Is Johnson Ranch, Arizona tap water safe?
2 water systems report serving Johnson Ranch. Your water depends on which one serves your address. Check your bill if unsure.
B
Epcor - San Tan
Serves 87,435 people · Groundwater · Full report →
No health-based violations in the last 5 years; 32 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
C
Epcor - San Tan Anthem
Serves 10,362 people · Groundwater · Full report →
No health-based violations in the last 5 years; 5 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2023).