Is Diamond, Ohio tap water safe?
1 water system report serving Diamond. 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.
C
Jackson/Milton Metro Water District PWS
Serves 3,728 people · Surface water · Full report →
No health-based violations in the last 5 years; 5 monitoring/reporting violations; 1 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Lead 90th percentile below the action level (2026).