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Leaky Hyatt Dam To Get Drain As Part Of Earthquake Retrofit Project


Federal reservoir managers plan a $3.7 million seismic retrofit to the dam at Hyatt Lake this summer, shoring up the dam’s leaky base to withstand any big shake from an earthquake.

The federal Bureau of Reclamation is finishing up plans for a stabilizing berm and a drain-filter system at the 56-year-old earthen dam’s outside base to keep leaking water from pooling and weakening the dam’s base.

 The work is expected to bring the dam into safety compliance after the seepage issue was discovered during a 2009 inspection of the dam in the Greensprings area east of Ashland.

“It’s getting out ahead of some perceived seismic event,” said Greg Garnett, the bureau’s field office manager in Bend, which oversees operations of the bureau’s Rogue Valley projects.

Read more at the Medford Mail Tribune.

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