“Report of Radioactive Pollution in the State’s Water”


“Report of Radioactive Pollution in the State’s Water”

“Uranium activity as far south as Yankton”

Rapid City, SD– For the past five years, Defenders of the Black Hills, an environmental organization, has been quietly conducting water tests on rivers in the Region. Now their information is compiled in a report being sent to the Great Plains Tribal Chairmen’s Association and mayors from towns along the Missouri River.

Although not an extensive account, due to the high cost of getting an analysis on uranium and other radioactive emissions, the purpose is to show the need for more research on all drinking water sources in order to protect the public.

Starting with communities along the Grand River in the northern part of the state, the report shows radioactive pollution entering the Missouri River at the mouth of the Grand River. Following that path to the Lower Brule Reservation, the tests also show radioactive contamination in household drinking water. In Yankton, the results taken from the Municipal Building, show the uranium is coming from man-made sources.

In the western part of the state, nearer to past uranium mining sites, Angostura Reservoir shows high incidences of Thorium, a radioactive decay product of Uranium. In 2006, the SD Department of Environment and Natural Resources reported uranium exceeding the drinking water Maximum Contaminant Level was entering the Cheyenne River at the South Dakota – Wyoming border which would flow into the Angostura Reservoir. Although not used for drinking water purposes, the radioactivity can enter human bodies when swimming, boating, or also from breathing radon gas in the water, another decay product further down the chain from Thorium. Many old and current uranium mining sites are near the headwaters of the Cheyenne River in Wyoming. The Cheyenne River also empties into the Missouri River.

Although radioactive pollution is appearing in the water samples taken on the Pine Ridge Reservation, the water source is not from a river but from deep, underground wells. The entire Northern Plains region has naturally occurring uranium which can contaminate well water.

As Defenders of the Black Hills is a non-profit, 501(c)3. Corporation, the water analyses were funded by donations. The report is available to the public for copying and postage costs.


For more information, contact Charmaine White Face, Coordinator at bhdefenders@msn.com
Defenders of the Black Hills
PO Box 2003, Rapid City, SD Phone: (605) 399-1868



About kiwihighlander

I was born in New Zealand (Kiwi) I do not necessarily agree with or endorse all of the views presented here. This is a learning curve! I have a wide range of interesting trivia or facts on a variety of topics with-in this blog, also like to show a presentation of some of my photography & art. Hope your day has been kind :-)
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One Response to “Report of Radioactive Pollution in the State’s Water”

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