Is Colchester, Illinois tap water safe?
2 water systems report serving Colchester. Your water depends on which one serves your address. Check your bill if unsure.
A
West Prairie Water Co-Op
Serves 2,395 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Colchester
Serves 1,395 people · Surface water · 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).