51 



Currant Harbor Dredging and Fi*h Survival 56 



Pirmti» in the Lower Cbahalia 56 



CHEHALIS-CENTRALIA TEMPERATURE AND OXYGEN BLOCK 56 



Taaperature 57 



Oxygen 



58 



Effect* on Tiah 59 



Total Maximum Daily Load Proeaaa 59 



DAMS AND DIVERSIONS 60 



Wynoochee Dam 60 



Skookumchuck Daa 61 



Hoouiam River System Dam* 62 



Water Withdrawal 62 



Worth Fork Hewaukum 63 



Wrnoochee River 63 



Agricultural Irrigation Withdrawal* 64 



FOREST PRACTICES 65 



Splaah Dam* 65 



Logging-aasociated Land«lide* 65 



Sedimentation . ......... 65 



Stream Clearance 66 



Forettry Chemical* 66 



Currant Forast Practice* 66 



AGRICULTURE 67 



Oraxing Practice* 67 



Sedimentation 67 



Agricultural Pollution 67 



Aquaculture 67 



URBANIZATION AND INDUSTRIALIZATION 68 



Stormwater Runoff 68 



Bank Hardening 68 



Municipal Sewage 69 



Septic Syatem Leakage 69 



Industrial Chemical Storage and Disposal 70 



Log Storage Runoff 70 



Land Application of Food Processing Haste 70 



GRAVEL MINING • 70 



SEDIMENTATION 71 



EFFECTS OF FISHING 71 



Bycatch 71 



Interception 72 



Terminal Area Fisheries 72 



Poaching 73 



LOCATION, QUANTITY, AND UTILIZATION OF EXISTING 



HABITAT 73 



Adult Holding Habitat 74 



Spawning Habitat 74 



Juvenile Rearing Habitat 74 



Freshwater Rearing 74 



Bstuarine Rearing .... 75 



ANTICIPATED HABITAT PROBLEMS 76 



Central!* Area Flood Control 76 



Satsop Knergv Development 76 



vii 



