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PORT ANGELES (October 16, 2008) – There was a sense of urgency when tribal, state and federal biologists recently snorkeled for 5,000 freshwater mussels along the bottom of a 300-foot-long shallow side channel of the Elwha River. A dredge was slated the next day to dig up the side channel as part of construction of the Elwha Water Treatment Facility.
This mussel rescue was part of larger efforts to prepare the Elwha River for the removal of its two fish-blocking dams; the 108-foot-tall Elwha Dam and the 210-foot-tall Glines Canyon Dam will be removed starting in 2012. The new treatment plant will help filter out river sediment that will be released after the dams are removed. (more…)