Water Quality: EGAN, SD
2 water systems • 6,041 people served
No Health ViolationsWater Quality Summary
EGAN is served by 2 public water systems with a combined service population of 6,041 people, and has 8 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. EGAN's violation count is 89% below the national average for South Dakota. Contaminants associated with violations include Chlorine.
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 EGAN
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| BIG SIOUX COMMUNITY WATER SYSTEM | SD4600429 | Groundwater | 5,800 | 0 |
| EGAN | SD4600115 | Groundwater | 241 | 8 |
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.