Navajo Nation
Water quality data from the EPA Safe Drinking Water Information System
Lead Risk: Caution
Water Systems
72
Active public water systems
Population Served
0
Residents with piped water
Lead Violations
1
Systems exceeding 15 ppb
Copper Violations
1
Lead & Copper Rule
Average Lead Level
4.34 ppb
EPA Action Level: 15 ppb
MCLG (health goal): 0 ppb
0 ppbAction Level: 15 ppb
Average across 29 systems with reported lead data.
Violations Detected
2 water systems in Navajo Nation have reported violations under the Lead and Copper Rule. These utilities are required to notify customers and take corrective action.
1 lead violations1 copper violations
Water Source Types
Groundwater38 (53%)
Unknown29 (40%)
Purchased Groundwater4 (6%)
Surface Water1 (1%)
Data source:EPA Safe Drinking Water Information System (SDWIS), Lead and Copper Rule monitoring data. Lead levels represent 90th percentile results from the most recent monitoring period. Violations indicate exceedances of EPA action levels requiring corrective action. This tool is for informational purposes only and does not replace your utility's official Consumer Confidence Report.