Is Foss, Oklahoma tap water safe?
2 water systems report serving Foss. 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
Foss
Serves 127 people · Surface water · Full report →
1 health-based violation in the last 5 years; 109 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
A
Foss Reservoir McD
Serves 12 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 (2024).