Is South Prairie, Washington tap water safe?
5 water systems report serving South Prairie. 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
Town of South Prairie
Serves 489 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).
B
Sierra Water System
Serves 355 people · Groundwater · Full report →
No health-based violations in the last 5 years; 40 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Cascade Highlands North
Serves 119 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 (2023).
A
Elk Heights 247
Serves 98 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 (2023).
A
Cascade Highlands
Serves 93 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 (2024).