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Navajo Nation
County NN017 County, Navajo Nation
Water Systems
27
Population Served
26,234
Total Violations
4,391
PFAS Detected
4
of 4 tested
Water Systems
System Name
Population
Violations
PFAS
Pinon-District 4 NTUA
5,195
59
Detected
Dilkon-Indian Wells-Greasewood-White Cone NTUA
4,986
223
Detected
Kayenta NTUA
3,844
258
Detected
Kayenta Sandstone Housing
1,375
304
—
Chilchinbeto NTUA
1,276
50
—
Shonto Junction NTUA
1,146
57
—
Jeddito NTUA
1,105
121
—
Hard Rock NTUA
982
74
—
Greasewood Springs Community Boarding School BIA
720
216
Detected
Shonto Preparatory Boarding School BIA
664
106
—
Kayenta Community Boarding School BIA
500
124
—
Pinon Community Dormitory School BIA
500
37
—
Dilcon Community Boarding School BIA
473
114
—
Peabody Western Coal Company - Black Mesa Mines
420
106
—
Kitsillie-Black Mesa NTUA
414
35
—
Shonto NTUA
397
35
—
Low Mountain Boarding School BIA
339
163
—
Long House Valley NTUA
277
33
—
Monument Valley Navajo Tribal Park
275
117
—
Rocky Ridge Boarding School BIA
250
163
—
Seba Dalkai Boarding School BIA
250
191
—
Forest Lake NTUA
233
45
—
White Post Mission NTUA
185
1,145
—
Cottonwood Day School BIA
185
113
—
Chilchinbeto Community Day School BIA
138
143
—
Sanostee (New) Day School BIA
80
11
—
Navajo National Monument
25
348
—