Water Quality: SIOUX FALLS, SD
11 water systems • 222,857 people served
No Health ViolationsWater Quality Summary
SIOUX FALLS is served by 11 public water systems with a combined service population of 222,857 people, and has 48 EPA Safe Drinking Water Act violations on record. None of those violations are health-based — the records reflect missed monitoring or reporting deadlines rather than a contaminant exceeding safe levels. SIOUX FALLS's violation count is 36% below the national average for South Dakota. Contaminants associated with violations include Chlorine, Coliform (TCR).
Contaminants Found
Eye and nose irritation at high levels; long-term exposure above the MCL may cause liver and kidney damage.
Common source: Water treatment disinfectant added to kill harmful microorganisms
EPA limit: 4.0 mg/L (MRDL — Maximum Residual Disinfectant Level)
Water Systems Serving SIOUX FALLS
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SIOUX FALLS | SD4600294 | Surface Water | 216,462 | 0 |
| LINCOLN COUNTY RURAL WATER SYSTEM | SD4600304 | Groundwater | 5,965 | 0 |
| PINE LAKE HILLS | SD4600624 | Groundwater | 320 | 20 |
| SKYLINE HEIGHTS | SD4600297 | Surface Water | 110 | 28 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in South Dakota
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.