Upper Colorado River Basin Water Forum : Stories from the Field

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1 Upper Colorado River Basin Water Forum : Stories from the Field Orchard Mesa Irrig. Improvements to Benefit Endangered Fish and Water Users November 1, 2017 Max Schmidt, Orchard Mesa Irrigation Distr. Brent Uilenberg, Bureau of Reclamation WCAO Tom Chart, USFWS

2 Endangered Species Act Milestones Mid 1970 s: ESA compliance required for federal water projects impacting listed endangered fish 1981: Windy Gap Project consultation for endangered fish set the stage for 40 Section 7 consultations using the Windy Gap approach, but did not provide an acceptable long term solution. Mid-1983: USFWS proposed no further net depletions in the Upper Colorado River Basin to protect endangered fish 2

3 Milestones (cont d) December 1, 1983: Colorado Water Congress Special Project on Threatened and Endangered Species organized: Goal: Define an administrative solution to potential conflicts between ESA and water development March 1984: Upper Colorado River Coordinating Committee established to address possible conflicts and solutions (USFWS, Reclamation, states of Colorado, Wyoming, Utah, water users, environmentalists) 3

4 Established in 1988 Partners State of Colorado State of Utah State of Wyoming Bureau of Reclamation Colorado River Energy Distributors Association Colorado Water Congress National Park Service The Nature Conservancy U.S. Fish and Wildlife Service Utah Water Users Association Western Area Power Administration Western Resource Advocates Wyoming Water Association Fish Illustrations by Joe Tomelleri

5 The Goal of the Recovery Program The purpose of this Recovery Program is to recover the endangered fishes while water development proceeds in compliance with all applicable Federal and State laws. Providing Endangered Species Act compliance for federal, tribal, state and private existing and new water projects throughout the Colorado River Basin above Lake Powell. Endangered Species Act Law of the River

6 Recovery Program Provides ESA compliance for Historic and New Water Depletion Projects Summary of Endangered Species Act Section 7 Consultations (1/1988 through 12/31/2016) State Number of Projects Historic Depletions (Acre-Feet/Yr) New Depletions (Acre-Feet/Yr) Total Depletions (Acre-Feet/Yr) Colorado ,915, ,195 2,122,877 Utah ,898 97, ,520 Wyoming ,498 36, ,511 Regional* 238 (regional) (regional) 0 Total 2,122 2,517, ,830 2,857,908 * Amount included in individual state s new depletions

7 The Endangered Colorado River fish Razorback sucker (Xyrauchen texanus) Colorado pikeminnow (Ptychocheilus lucius) Bonytail (Gila elegans) Humpback chub (Gila cypha)

8 Habitat Development Recovery Elements Habitat Flow Management Research and Monitoring Managing Nonnative fish Stocking Endangered Fish

9 Instream Flow Management Occurs Throughout the Upper Basin Flaming Gorge Reservoir (Green River): Cooperators: BOR Elkhead Reservoir (Yampa River): Cooperators: CRWCD, City of Craig, TriState Power Duchesne River Reservoirs: Cooperators: CUWCD, BOR Upper Colorado Reservoirs: Cooperators: CRWCD, East Slope Water Users (NCWCD, City of Denver, Colorado Springs), West Slope Water Users (Cities of Grand Junction, Palisade), BOR, Grand Valley irrigators Points of flow control Aspinall Unit (Gunnison River): Cooperators: BOR Navajo Reservoir (San Juan River): Cooperators: BOR

10 Habitat Development: Capital Projects to Reconnect Habitat and Reduce Entrainment

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12 Species Status: Colorado Pikeminnow SELF-SUSTAINING Adults in Green and Colorado rivers are currently at low levels Future Management will focus on: Successful NNF control to rebuild forage for adults in Yampa River and other rivers Better management of base flows to improve survival of young of year

13 Upper Colorado River Basin

14

15 Base Flow Targets Osmundson, D. B., P. Nelson, et al. (1995). Relationships Between Flow and Rare fish Habitat in the '15-Mile Reach' of the Upper Colorado River, U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation: 81.

16 Reservoirs Decreed Capacity (acft) Inflow (cfs) Remaining or Total Content (acft) Total Rel. (cfs) Remarks Granby Res. 543, , Adams Tunnel = 45 cfs 5,412 E. Slope pool 5, Williams Fork Res. 93, , Moffat Tunnel=35 cfs Meadow Ck Del=0 cfs Upper Blue Res. 2,140 1,700 Con-Hoosier Tunnel = 32 cfs Dillon Res. 252, , Roberts Tunnel = 7 cfs Green Mtn. Res. 154, , HUP 66,000 19, HUP Repl = 16 cfs GVIC Direct Del = 0 cfs Contract 20,000 19,287 6 Silt = 0 cfs C-BT 52,000 44,685 0 Wolford Res. 65, , Contract Release = 3.5 cfs West Slope Fish 6, DWB Pool 24,000 24,000 0 Ruedi Res. 102, , from Rocky Fork = 159 cfs Total Contracts 0 Boustead Tunnel = 2 cfs 5k Firm 5, Twin Lakes Tunnel = 20 cfs 5,412 W. slope pool 5, k (4/5 Years) 5, Ute WCD 6, K Granby Insurance 2,000 2,000 0

17 Peak flows in the 15-Mile Reach Colorado River were successfully boosted for the third year in a row with Coordinate Reservoir OperationS (CROS) releases: About 2,400 cfs

18 Base flows are being substantially augmented to improve 15-Mile Reach Colorado River flow conditions

19 Orchard Mesa Irrigation District

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21

22 70,000 Orchard Mesa ID Canals #1 and #2 Water Diversions ( ) compared to Net Irrigation Water Requirement 60,000 50,000 Acre-Feet 40,000 30,000 20,000 10, Total Canal Diversions (Canals #1 and #2) Estimated Net Irrigation Water Requirement

23 OMID Urban Laterals

24 Water Management Objectives Operation with minimal canal spill. Spill water is recirculated without increased pumping. Water service that is more equitable, reliable, flexible AND drought resilient. Increased hydropower production AND river flows.

25

26 Water Conservation Estimates (Acre-Feet) Reducing lateral spill in the upper agricultural areas = 1,000 Recovering spill from main canals in urban areas = 1,600 Eliminating spill from the MML system = 900 Reducing spill from the main canals = 4,000 Recovering spill water from urban laterals = 9,500 Total: 17,000

27 Projected Water Savings on a Monthly Basis April May June July Aug Sep Oct Total Volume (AF) 2,242 2,159 1,511 1,679 2,207 3,080 4,121 17,000 Flow Rate (CFS) NA

28 Typical Canal Check Structure

29

30 Legal Protection Strategy Reroute reduced spills to increase hydroelectric production Increased reliance on hydro-electric power water rights v. irrigation water rights (slight reduction in relative priority of water right administration with minimal impact)

31 OMID Irrigation Water Diversions OMID Power (Includes Hydraulic Plant Total OMID YEAR Pumps) (Acre-Feet) Diversions (Acre-Feet Diversions (Acre-Feet) Check , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,568 x 396, , ,607 x 368, , ,317 x 482, , ,265 x 555, , ,893 x 508,375 Average 150, , ,148 Median 149, , ,686 Standard Deviation 8,988 77,920 76, Average 152, , ,335 Median 156, , ,100 Standard Deviation 9,252 79,011 76, Average 144, , ,681 Median 143, , ,404 Standard Deviation 4,398 65,906 69,003 Delta Average (8,314) 42,661 34,346 Median (13,470) 23,073 15,304

32 Grand Valley Water Management Project Actual Results Water Year (Units in Acre-Feet) Average Irrigation Diversion 285, , , , , , , , , , , , , , , , ,485 Reduced Diversion as Compared to 1998 (Pre-Project) 0 44,793 32,928 28,928 35,899 7,223 39,290 35,994 79,112 24,001-10,370 17,441-47,536 50,672 49,070 58,530 29,732 Palisade Pipeline 0 2,053 10,161 13,654 19,143 10,812 10,625 15,997 18,302 20,617 20,466 14,616 15,937 19,317 19,520 20,186 15,427 Total Potential Benefit to 15-Mile Reach Flows 0 46,846 43,089 42,582 55,042 18,035 49,915 51,991 97,414 44,618 10,096 32,057-31,599 69,989 68,590 78,716 45,159 Capital Cost = $7,988,000 Capitalized Annual Cost = $1,250,000 Total = $9,238,000 Assumes 50 year life cycle and 6 percent interest rate Average Unit annual cost (per acre foot of potential benefit) = $12.98 per acre-foot per year

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