Record Details
page 44
Digital Collections at BYU
| Field | Value |
|---|---|
| Title | page 44 Final supplement to the final environmental impact statement : Diamond Fork System, Bonneville Unit, Central Utah Project, page 44 |
| Coverage | Electronic reproduction; |
| Format | 44 text/PDF |
| Rights | Brigham Young University; http://lib.byu.edu/about/copyright/generic.php Public Domain Public |
| Language | English; eng; en |
| Relation | Central Utah Project; Western Waters Digital Library; CHAPTER 111 III lil lii AFFECTED environment AND environmental consequences most of the winter flows and much of the spring season flood flows however enter the lake along with return flows from upstream diversions diversion st ground water flows from springs in and adja adjacent rent cent to the lake and precipitation on the lake water surface provo river is the largest tributary annual inflow to utah lake from all soi sol sources soiarces arces over the 193073 1930 73 period has been estimated at an average of about 579200 acre feet with extremes of 1217500 acre feet in 1952 to 285100 acre feet in 1934 these estimated inflows include surface and subsurface flows to the lake and precipitation on the lake water surface during the period of study the total outflow or releases from the lake averaged about 243000 acre feet annually including large releases or spills in high runoff years and snail small smail snall releases in low waer wa waer er years the releases have varied from 527800 acre feet in 1953 to 75000 acre feet in 1935 since the period of study in 1983 a high runoff year characterized by flooding throughout the valley 920000 acre feet were released from the lake evaporation 2 losses from utah lake are relatively high averaging about 4 feet annually the high evaporation rate and losses from the lake result from the shallowness of the lake and its relatively warm temperatures flat shoreline in some stretches and exposure to winds evaporation losses from the lake water surface over the 193073 1930 73 period have been estimated to average about 317400 acre feet annually ranging from 386900 acre feet in 1952 when the lake was at a high level to 263300 acre feet in 1935 when the lake was at a low level the estimates of average lake inflow and evaporation losses indicate that somewhat more than half of the water which enters the lake is consumed by evapotranspiration in the extreme low runoff year of 1935 the estimated total inflow to the lake exceeded the estimated total evapotranspiration by only 57700 acre feet the evaporation exceeds the outflow in jordan river during most years water released from the lake is used largely for irrigation in salt lake county and northwestern utah county and a water right has been obtained by kennecott copper corporation for milling uses in western salt lake county the chemical quality of the lake water generally precludes is ids direct use for municipal purposes and many industrial purposes however the salt lake county water conservancy district is constructing a pumping plant at jordan narrows which will allow utah lake water to be blended with other higher quality waters for municipal and industrial uses additionally under present exchange agreements and operation operations st some of the lake water used for irrigation in salt 1 2 evapotranspiration refers to total evaporation the evaporation from all water soil snow ice vegetation and other surfaces plus pius transpiration evaporation is restricted to the net rate of vapor transport to the atmosphere from free water surfaces 44 |
| Identifier | http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/12999 |
