Groundwater and Surface Water Interactions
Groundwater and Surface Water Interactions
As part of most groundwater assessments we conduct hydrologic analyses to better understand and quantify the connections between groundwater and surface water. We conduct intensive site-scale investigations to better understand the exchange of surface water and groundwater; and we integrate that information into computer models that simulate the connections over larger scales. The tools and information provided help our partners more effectively allocate new water resources while limiting conflicts between new and old water-right holders and instream flows.
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Colville River Basin
The Colville River Basin is a 1,007-square-mile area located in Stevens County in northeastern Washington. Following the guidelines of Washington's Watershed Management Act of 1998, water-resource planning in the basin is being conducted within a Water Resources Inventory Area (WRIA). Local citizens representing a wide range of water resource interest groups, together with local, state, and...
GW/SW Interactions
Knowing the interactions of ground water and river water can help reduce the fluctuation of water supplies in alluvial (sediment-deposit) river basins. To develop general principles of these interactions in order to identify and analyze them, the USGS is reviewing the results of the numerous studies of these interactions in Pacific Northwest basins. The review will describe common geologic aspects...
Methow River Basin
The Methow River Basin, located in North Central Washington in Okanogan County, is well known for its natural beauty, wildlife, outdoor recreation, and rural lifestyle. The Methow River and its tributaries are home to upper Columbia summer steelhead and spring Chinook salmon, which are both listed as endangered under the Endangered Species Act (ESA), and bull trout, which is listed as threatened...
White River Videography
The quantity and quality of instream habitat is one of many factors affecting aquatic organisms such as anadromous and non-anadromous salmonids. The measurement and assessment of instream habitat has been the focus of many habitat monitoring and restoration projects throughout the State of Washington. On-the-ground habitat monitoring is extremely important for specific variables and specific...