PlainWater
States → Navajo Nation

White Mesa NTUA

PWS ID: NN0400209 · Fort Defiance, Navajo Nation 86504-0170

Population Served
496
Total Violations
96
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
145
School/Daycare
No
MCL Violations
0
Monitoring Violations
93
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 14 2024
Total Haloacetic Acids (HAA5) MR 10 2020
TTHM MR 10 2020
1,2,4-Trichlorobenzene MR 2 2011
cis-1,2-Dichloroethylene MR 2 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2011
ETHYLENE DIBROMIDE MR 2 2011
Xylenes, Total MR 2 2011
DICHLOROMETHANE MR 2 2011
o-Dichlorobenzene MR 2 2011
p-Dichlorobenzene MR 2 2011
Vinyl chloride MR 2 2011
1,1-Dichloroethylene MR 2 2011
1,2-Dichloroethane MR 2 2011
1,1,1-Trichloroethane MR 2 2011
Carbon tetrachloride MR 2 2011
Trichloroethylene MR 2 2011
1,1,2-Trichloroethane MR 2 2011
Benzene MR 2 2011
Toluene MR 2 2011
Styrene MR 2 2011
Tetrachloroethylene MR 2 2011
1,2-Dichloropropane MR 2 2011
CHLOROBENZENE MR 2 2011
Ethylbenzene MR 2 2011
trans-1,2-Dichloroethylene MR 2 2011
Barium MR 1 2011
Cadmium MR 1 2011
Chromium MR 1 2011
CYANIDE MR 1 2011
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.