The nearly 100-year-old dam is the number one fish passage barrier in the Tualatin Basin. It’s set to be removed this summer.
A major barrier to threatened fish is scheduled to be removed in rural Washington County. The Balm Grove Dam was built approximately a century ago, primarily to secure water recreation for local residents along Gales Creek.
Salmon, steelhead, and Pacific lamprey populations are struggling to adapt to the Earth’s warming climate. Low flow and warming waters drive the fish farther upstream during warm Oregon summers.
“It’s considered the number one fish passage barrier in the Tualatin Basin,” said Scott McEwen, the executive director of the
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