Water Quality: BLACK HAWK,HOT SPRINGS, SD

2 water systems • 340 people served

No Health Violations
22
Total Violations
0
Health-Based Violations
2
Water Systems
340
Population Served

Water Quality Summary

BLACK HAWK,HOT SPRINGS is served by 2 public water systems with a combined service population of 340 people, and has 22 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. BLACK HAWK,HOT SPRINGS's violation count is 71% below the national average for South Dakota. Contaminants associated with violations include Chlorine, TTHM, Total Haloacetic Acids (HAA5).

Contaminants Found

Chlorine

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)

TTHM

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)

Total Haloacetic Acids (HAA5)

Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.

Common source: Reaction of chlorine disinfectants with organic matter in treated water

EPA limit: 0.060 mg/L (60 ppb)

Water Systems Serving BLACK HAWK,HOT SPRINGS

System Name PWSID Source Population Violations
SPRING CREEK ACRES SD4602252 Groundwater 172 0
RUSHMORE RANCH ESTATES SD4602212 Groundwater 168 22

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

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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.

Verify at epa.govSearch ECHO for SD