Is Washington, Indiana tap water safe?
2 water systems report serving Washington. Your water depends on which one serves your address. Check your bill if unsure.
B
Washington Water Works
Serves 13,690 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2023).
A
Daviess County Rural Water
Serves 7,969 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).