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  • Draft EA - Water Treatment Improvements, Whitehall, MT

    Expiration date: 8/15/2020

    The draft EA evaluates a proposal to improve an existing city building to accommodate the installation of a new ion exchange water treatment system to address uranium in the water supply. The project would also include making improvements to an existing water tank and distribution system. The purpose of the project is to provide clean drinking water to the residents of Whitehall by removing excess levels of arsenic and uranium.

  • Draft EA - Sorenson Water Intake Project (White Horse, LLC)

    Expiration date: 6/26/2020

    The draft EA evaluates the use of surplus water and the environmental impacts of constructing an industrial water intake to allow 1,000 acre-feet (maximum withdrawal rate of 2,100 gallons per minute) to be used by White Horse Water, LLC for oil and gas development.

  • Draft EA - Gavins Point Dam Underseepage Control Measures

    Expiration date: 5/27/2020

    The draft environmental assessment analyzes impacts of a proposal to implement additional underseepage control measures at Gavins Point Dam near Yankton, SD.

  • Platte River Bank Emergency Repairs - Draft EA

    Expiration date: 1/3/2020

    The draft environmental assessment evaluates impacts of a proposed breach repair along the Platte River bank just upstream of the confluence with the Missouri River near Plattsmouth, Nebraska. This repair is an emergency action in response to damage caused during the March 2019 flood event.

  • Schriever Air Force Base Channel Improvement Environmental Assessment

    Expiration date: 2/3/2016

    Schriever Air Force Base is proposing to improve two drainage channels on the southern perimeter of the base in order to control stormwater flows.