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D
39

Poor Water Quality

Washington, DC 20240

District Of Columbia County · Population served: 635,565

Water Systems Serving This Area

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Eastern Navajo Agency - BIE
Groundwater · Pop. 455
PWSID: 093534001
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Dibe Yazhi Habitiin (Borrego Pass) Day School-BIE
Groundwater · Pop. 120
PWSID: 093534003
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Chi Chil Tah Jones Ranch Community School - BIE
Groundwater · Pop. 137
PWSID: 093534005
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Lake Valley Navajo School - BIE
Groundwater · Pop. 60
PWSID: 093534010
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Fort Wingate Community
Groundwater · Pop. 550
PWSID: 093534020

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
8.3
15 ppb 1 ppb Warning
Copper
1910.0
1300 ppb 300 ppb Exceeded

PFAS / Forever Chemicals

2 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFPeA4.7 pptNo standard—Unregulated
PFHxA3.1 pptNo standard400 pptUnregulated

Violation History (Last 5 Years)

110Total (5yr)
17Health-Based
61Major