Is Round Rock, Navajo Nation tap water safe?
2 water systems report serving Round Rock. Your water depends on which one serves your address. Check your bill if unsure.
A
Round Rock NTUA
Serves 876 people · Groundwater · 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 (2025).
C
Round Rock Elementary School
Serves 396 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 12 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).