Related by context. Frequent words. (Click for all words.) 54 hydroelectric dams 54 PacifiCorp 54 Milltown Dam 54 Klamath River 53 Snake River dams 52 dams 52 Pacificorp 51 Suisun Marsh 50 sediment runoff 50 hydropower dam 49 Elwha River 49 toxic algae blooms 49 Friant Dam 49 Karuk Tribe 49 Willapa Bay 49 endangered salmon 49 relicensing 48 PPL Montana 48 Elwha 48 contaminating groundwater 47 hydropower dams 47 dam 47 nonnative fish 47 polluted groundwater 46 headwater streams 46 mainstem 46 tributary streams 46 Shasta Dam 46 Blackfoot River 46 Tuolumne River 46 coal slurry 46 Snake rivers 46 spawning habitat 45 Skokomish River 45 headwaters 45 Penobscot River 45 Yakama Indian 45 salmon steelhead 45 Bradwood 45 Columbia Generating Station 45 contaminated sediments 45 migratory fish 45 hydroelectric dam 45 Yakama Nation 45 Middle Fork 45 Upper Klamath 45 environmentalists 45 watersheds 45 Klamath 45 fish hatchery 45 endangered species protections 44 Nez Perce Tribe 44 UPPCO 44 Skokomish 44 fishway 44 hydro dams 44 salmon fishery 44 marbled murrelet 44 Chetco River 44 migrating salmon 44 Budd Inlet 44 aquifer recharge 44 hydroelectric 44 groundwater 44 Snake River 44 Klamath Basin 44 clearcutting 44 Columbia Riverkeeper 44 Coeur Alaska 44 Energy Regulatory Commission 44 pollute groundwater 44 EBMUD 44 Taum Sauk 44 salmon 44 Millerton Lake 43 Hetch Hetchy 43 groundwater pumping 43 melting snowpack 43 Bradwood Landing 43 Bonneville Power Administration 43 wastewater discharge 43 Canyon Dam 43 damming 43 coho salmon 43 tidal marsh 43 Baykeeper 43 Clean Water Act 43 hydro electric dam 43 Sierra Club 43 Grand Coulee Dam 43 Indian tribes 43 FERC 43 Taum Sauk reservoir 43 tailing ponds 43 Controlled burns 43 coffer dam 43 spawning salmon 43 riverkeeper 43 TANC 43 Riverkeepers 42 headwater