| Report identifies seepage issues for proposed dam site |
| 20 September 2007 |
The US Bureau of Reclamation has released a technical report that presents the findings of a water seepage study for the prospective Black Rock reservoir in Central Washington, US.
The project is one of the alternatives being evaluated by USBR and the Washington Department of Ecology as part of a study to investigate opportunities to increase water storage capacity and improve conditions for fish in the Yakima River Basin.
The report estimates a range of volume and direction of seepage that might be expected if the Black Rock reservoir were to be constructed. The report is available online at: http://www.usbr.gov/pn/programs/storage_study/index.html.
The analysis indicates that a majority of seepage from the proposed Black Rock reservoir site would move in the direction of the Hanford Nuclear Reservation. The modelling is based on previous hydrogeologic studies of the Columbia Plateau and also incorporates results of recent geologic drilling and aquifer testing by USBR at the proposed dam site.
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