Water Quality: MADISON, SD
2 water systems • 6,191 people served
No Health ViolationsWater Quality Summary
MADISON is served by 2 public water systems with a combined service population of 6,191 people, and has 72 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. MADISON's violation count is roughly in line with the national average for South Dakota. Contaminants associated with violations include TTHM.
Contaminants Found
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Water Systems Serving MADISON
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MADISON | SD4600199 | Groundwater | 6,191 | 72 |
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.