Estimated Loads of Suspended Sediment and Selected Trace Elements Transported Through the Milltown Reservoir Project Area Before and After the Breachi

Estimated Loads of Suspended Sediment and Selected Trace Elements Transported Through the Milltown Reservoir Project Area Before and After the Breachi

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Description

This report presents estimated daily and cumulative loads of suspended sediment and selected trace elements transported during water year 2008 at three streamflow-gaging stations that bracket the Milltown Reservoir project area in the upper Clark Fork basin of western Montana. Milltown Reservoir is a National Priorities List Superfund site where sediments enriched in trace elements from historical mining and ore processing have been deposited since the construction of Milltown Dam in 1907. Milltown Dam was breached on March 28, 2008, as part of Superfund remedial activities to remove the dam and contaminated sediment that had accumulated in Milltown Reservoir. The estimated loads transported through the project area during the periods before and after the breaching of Milltown Dam, and for the entire water year 2008, were used to quantify the net gain or loss (mass balance) of suspended sediment and trace elements within the project area during the transition from a reservoir environment to a free-flowing river. This study was done in cooperation with the U.S. Environmental Protection Agency.show more

Product details

  • Paperback | 44 pages
  • 189 x 246 x 2mm | 95g
  • Bibliogov
  • Charleston SC, United States
  • English
  • black & white illustrations
  • 1243636092
  • 9781243636096