U.S. Fish and Wildlife Service Arizona Game and Fish Department Little Colorado River Watershed Chapter 6 LITTLE COLORADO RIVER WATERSHED Chapter 6 Little Colorado River Watershed ............................................................................ 6-410 Lower Little Colorado River Sub-Watershed ...................................................................... 6-416 Jacks Canyon Complex .................................................................................................... 6-416 Soldiers Lake ............................................................................................................... 6-420 Soldiers Annex Lake .................................................................................................... 6-426 Tremaine Lake ............................................................................................................. 6-431 Long Lake .................................................................................................................... 6-434 Jacks Canyon Complex Analysis ..................................................................................... 6-439 Canyon Diablo Complex Description .............................................................................. 6-443 Kinnikinick Lake ......................................................................................................... 6-448 Morton Lake................................................................................................................. 6-455 Mud Lake ..................................................................................................................... 6-459 Coconino Lake ............................................................................................................. 6-463 Ashurst Lake ................................................................................................................ 6-473 Frances Short Pond ...................................................................................................... 6-480 Canyon Diablo Complex Analysis................................................................................... 6-491 Walnut Creek Complex Description ................................................................................ 6-493 Mormon Lodge Pond ................................................................................................... 6-494 Marshall Lake .............................................................................................................. 6-497 Upper Lake Mary ......................................................................................................... 6-503 Lower Lake Mary ........................................................................................................ 6-509 Walnut Creek Complex Analysis ..................................................................................... 6-512 Lower Little Colorado River Analysis of Impacts ........................................................... 6-515 Biological Assessment of the Arizona Game and Fish Department’s January 2011 Statewide and Urban Fisheries Stocking Program 6-410 U.S. Fish and Wildlife Service Arizona Game and Fish Department Little Colorado River Watershed List of Figures Figure 1. Jacks Canyon Complex topographic representation ................................................. 6-417 Figure 2. Jacks Canyon Complex direction of water flow via ditch systems. ......................... 6-418 Figure 3. Chilson Canal Hay Lake side water flow direction (small red arrows) ................... 6-419 Figure 4. Map of Jacks Canyon buffered stocking complex. .................................................. 6-426 Figure 5. Close-up of Long Lake spillway and connection to Chaves Pass Ditch. ................. 6-437 Figure 6. Location of the Canyon Diablo Complex (shaded yellow) in relation to the LCR watershed (shaded brown). .......................................................................................... 6-444 Figure 7. Canyon Diablo Complex (yellow) located within the Little Colorado River watershed; municipal areas are shaded in purple. The Walnut Creek sub-drainage stocking sites are considered closed and do not connect with the Canyon Diablo drainage. ....................................................................................................................... 6-445 Figure 8. Topographic map indicating the location of Kinnikinick, Morton, and Mud lakes in Kinnikinick Canyon. ....................................................................................... 6-446 Figure 9. Topographic map indicating the Ashurst Run ditch system. .................................... 6-447 Figure 10 . Image of Kinnikinick and Morton lakes located within the Canyon Diablo drainage (©2009 ESRI, i-cubed, GeoEye). ................................................................. 6-449 Figure 11. Photo of Kinnikinick Lake located within the Canyon Diablo drainage. ............... 6-450 Figure 12. Map of Canyon Diablo buffered stocking complex: .............................................. 6-455 Figure 13. Photo of Morton Lake. ........................................................................................... 6-456 Figure 14. Photo of Morton Lake spillway. ............................................................................. 6-458 Figure 15. Image of Mud Lake downstream from Kinnikinick and Morton lakes, located within the Canyon Diablo drainage (©2009 ESRI, i-cubed, GeoEye). ....................... 6-460 Figure 16. Image of Coconino Lake located within the Canyon Diablo drainage (©2009 ESRI, i-cubed, GeoEye). .............................................................................................. 6-464 Figure 17. Photo of the ditch between Ashurst and Coconino lakes. ...................................... 6-466 Figure 18. Photo of the ditch between Ashurst and Coconino lakes showing water flowing into the south end of Ashurst Lake. ................................................................ 6-467 Biological Assessment of the Arizona Game and Fish Department’s January 2011 Statewide and Urban Fisheries Stocking Program 6-411 U.S. Fish and Wildlife Service Arizona Game and Fish Department Little Colorado River Watershed Figure 19. Photo of the runoff control valve at Coconino Lake through which water is released downstream to Ashurst Lake. The Department typically opens this valve during March to April to fill Ashurst Lake. ................................................................. 6-468 Figure 20. Photo of the Coconino Reservoir spillway when Ashurst Lake is full and Coconino spills instead into Breezy Lake. ................................................................... 6-469 Figure 21. Photo of the ditch through which water spills and flows from Coconino Lake and Breezy Lake. ......................................................................................................... 6-470 Figure 22. Photo of water flows into Breezy Lake (visible at top of photo) from Coconino Reservoir. ..................................................................................................................... 6-471 Figure 23. Image of Ashurst Lake located within the Canyon Diablo drainage (©2009 ESRI, i-cubed, GeoEye). .............................................................................................. 6-474 Figure 24. Photo of Ashurst Lake located in the Canyon Diablo drainage. ............................ 6-475 Figure 25. Photo of Ashurst spillway; from this point water flows into Breezy Lake. ........... 6-478 Figure 26. Photo of the basin behind Ashurst Lake; outflow from Ashurst travels through this basin towards the right side of the photo southeast to Breezy Lake. .................... 6-479 Figure 27. Image of Frances Short Pond located within the Canyon Diablo drainage (©2009 ESRI, i-cubed, GeoEye). ................................................................................ 6-482 Figure 28. Photo of Francis Short Pond located in the Canyon Diablo drainage. ................... 6-483 Figure 29. Frances Short Pond Spillway. ................................................................................. 6-488 Figure 30. Frances Short Pond Stocking Area. ........................................................................ 6-489 Figure 31. Map of Walnut Creek buffered stocking complex: ................................................ 6-493 Figure 32. Mormon Lodge Pond topographic map. ................................................................. 6-494 Figure 33. Marshall Lake ......................................................................................................... 6-497 Figure 34. Upper and Lower Lake Mary and Marshall Lake .................................................. 6-498 Figure 35. Marshall Lake topographic representation. ............................................................ 6-499 Figure 36. Down slope side of Marshall Lake to Lower Lake Mary (seen in the background). ................................................................................................................ 6-501 Figure 37. Upstream view of drop towards Lower Lake Mary ............................................... 6-502 Figure 38. Upper Lake Mary spillway ..................................................................................... 6-506 Figure 39. Downstream of Upper Lake Mary spillway looking at Lower Lake Mary ............ 6-507 Biological Assessment of the Arizona Game and Fish Department’s January 2011