Record Details

page 623

Digital Collections at BYU

Field Value
Title page 623 Final Environmental Statement : authorized Bonneville Unit, Central Utah Project, Utah, page 623
Coverage Electronic reproduction;
Source Bureau of Reclamation. Department of the Interior
Publisher Brigham Young University
Date 2005-10-14
Format 623 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; j mona dam and reservoir alternative an alternative location for mona dam is about 2 miles downstream from the planned location environmental impacts would include inundation of about 1150 acres of farm and brush land and 2 miles of stream this site would also require about 240000 cubic yards of fill and a correspondingly larger borrow area than would be required for the 50000 cubic yards of embankment needed at the upper site c indian fishery mitigation features the diversion of flows from the duchesne river tributaries tributa ries would have an effect on the fishery in some reaches of these streams where they flow through indian lands this effect has been studied by the various agencies involved it was recommended by the bureau of sport fisheries and wildlife wildlifel that fishery lakes with a total surface area of about 800 acres be constructed to replace this loss it was later recommended by the bureau of indian affairs and the ute indian tribel tribe3 tribe that this loss be mitigated by two reservoirs bottle hollow now constructed on an off stream site near fort duchesne and lower stillwater which would be constructed on rock creek these reservoirs would be maintained at a constant water level A large number of water storage sites were inventoried inventories invent oried and 27 sites were selected for further investigation they are located on or adjacent to the following streams rock creek nine sites duchesne river three sites lake fork river one site ua u4 uintah ntah atah river two sites willow creek four sites hill creek six sites farm creek one site and dry canyon one site for productivity as a fishery and for tribal economic development potential storage sites should be located on or near tribal lands have e emple ample empie water inflow to equal or exceed the seasonal evaporation loss and have a minimum water depth of 25 feet and an average depth of at least 10 feet for the entire reservoir in addition water fluctuation should be at a minimum 5 and outlets should be provided for the reservoirs to control outflow and for possible complete drainage for silt and fish control measures A spillway would be needed to carry the water from the drainage source shoreline slopes should not be too steep adequate fisherman access roads should be constructed to the impoundments and tribal facilities all vegetation should be removed from within the backwater area of each impoundment esthetics should also be considered 623
Identifier http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/5246

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