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SUMMARY Social and economic (Page C-l of FES) The only modifications which would impact social and economic con- ditions are the proposed realignment of U.S. Highway 189 and the pro- posed construction of the new Wasatch County road. Impacts would be in the areas of employment, retail sales, and traffic increases resulting from the actual construction of the roads. The total number of direct workyears!1 of employment would increase from 4,900 to about 5,047, for an increase of 147 workyears. About 10 percent, or 14 workyears, would be filled by Wasatch County residents. The remaining 90 percent would come from daily commuters from nearby Salt Lake, Utah, and Summit Coun- ties, with an estimated three out of every four jobs going to Salt Lake County. The 3 percent increase in total workyears would not signifi- cantly affect public services or the local economy, other than small retail purchases. During the peak year of construction, it is estimated thst an addi- tional 62 vehicles would enter and leave the worksite daily. Of that number, 50 vehicles would approach from the north, coming from Salt Lake and Summit Counties, and 12 vehicles would approach from the south, com- ing from areas in Utah and Wasatch Counties. This compares with the daily traffic count of 7,325 vehicles north of the Jordanelle Damsite and 7,650 vehicles south of the site (1983 unpublished UDOT traffic count). Since this increased traffic will be carried mainly on U.S. Highway 40, a major thoroughfare for the area, and amounts to less than 1 percent of the traffic volume, no significant traffic problem that might require mitigation or special attention is anticipated. Water resources (Page C-23 of FES) All expected, though minimal, impacts related to water resources are associated with the decision to provide up to 2,400 acre-feet of water to Wasatch County. Because of the effect of return flows in Wasatch County, full use of 2,400 acre-feet in that area would reduce the amount available along the Wasatch Front by only about 1,000 acre-feet. This 1,000 acre-feet would come from the northern Utah County allocation since there is unsubscribed water available in that allocation. This would reduce the amount available to northern Utah County from 20,000 acre-feet to 19,000 acre-feet. Providing 2,400 acre-feet of M&I water to Wasatch County would change the flows in the Provo River only slightly from those described in the FES, and minimum fishery releases would be maintained. ]j A workyear is equivalent to 1 year of full-time employment by one person. S-12