Is Manderson, South Dakota tap water safe?
2 water systems report serving Manderson. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
A
White Horse Creek Water System
Serves 1,690 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
C
Wounded Knee District School
Serves 280 people · Surface water · Full report →
1 health-based violation in the last 5 years; 8 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).