Three parasites (Ceratomyxa shasta, Cryptobia salmositica, and Haemogregarina irkalukpiki) were identified as posing the greatest threat to the fisheries resources of the immediate area and also to the downstream areas.
Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River | Tocantins River |
The reservoir is fed by the Finlay, Omineca, Ingenika, Ospika, Parsnip, Manson, Nation and Nabesche Rivers and by Clearwater Creek, Carbon Creek, and other smaller creeks.
Their territory includes the Finlay and Parsnip River drainages of the Rocky Mountain Trench.