600626 | WAKONDA | 4,780 | — | — | Compliant |
| WR/LJ - MNI WICONI SD4602223 | MURDO | 4,720 | — | — | Compliant |
| BLACK HAWK WATER USER DISTRICT SD4600043 | BLACK HAWK | 4,500 | — | — | Compliant |
| TM RURAL WATER DISTRICT SD4600999 | PARKER | 4,250 | — | — | Compliant |
| NPS-MOUNT RUSHMORE NATIONAL MEMORIAL SD4680046 | KEYSTONE | 4,100 | — | 10.6 | Exceeds |
| SIOUX RURAL WATER SYSTEM SD4600866 | WATERTOWN | 4,012 | — | — | Compliant |
| EAGLE BUTTE SD4600010 | EAGLE BUTTE | 4,000 | — | — | Compliant |
| DELL RAPIDS SD4600105 | DELL RAPIDS | 3,633 | — | — | Compliant |
| OGLALA RWS PIPELINE 084690480 | PINE RIDGE | 3,562 | — | — | Compliant |
| HOT SPRINGS SD4600163 | HOT SPRINGS | 3,395 | — | — | Compliant |
| MOBRIDGE SD4600215 | MOBRIDGE | 3,261 | — | — | Compliant |
| ST. FRANCIS 084690020 | ROSEBUD | 2,450 | — | — | Compliant |
| TRI-COUNTY RURAL WATER SYSTEM SD4600112 | EAGLE BUTTE | 2,190 | — | — | Compliant |
| MISSION WATER SYSTEM 084690532 | MISSION | 1,500 | — | — | Compliant |
| PHILIP SD4600238 | PHILIP | 759 | — | — | Compliant |
| WALL SD4600417 | WALL | 699 | — | — | Compliant |
| SUN VALLEY DEVELOPMENT SD4602270 | RAPID CITY | 650 | — | — | Compliant |
| TMT, INC. SD4602154 | PIERRE | 250 | — | — | Compliant |