OCR Text |
Show Table C- 20 ' ' Comparison of Streams Subjected to Reduced Flows by the Bonneville Unit to the State Fishery Resource and Illustration of the Beneficial Effects of Stream Gains on Uinta Basin Streams State _/ Bonneville Unit Streams Percentage 0 Adverse 1y f State Resource Affect by Unit Miles of Affected Mi les of Hab itat Severely Stream Quali ty Exi sting Mi les of Miles of Rec uced Flow Stream Having Or Exceeding Reduced in Quali ty Uinta Bas in With Stream With Stream Wi t*> out Stream Stream Total Unit Uinta Basin Recommended Flow 2/ 3/ Uinta Bas in 4/ ~~ Total Unit Uinta Basin Gai ns 2/ Gai ns Gai ns Class 1 62 5.0 0.0 0.0 5- 0 0.0 0.0 8.1 3.1 Class II 451 47.6 44.9 16.5 31.1 28.4 63.2 6.8 10.5 Class III 2,522 75.0 61.9 44.0 31.1 17.9 29.3 1.2- 2.9 Class IV 1,530 34.6 33.6 29.1 5.5 4.5 13.3 0.3 2.2 Class V 545 29.0 0.0 0.0 29.0 0.0 0.0 5.3 5- 3 Class VI 267 4.6 0.0 0.0 4.6 0.0 0.0 1.7 1.7 Total all Classes 5,377 195.8 140.4 89.6 106.2 50.8 36.3 1.9 3- 6 Total Classes 1 , II, & III 3,035 127.6 106.8 60.5 67.1 46.3 43.5 2.2 4.2 ]_/ Figures taken from State of Utah inventory and classification of waters. 73 2/ The positive affect of stream gains is only demonstrated for Uinta Basin streams ( Duchesne River, Rock Creek, West Fork of Duchesne, Wolf Creek, Currant Creek and Strawberry River) having recommended minimum flows ( or insignificant reduction in flows caused by the Unit. All affected high quality stream sections of Bonneville Basin streams are considered to suffer serious loss of habitat quality. 3_/ Stream gains reaching or exceeding recommended minimuia flows are expected to allow survival and maintenance of a trout population. Mileage from Duchesne River above Knight Diversion and North Fork of the Duchesne River are included under stream sains because reduction in flow caused by Unit would be insignificant. 4/ Classification of these sections could be lowered . |