WSPC03014

• File Number: 8220.106.A.1.b
• Description: Colorado River Water Projects - Animas La Plata - Project Description - Construction - PCC
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 12/14/2005
• Author: DOI-BOR
• Title: Animas River Native Fish Passage Assessment Study - Animas La Plata Project Native Sucker Mitigation Recommendation - Excerpted From-PCC Meeting - 02-09-06
• Water Supply Pro - Doc Type: Report/Study

001960

Table of Contents

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Paqe

Executive Summa ry .................................................................................:...................... iii

Acknowledgements......................................................................................................... iv

Introduction and Background ...........................................................................................1

Methods............................................................................... ............................................5

Results............................................................................................................................. 6

Discussion ......... ....... ... ......... ............... ........ ..... .......... .... ..... ........ ............... .............. ..... 1 0

Conclusions and Recommendations .............................................................................10

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List of Figures

Fiqure 1: Study Area and Diversion Dam Locations on the Animas River .......................1

Fiqure 2: Farmer's Ditch Diversion ..................................................................................2

Fiqure 3: Farmington Lake Diversion showing open gate................................................2

Fiqure 4: Flannelmouth Sucker.. ......... ............ ................ ..... ................................... .........3

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Fiqure 5: Bluehead Sucker .........:....................................................................................4
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Fiqure 6: Electrofishing below the Farmington Lake Diversion ........................................5

Fiqure 7: FLOY Tag Gun on left and native sucker being tagged on right .......................6

Fiqure 8: Length Frequency distribution for flannelmouth suckers captured below and
above Farmington Lake and Farmer's Ditch diversions in 2004 ......................................7

Fiqure 9: Length Frequency distribution for blue head suckers captured below and above
Farmington Lake and Farmer's Ditch diversions in 2004.................................................7

List of Tables

Table 1. Fish species captured during sampling of the Animas River, during the 2001-

2005 fish survey............................................................................................................... 8

Table 2. FLOY-tagged native sucker found moving past two diversions for 2001-2005,

Animas River...... ........... ................................................ .........:......... ...... ............... ..........9

ii

Appendix A: Animas River Native Sucker Recapture Summary (2001-2005).