Is Eldorado, Oklahoma tap water safe?
2 water systems report serving Eldorado. 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.
B
Harmon Water Corp
Serves 1,132 people · Groundwater · Full report →
No health-based violations in the last 5 years; 24 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
B
Eldorado
Serves 446 people · Surface water · Full report →
No health-based violations in the last 5 years; 10 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).