Uranium and Radiation on the Navajo Nation
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Uranium is found naturally in the earth in small amounts. In
some areas, the uranium is found in amounts high enough to
mine, such as on the Navajo Reservation. Because of uranium
mining in the past, some soil, water, rocks, and structures on the
Navajo Nation have unsafe levels of uranium.
Contact with high levels of uranium can cause health
problems — including kidney damage.
Radiation is a type of energy that comes from uranium and other
natural materials such as radium and radon. Radiation is also
found naturally in small amounts. There are unsafe levels of
radiation on Navajo Nation because of past uranium mining.
Exposure to radiation can cause health problems such as cancer
if people are exposed to it in large enough amounts.
Take steps to keep yourself safe:
Use good water hauling practices to keep your
water clean.
Never use unregulated water for human needs —
even if it looks ok.
y^) Use regulated water for human needs.
Find out if your home is a contaminated structure.
yfj Stay away from abandoned mines and mills.



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Stay away from abandoned mines and mills.
The land around abandoned mines and mills is contaminated with uranium, and
mining and milling wastes and can have high levels of radiation. You can learn
locations of mines and mills from uranium awareness posters in your Chapter House
and IHS clinics. Keep out of these dangerous areas.
•	Never build, play, ride ATVs, or make corrals at mine sites
•	Never gather plants or take gravel, dirt, sand, or water from mine sites
•	Never grow plants or raise and graze livestock at or around mine sites
KEEP OUT
Ba'ha'dzid - Doo Ko'ne'na'adaa'da
Abandoned Uranium Mines
NOilB AT MINES
& i@\\ Contact Navajo Supertund Program
ISK'J ,or ln(ormation at 1-800-314-1846
or US EPA at 1 -800-231 -3075
If you must graze livestock around mine sites, don't use or eat the liver, kidney, or bones - these
are the parts of the animals that take up the most uranium when uranium is present.
If you have questions about abandoned mines, location of mines, or U.S. EPA cleanup activities, call:
•	Navajo Abandoned Mine Lands Reclamation: Window Rock at (928) 871 -6982, Shiprock at (505)
368-1220, Tuba City at (928) 871-6982
•	Navajo Nation Environmental Protection Agency (EPA) Superfund Program at (800) 314-1846
•	U.S. Environmental Protection Agency (U.S. EPA) at (800) 231-3075
^} Find out if your home is a contaminated structure.
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Some homes and other structures were built with materials from uranium
mines or mills. These materials can give off radiation and radon gas. If you
are concerned that your home is made from contaminated materials the
Navajo Contaminated Structures Program can help.
If you have questions about your home construction, call:
• Navajo Nation EPA Superfund Contaminated Structures Program
at (800)314-1846

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) Use regulated water for human needs.
Regulated water is monitored and treated to meet U.S. EPA and
Navajo Nation EPA drinking water standards for uranium and other
contaminants. It is safe to drink and to use for other human needs.
Regulated water is:
•	Piped into your home
•	Located at a regulated watering point — usually near Chapter
Houses
This means if you have running water in your home, use it for human needs. If you don't like
how your water tastes or looks, you can try a filter.
p\ Never use unregulated water for human
J needs - even if it looks ok.
WATER FROM
THIS WELL
IS NOT SAFE
TO DRINK
This water has been tested and found
to exceed Navajo EPA and U.S.EPA
human drinking water standards for
uranium or other contaminants.
Navajo Nation policy is that livestock-
use-only wells are not to be used for
human drinking water.
Dff to baa'at'e'hdlom'gff bininaa baa'akonosin!
Water from Well 10T-241A*
in Many Farms Chapter
is NOT safe to drink
*Uranium exceeds drinking water standard
Navajo Nation Environmental Protection Agency
U.S. Environmental Protection Agency Region-9
Navajo Nation Division of Health
Navajo Nation Veterinary & Livestock Program
Dine Network for Environmental Health (DiNEH) Project
Call 928-871-7755 or visit wv/w.navaiopublicwater.org
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Navajo Nation policy is that livestock-use-only wells are not to
be used for human drinking water.
Unregulated water is any water that is not
piped to your home or does not come
from a regulated watering point. Livestock
wells are one common example of an
unregulated water source that should not
be used for human needs. Unregulated
water isn't safe for:
•	Drinking
•	Cooking
•	Bathing
•	Washing fruits and vegetables
•	Cleaning clothes
If you have questions about regulated water, call:
•	Navajo Tribal Utility Authority (NTUA) at (800) 528-5011
If you have questions about unregulated water sources, call:
•	Navajo Department of Water Resources at (928) 729-4003
•	Navajo Public Water Systems at (928) 871-7755

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\ Use good water hauling practices
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If you haul water for human needs:
•	Use only regulated watering points as a water
source for people
•	Use only containers and hoses approved for
human drinking water
•	Always clean hoses and containers before you
use them
•	If you haul for livestock, use separate hoses and
containers for livestock water than you use for
human water
If you have questions about safe water hauling, call Navajo Public Water Systems
at (928) 871-7755.
Learn more by reading the fact sheet Uranium and Radiation on the Navajo
Nation: YOUR HEALTH.
December 2014

Navajo
EPA"
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