Is Lake Barrington, Illinois tap water safe?
2 water systems report serving Lake Barrington. Your water depends on which one serves your address. Check your bill if unsure.
B
Lake Barrington Shores Subdivsion
Serves 2,300 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Lake Barrington
Serves 500 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2025).