Is Rough Rock, Navajo Nation tap water safe?
2 water systems report serving Rough Rock. Your water depends on which one serves your address. Check your bill if unsure.
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Rough Rock NTUA
Serves 455 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).
A
Rough Rock Demonstration School Bia
Serves 200 people · Groundwater · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).