Video: Monroe Fish Passage Testing

December 9, 2020

An overview of fish passage tests conducted with PNNL at our hydropower plant in Monroe, Oregon in the fall of 2020.

Turbine: 190cm diameter RHT at 5m head, 130 rpm
Quantity: 60 treatment, 59 control releases
Species: Rainbow trout, 200-400 mm length
Results: 100% immediate and 48h survival of turbine-passed fish

For more information on our fish passage testing, please visit

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