Corps of Engineers Reduces The Chance of Green River Flooding from 33% to 4%

The U.S. Army Corps of Engineers reports that repairs to the Howard Hanson Dam have dramatically reduced the chance of flooding in the Green River Valley this winter. The installation of a grout curtain in the dam is slowing the seepage through a damaged abutment. The Corps of Engineers’ officials indicated that if heavy rains raised the water levels in the dam, the Corps of Engineers may have to release water so that the dam does not collapse. The Green River Valley is the West Coast’s second largest manufacturing and distribution center located southeast of Seattle.

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