Record Details
page 125
Digital Collections at BYU
| Field | Value |
|---|---|
| Title | page 125 Central Utah Project, Bonneville Unit : Diamond Fork Power System : final Environmental Impact Statement, page 125 |
| Coverage | Electronic reproduction; |
| Format | 125 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; qhapter shapter IV AFFECTED environment AND environmental consequences the water quality in the river from the canyon mouth to utah lake fluctuates widely from season to season and deteriorates considerably in the lower reaches during certain times of the year it experiences high TDS and nutrient levels with periodic increases in BOD and colif coli calif coliforms forms orms during the summer the water is largely diverted for irrigation there f fore ore most f flows lows in the lower reaches result f from rom seepage irrigation return flows and septic tanks livestock and urban runoff also contribute to the pollutant load in this lower stream section summertime water temperatures occasionally exceed 20 C particularly in the lower reaches present strawberry reservoir strawberry reservoir the source of the water supply for the diamond fork power system has good water quality seasonally with the exception of high nutrient concentrations and resultant eutrophication all other constituents TDS cations canions cat ions anions metals pesticides etc are low because of the large volumes of water that would be released from strawberry reservoir into the diamond fork power system the quality of the released waters would largely determine the water quality inthe in the diamond fork spanish fork river system just as it does at the present time in turn the quality of water released from strawberry reservoir will be determined by future conditions in the reservoir the season of the year and the location of the thermocline in relation to the syar tunnel inlet A description of the dynamics and conditions in both the present and future enlarged strawberry reservoir will aid in understand ing the potential conditions and impacts in the diamond fork system strawberry reservoir is a eutrophic system due to the relatively high nutrient loading which occurs mainly from the extensive cattle grazing and erosion and recreation activities in the watershed the reservoir stratifies in both summer and winter and experiences frequent algae blooms in the bay areas the composition of the bloom varies from diatoms to blue greens depending on the season and nutrient levels and temperature the excess of nutrients fertilizes the surface waters at both fall and spring overturn As a result of these eutrophic condi tions eions and the resulting low dissolved oxygen levels the reservoir ex periences perien ces periodic localized fish kills in late summer and kills are likely to occur during periods of extensive winter ice cover strawberry reservoir is experiencing increasing eutrophication prob lems from increasing use within the watershed reclamation has completed a watershed management study and is currently developing a land use management plan which should help control these eutrophication problems strawberry reservoir normally freezes over during december and re mains frozen through the first part of may the reservoir normally starts to stratify the first part of june by the latter part of june a definite thermocline has developed at about 7 to 8 meters the oxygen below the thermocline in the reservoir has been depleted by the middle 125 |
| Identifier | http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/2848 |
