Howard A. Hanson Dam is an earthen embankment dam on the Green River, 21 miles (34 km) east of Auburn, Washington. The dam was completed in 1961 and its primary purpose is flood control along with water supply for Tacoma, Washington. After the dam's reservoir reached record levels in January 2009, the U.S. Army Corps of Engineers discovered seepage in the right abutment of the dam, leading to efforts to mitigate a potential flood. Improved drainage works were completed in October 2011 and although studies are still underway, the dam was declared safe to maintain its maximum reservoir level.
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| - Howard A. Hanson Dam is an earthen embankment dam on the Green River, 21 miles (34 km) east of Auburn, Washington. The dam was completed in 1961 and its primary purpose is flood control along with water supply for Tacoma, Washington. After the dam's reservoir reached record levels in January 2009, the U.S. Army Corps of Engineers discovered seepage in the right abutment of the dam, leading to efforts to mitigate a potential flood. Improved drainage works were completed in October 2011 and although studies are still underway, the dam was declared safe to maintain its maximum reservoir level. (en)
- Der Howard A. Hanson Dam ist ein Erd-Staudamm am Green River im King County im US-Bundesstaat Washington, 34 km östlich von Auburn. Der Damm wurde 1961 fertiggestellt; seine primären Zwecke sind der Hochwasserschutz und die Wasserversorgung für Tacoma. (de)
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| - Howard A. Hanson Dam (en)
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| - Howard A. Hanson Dam (en)
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| - Der Howard A. Hanson Dam ist ein Erd-Staudamm am Green River im King County im US-Bundesstaat Washington, 34 km östlich von Auburn. Der Damm wurde 1961 fertiggestellt; seine primären Zwecke sind der Hochwasserschutz und die Wasserversorgung für Tacoma. Nachdem der Stausee 2009 Rekordhöhen erreicht hatte, entdeckte das U.S. Army Corps of Engineers eine Sickerstelle am rechten Abschluss des Damms, was zu Anstrengungen zur Vermeidung eines potenziellen Hochwassers führte. Die Arbeiten zur Verbesserung der Ableitung wurden im Oktober 2011 abgeschlossen und obwohl noch immer Untersuchungen angestellt werden, wurde der Damm für sicher erklärt, das maximale Stauvolumen zu halten. (de)
- Howard A. Hanson Dam is an earthen embankment dam on the Green River, 21 miles (34 km) east of Auburn, Washington. The dam was completed in 1961 and its primary purpose is flood control along with water supply for Tacoma, Washington. After the dam's reservoir reached record levels in January 2009, the U.S. Army Corps of Engineers discovered seepage in the right abutment of the dam, leading to efforts to mitigate a potential flood. Improved drainage works were completed in October 2011 and although studies are still underway, the dam was declared safe to maintain its maximum reservoir level. (en)
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