2017-02-03_PERMIT FILE - C1980004 ‎(22)‎

• Permit No: C1980004
• IBM Index Class Name: Permit File
• Doc Date: 2/3/2017
• Section_Exhibit Name: Appendix P Water Depletion Estimates
• Media Type: D
• Archive: No

APPENDIX P
McClane Canyon Mine Expansion and Fruita Loadout Facility Biological Assessment
Table of Contents
1.0 Introduction..........................................................................................................................................1
.........................
2.0 Proposed Action................................................................................................... ......
3
2.1 Project Location.............................................................................._......................................
3
2.2 Project Setting .......................... ........... ............................................................................................
3
2.3 Proposed Action Components........................................................................................................
9
2.3.1 Mine Site..................................................................................................................................
9
2.3.2 Loadout Facility...........................................................................................11
3.0 Consultation History ...........................................................................................................................13
4.0 Listed Species...............................:...................................................................................................14
4.1 Action Area....................................................................................................................................15
4.2 Determinations of "No Effecr..............................................:.........................................................16
4.3 Determination of Effect to Endangered Colorado River Fishes....................................................18
4.3.1 Colorado Pikeminnow...........................................................................................................19
4.3.1.1 Species Account and Critical Habitat................................................................................19
4.3.1.2 Environmental Baseline....................................................................................................
20
4.3.1.3 Effects by the Proposed Action.........................................................................................
21
4.3.1.4 Conservation Measures ......................... ...........................................................................26
4.3.1.5 Determination of Effects.................................................................................................... 27
4.3.2 Razorback Sucker.................................................................................................................29
4.3.2.1 Species Account and Critical Habitat................................................................................
29
4.3.2.2 Environmental Baseline....................................................................................................
30
4.3.2.3 Effects by the Proposed Action.........................................................................................
30
4.3.2.4 Conservation Measures....................................................................................................31
4.3.2.5 Determination of Effects....................................................................................................
31
4.3.3 Bonytail....:....:........................................................................................................................32
4.3.3.1 Species Account and Critical Habitat................................................................................
32
4.3.3.2 Environmental Baseline....................................................................................................
33
4.3.3.3 Effects by the Proposed Action.........................................................................................
33
4.3.3.4 Conservation Measures....................................................................................................
34
4.3.3.5 Determination of Effects....................................................................................................
34
4.3.4 Humpback Chub....................................................................................................................34
4.3.4.1 Species Account and Critical Habitat................................................................................34
...............................
4.3.4.2 Environmental Baseline................................................................... ..
35
4.3.4.3 Effects by the Proposed Action.........................................................................................
36
4.3.4.4 Conservation Measures............................................................ ..
36
4.3.4.5 Determination of Effects....................................................................................................
36
5.0 Interdependent and Interrelated Effects....:.......................................................................................37
6.0 References.........................................................................................................................................37
List of Tables
Table 1 Species Considered for Consultation in this Biological Assessment.....................................14
List of Figures
Figure 1 Average Monthly Discharge in East Salt Creek, 1973 to 1982, Measured at USGS Gage
09163310. Vertical Lines are Minimum and Maximum Monthly Flows....................................6
Figure 2 Average Monthly Discharge in Reed Wash, 1973 to 1983, Measured at USGS Gage
09163300 near Loma. Vertical Lines are Minimum and Maximum Monthly Flows..................8
PR -02 10/12