action action alert California cannabis cannabis cultivation Cape Horn Dam CEQA Chinook climate change comments dam removal dam safety diversion drought EcoNews EcoNews Report Eel River Eel River Canyon Eel River Dams Endangered Species Endangered Species Act FERC Great Redwood Trail groundwater Humboldt County Hydropower Klamath river land use low flows NCRA North Coast Railroad Authority Oroville Dam PG&E Potter Valley Project radio regulation Russian River salmon Scott dam sediment steelhead video water diversion water quality water rights