Record Details
page 52
Digital Collections at BYU
| Field | Value |
|---|---|
| Title | page 52 Final supplement to the final environmental impact statement : Diamond Fork System, Bonneville Unit, Central Utah Project, page 52 |
| Coverage | Electronic reproduction; |
| Format | 52 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 III 111 ili AFFECTED environment AND environmental consequences alternative C with alternative C the 158300 acre feet of water diver diverted td annually from strawberry reservoir would be conveyed to the bonneville basin through the proposed syar tunnel fial fifl fifth h water aqueduct and last chance powerplant Power plant releases through last chance powerplant Power plant would be discharged to sixth water creek and flow to three forks reservoir the spanish fork river and utah lake strawberry reservoir annual fluctuations of strawberry reservoir would increase over preproject pre project conditions with the increased inflows ano oub out odt outflows flows under project operation the reservoir would fill during the winter and spring and the largest releases those for project irrigation would be made in the summer surmer strawberry reservoir would provide the longterm long term storage necessary to meet demands in a drought cycle which means large releases of water would be required to meet downstream demands in a dry year A maximum year represents a period when hydrologic conditions are wetter than normal and storage facilities are storing runoff for use in a drier year A minimum year represents a period when conditions are drier than normal and releases from reservoir storage would be greater to meet downstream demands during dry years inflows to the reservoir would be greatly reduced resulting in a longterm long term drawdown condition table 12 shows reservoir conditions as presented in the 1973 bonneville unit FES As shown in table 13 in an average year the reservoir would fluctuate ii surface area from a maximum of 12200 acres to a minimum of 11650 acres under project conditions this represents a change of 4.6 46 46 feet in water depth about 1.3 13 13 feet fewer than under the 1973 recommended plan sixth water creek operational releases would be made to sixth water creek approximately 3 miles above the three forks area of diamond fork canyon up to 600 cfs cs of project releases would be discharged from last chance powerplant Power plant to sixth water creek no operational releases were to be made to sixth water creek in the 1984 FES plan sixth water to spanish fork river confluence project water discharged to sixth water creek would flow to three forks dam and then be diverted into the diamond fork pipeline expected peak daily releases from syar tunnel under project conditions for irrigation and municipal and industrial use would be 600 cfs cs the maximum recorded historic flow was 1850 cfs cs on may 15 1984 minimum releases would be no less than historic natural flows the diamond fork pipeline would reduce flows below three forks dam by conveying up to 350 cfs efs es of the total release to the 52 BEST COPY AVAILABLE 6 |
| Identifier | http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/12911 |
