Record Details
page 2-2
Digital Collections at BYU
| Field | Value |
|---|---|
| Title | page 2-2 Final Environmental Assessment for the Diamond Fork System Proposed Action Modifications, page 2-2 |
| Coverage | Electronic reproduction; |
| Format | 2-2 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; 0 socioeconomics 0 mineral and energy resources 0 land use plans and conflicts 0 indian trust assets and environmental justice 2.3 23 23 water resources 23.1 231 introduction this section addresses potential impacts on surface and groundwater quantity that would result from construction and operation of the proposed action modifications 23.2 232 232 description of impact area of influence the impact area of influence for water resources is the same as was described in chapter 3 section 32.4 324 324 paes pages pa es 33 3 3 and 34 3 4 of the FSFEIS FS FEIS CUWCD 1999a 23.3 233 233 affected environment baseline conditions the baseline conditions are the same as were described in chapter 3 section 32.5 325 325 pages ZD 34 3 4 through za z1 38 3 8 in the FSFEIS FS FEIS CUWCD 1999a for the floodplain flood plain baseline conditions include all existing natural and manmade features located in the floodplain flood plain 23.4 234 234 impact analysis 234.1 2341 2341 introduction the metho methodology methodolog dolog cy and significance ZD criteria are the same as were described in chapter 3 section 32.6 326 326 page it 38 3 8 through an zn 39 3 9 in the FSFEIS FS FEIS CUWCD 1999a in addition the following C significance za z1 criterion has been added any permanent change ad 4d in the floodplain flood plain that would raise the 10 100 loo 0 year flood flow level would be considered a significant an 2n impact cross sections were prepared of the area along diamond fork creek near red hollow where several proposed action modifications features would be located mannings equation was used to estimate the 100 year flow level for each cross section and to determine if the proposed features encroached on the floodplain flood plain within the 100 year flow level more detail on this methodology is included in the diamond fork system proposedaction proposed action modifications environmental assessment technical memoranda CUWCD 2000a 234.2 2342 2342 impacts during construction the impacts of the proposed action modifications would be the same as those described for the proposed action in chapter 3 3 section 32641 3264.1 2641 264.1 3 32641 2641 page 39 3 9 of the FSFEIS FS FEIS CUWCD 1999a construction of the diagonal rock riprap grade control from the diamond fork creek outlet energy dissipation structure toward diamond fork creek would not change the grade of the floodplain flood plain or raise the 100 year flood flow level the energy dissipation structure would be constructed above the estimated I 1 100 loo 00 year flood flow level diamond fork proposed action modifications EA 22 2 2 |
| Identifier | http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/3400 |
