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The Anacostia Watershed lies within the Chesapeake Bay drainage basin, and is one of the most urban watersheds within the basin. According to the Fish and Wildlife Service, the watershed spans over 175 square miles between Maryland and the District of Columbia and is considered by many to be one of the most degraded waterways in the United States. Watts Branch is a tributary stream of the Anacostia River, and flows into the Potomac River which eventually empties into the Chesapeake Bay. In 2010, several partnerships were formed to restore a section of the Watts Branch stream and riparian area. The restoration efforts were focused on a highly polluted 1.8 mile stretch of the stream, running from the border of Prince...
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Background information. The Dinero Tunnel, which extends approximately 3,000 feet from the surface to the Dinero Shaft, was used in the late 1800s to mine primarily for silver. In more recent years, the tunnel, located approximately five miles west of Leadville, Colorado, began to discharge acid mine drainage into Sugarloaf Gulch, a tributary to the Lake Fork River which ultimately drains into the upper Arkansas River. Consequently, acid mine drainage from the Dinero Tunnel has significantly affected downstream waters, including a wet meadow and beaver pond complex. Occasionally, the Dinero Tunnel experienced blowouts that developed when temporary pressure would build up behind a blockage in the tunnel, which would...
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Background information.—The Powell River watershed has a long history of coal mining. Prior to August 3, 1977, Virginia laws and regulations required the reclamation of areas affected by coal surface mining, but there were no regulations addressing reclamation of underground mines. Flows or seeps from these abandoned mines have long degraded the waters of the Powell River watershed (U.S. Department of Agriculture, 2008). Water that is discharged from these sites can be highly acidic and it commonly contains high concentrations of dissolved iron and aluminum sulfates. This acid mine drainage degrades the water quality of streams and water supplies and is a major contributor to aquatic habitat degradation. Led by...
Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Acid mine drainage (AMD) abatement, Acid mine drainage abatement, Aquatic, Barren/rock, Daniel Boone Soil and Water Conservation District, All tags...


    map background search result map search result map Lone Mountain NRDAR Acid Mine Drainage Restoration California Gulch NRDAR Dinero Tunnel Acid-Mine Drainage Pathway Elimination Restoration Watts Branch Urban Stream Restoration Watts Branch Urban Stream Restoration Lone Mountain NRDAR Acid Mine Drainage Restoration California Gulch NRDAR Dinero Tunnel Acid-Mine Drainage Pathway Elimination Restoration