Record Details

page 63

Digital Collections at BYU

Field Value
Title page 63 Final supplement to the final environmental impact statement : Diamond Fork System, Bonneville Unit, Central Utah Project, page 63
Coverage Electronic reproduction;
Format 63 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 AFFECTED environment AND environmental consequences table 20 monks hollow reservoir water quality data summary present condition recommended plan alternative A alternative c1 ca 1984 FES plan pian maximum capacity acre feet feets feet1 33100 33100 31400 maximum surface area acress acres acres1 1 352 352 343 maximum depth feet feets feet1 228 228 230 average contents acee acre feet feets feet2 2 16220 16080 23800 average surface area acress acres acres2 2 235 234 294 mean depth feet feets feet2 2 69 69 82 detention time days dayse days2 2 18 16 2040 20 40 maximum reservoir temperature C condition 9 915 9 15 915 9 15 711 7 11 915 9 15 condition BI B 1720 17 20 1720 17 20 1720 17 20 1720 17 20 maximum release temperature VC C condition 9 1721 17 21 915 9 15 915 9 15 711 7 11 915 9 15 condition B 1721 17 21 1720 17 20 1720 17 20 1720 17 20 1720 17 20 maximum dissolved oxygen egl mgl condition 9 711 7 11 48 4 8 48 4 8 16 glo gio 610 1610 6 10 34 548 48 348 4 8 condition B 711 7 11 610 6 10 610 6 10 610 6 10 giu 61 glu 6 1 lv values given are projected for diamond fork in the monks hollow area for comparison with other alternatives 17 average verage conditions during the may september period condition A is for those years when water is released from below the thermocline in strawberry reservoir condition B is for those years when water is released from above the thermo thermociine thermooline thermocline cline oline in strawberry reservoir dissolved oxygen would remain near saturation within a short distance one quarter to one half mile because of turbulence caused by the steep mountain terrain drawdown and large flushing flows the average detention time for outflowing outblowing out flowing water would range from 60 days for may to 10 days for july and august and average 18 days for the may september period density currents may develop at times As committed to in the 1984 FES a monitoring program would be established to ensure satisfactory water quality this program should last 5 to 10 years to adequately determine if a problem exists if problem water temperatures or low dissolved oxygen levels in diamond fork occurred during project operation a multilevel outlet on monks hollow dam aerators or destratifiers on strawberry ormonks or monks hollow reservoirs or warming ponds or aerators on diamond fork below monks hollow reservoir would be constructed at project expense as determined practical any power requirements wouldbe wouldve would be small and would come from project power allocations reclamation would coordinate the monitoring program the associated water quality studies and the 63 7
Identifier http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/12928

© Western Waters Digital Library - GWLA member projects - Designed by the J. Willard Marriott Library - Hosted by Oregon State University Libraries and Press