PFAS in South Dakota Water
Based on EPA UCMR 5 testing of 42 public water systems in South Dakota.
See South Dakota on the national heatmap42
Systems Tested
42
With PFAS Detected
2
Above EPA Limits
5%
Exceed MCL
Most Commonly Detected PFAS in South Dakota
Systems with detections · EPA UCMR 5 (2023–2025)
lithium 41 systems
PFBA 4 systems
PFHxS 3 systems
PFOS 2 systems
PFBS 1 system
Check your South Dakota ZIP code
Get specific results for your neighborhood's water utility.
Water Systems in South Dakota (42)
| Water System ↕ | PWSID | PFAS Detected ↕ | Above MCL ↕ | Risk |
|---|---|---|---|---|
| NPS-MOUNT RUSHMORE NATIONAL MEMORIAL Groundwater | SD4680046 | 4 | 2 | High Risk |
| RAPID VALLEY SANITARY DISTRICT Surface Water | SD4600274 | 3 | 1 | High Risk |
| ABERDEEN Surface Water | SD4600020 | 2 | 0 | Low Level |
| HARRISBURG, SD Groundwater | SD4600148 | 2 | 0 | Low Level |
| LINCOLN COUNTY RURAL WATER SYSTEM Groundwater | SD4600304 | 2 | 0 | Low Level |
| WR/LJ - MNI WICONI Surface Water | SD4602223 | 2 | 0 | Low Level |
| EAGLE BUTTE Surface Water | SD4600010 | 1 | 0 | Low Level |
| BOX ELDER Groundwater | SD4600046 | 1 | 0 | Low Level |
| BRANDON Groundwater | SD4600048 | 1 | 0 | Low Level |
| BROOKINGS MUNICIPAL UTILITIES Groundwater | SD4600071 | 1 | 0 | Low Level |
| DELL RAPIDS Groundwater | SD4600105 | 1 | 0 | Low Level |
| TRI-COUNTY RURAL WATER SYSTEM Surface Water | SD4600112 | 1 | 0 | Low Level |
| HOT SPRINGS Groundwater | SD4600163 | 1 | 0 | Low Level |
| HURON MX | SD4600169 | 1 | 0 | Low Level |
| MADISON Groundwater | SD4600199 | 1 | 0 | Low Level |
| MITCHELL Surface Water | SD4600214 | 1 | 0 | Low Level |
| MOBRIDGE Surface Water | SD4600215 | 1 | 0 | Low Level |
| PHILIP Surface Water | SD4600238 | 1 | 0 | Low Level |
| PIERRE Surface Water | SD4600242 | 1 | 0 | Low Level |
| SIOUX FALLS GU | SD4600294 | 1 | 0 | Low Level |
| VERMILLION Groundwater | SD4600342 | 1 | 0 | Low Level |
| WATERTOWN MUNICIPAL UTILITIES Groundwater | SD4600356 | 1 | 0 | Low Level |
| RAPID CITY Groundwater | SD4600406 | 1 | 0 | Low Level |
| TEA Groundwater | SD4600409 | 1 | 0 | Low Level |
| WALL Groundwater | SD4600417 | 1 | 0 | Low Level |
| YANKTON Groundwater | SD4600423 | 1 | 0 | Low Level |
| BIG SIOUX COMMUNITY WATER SYSTEM Groundwater | SD4600429 | 1 | 0 | Low Level |
| BROOKINGS-DEUEL RURAL WATER SYSTEM Groundwater | SD4600430 | 1 | 0 | Low Level |
| KINGBROOK I RURAL WATER SYSTEM Groundwater | SD4600431 | 1 | 0 | Low Level |
| MINNEHAHA COMMUNITY WATER CORP Groundwater | SD4600432 | 1 | 0 | Low Level |
| RANDALL COMMUNITY WATER DISTRICT Surface Water | SD4600433 | 1 | 0 | Low Level |
| CLAY RURAL WATER SYSTEM Groundwater | SD4600626 | 1 | 0 | Low Level |
| GRANT-ROBERTS RURAL WATER SYSTEM Groundwater | SD4600864 | 1 | 0 | Low Level |
| BON HOMME-YANKTON RWS Surface Water | SD4600865 | 1 | 0 | Low Level |
| SIOUX RURAL WATER SYSTEM Groundwater | SD4600866 | 1 | 0 | Low Level |
| SOUTH LINCOLN RURAL WATER SYSTEM Groundwater | SD4600870 | 1 | 0 | Low Level |
| BROWN-DAY-MARSHALL RWS Groundwater | SD4600882 | 1 | 0 | Low Level |
| TM RURAL WATER DISTRICT Groundwater | SD4600999 | 1 | 0 | Low Level |
| WEB WATER DEVELOPMENT ASSOCIATION Surface Water | SD4601089 | 1 | 0 | Low Level |
| TMT, INC. Surface Water | SD4602154 | 1 | 0 | Low Level |
| MID-DAKOTA RURAL WATER Surface Water | SD4602175 | 1 | 0 | Low Level |
| ELLSWORTH AFB Surface Water | SD4680004 | 1 | 0 | Low Level |
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