Deschutes Basin Habitat Conservation Plan
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DESCHUTES BASIN HABITAT CONSERVATION PLAN STUDY REPORT Study 2: Potential Effects of Covered Activities on Surface Water Temperature Phase 1: Releases, Return Flows, and Discharges Prepared for: Deschutes Basin Board of Control, and City of Prineville, Oregon Prepared by: R2 Resource Consultant, Inc. and Biota Pacific Environmental Sciences, Inc. March 2013 DESCHUTES BASIN HABITAT CONSERVATION PLAN STUDY REPORT Study 2: Potential Effects of Covered Activities on Surface Water Temperature Phase 1: Releases, Return Flows, and Discharges Prepared for: Deschutes Basin Board of Control City of Prineville P. O. Box 919 387 NE Third Street Madras, Oregon 97741 Prineville, Oregon 97754 Prepared by: R2 Resource Consultants, Inc. P. O. Box 203 Redmond, Washington 98073 Biota Pacific Environmental Sciences, Inc. P. O. Box 158 Bothell, Washington 98041 March 2013 TABLE OF CONTENTS 1.0 Introduction .......................................................................................................... 1 1.1. Background .................................................................................................................................. 1 1.2. Purpose and Scope of the Study ................................................................................................ 1 2.0 Covered Releases, Returns, and Discharges of Water ......................................... 6 2.1. Overview ..................................................................................................................................... 6 2.2. Crescent Creek ............................................................................................................................ 6 2.2.1. Crescent Lake Dam................................................................................................................. 6 2.3. Deschutes River ......................................................................................................................... 12 2.3.1. Crane Prairie Dam .................................................................................................................. 12 2.3.2. Wickiup Dam .......................................................................................................................... 12 2.3.3. Siphon Hydroelectric Project ................................................................................................ 13 2.3.4. North Unit Irrigation District Returns .................................................................................. 13 2.4. Tumalo Creek ............................................................................................................................. 13 2.4.1. Crater Creek Ditch ................................................................................................................. 13 2.5. Crooked River ........................................................................................................................... 16 2.5.1. Bowman Dam ....................................................................................................................... 16 2.5.2. Ochoco Irrigation District Returns ...................................................................................... 16 2.5.3. Central Oregon Irrigation District Returns ......................................................................... 16 2.5.4. North Unit Irrigation District Returns ................................................................................. 19 2.5.5. City of Prineville Sewage Treatment Plant Effluent ........................................................... 19 2.5.6. Lone Pine Irrigation District Canal Return .......................................................................... 19 2.6. Ochoco Creek ............................................................................................................................ 19 2.6.1. Ochoco Dam ......................................................................................................................... 19 2.6.2. Ochoco Irrigation District Returns ...................................................................................... 20 2.7. McKay Creek ............................................................................................................................. 20 2.7.1. Ochoco Main Canal Spill ....................................................................................................... 20 2.7.2. Dry Creek Live Flow and Spill ............................................................................................... 23 2.7.3. Crooked River Distribution Canal Spill ................................................................................ 23 2.7.4. D-8 Drain ............................................................................................................................... 23 2.7.5. Ryegrass Canal Spill .............................................................................................................. 23 2.8. Lytle Creek ................................................................................................................................ 23 3.0 Methods ............................................................................................................. 24 3.1. Screening Evaluation of Points of Returns ............................................................................. 24 3.2. Cumulative Effects .................................................................................................................... 26 Study 2 - Phase 1 Report, March 2013 Page i 4.0 Results ................................................................................................................ 27 4.1. Potential Effects of Releases, Return Flows, and Discharges on Surface Water Temperature ............................................................................................................................ 27 4.1.1. Crescent Creek ..................................................................................................................... 27 4.1.2. Deschutes River .................................................................................................................... 28 4.1.3. Tumalo Creek ........................................................................................................................ 33 4.1.4. Crooked River ....................................................................................................................... 33 4.1.5. Ochoco Creek ....................................................................................................................... 41 4.1.6. McKay Creek ......................................................................................................................... 45 4.1.7. Lytle Creek ............................................................................................................................ 46 5.0 Conclusions and Recommendations .................................................................. 47 5.1. Recommendations on Techniques for Documenting Changes in the Thermal Regimes of Affected Surface Waters from DBHCP Conservation Measures ....................................... 47 5.2. Assessment of the Need for Additional Monitoring .............................................................. 48 5.2.1. Water Temperature ............................................................................................................. 48 5.2.2. Stream Flow.......................................................................................................................... 49 6.0 References .......................................................................................................... 49 LIST OF TABLES Table 2-1. Points of release, return, and discharge of water covered by the DBHCP. ........................ 8 Table 3-1. Representative low flow and high temperature conditions at gages and other locations in receiving waters during the irrigation season. .............................................. 25 LIST OF FIGURES Figure 2-1. Points of return covered by the DBHCP. ............................................................................... 7 Figure 2-2. North Unit Irrigation District points of return to the Deschutes and Crooked rivers. ..... 14 Figure 2-3. Tumalo Irrigation District Crater Creek Ditch transfer to Tumalo Creek. ........................... 15 Figure 2-4. Ochoco Irrigation District points of return at the Gap and to Lytle Creek. ....................... 17 Figure 2.5. Central Oregon Irrigation District and Lone Pine Irrigation District points of return to the Crooked River. ............................................................................................... 18 Figure 2-6. Proportion of Lone Pine diversion lost as tailwater during the 2005 irrigation season. .. 20 Figure 2-7. Ochoco Irrigation District points of return to Ochoco Creek. ............................................ 21 Figure 2-8. Ochoco Irrigation District points of return to McKay Creek. ............................................. 22 Study 2 - Phase 1 Report, March 2013 Page ii Figure 4-1. Thermal infrared (TIR) temperature profile of the Deschutes River upstream of Lake Billy Chinook. ............................................................................................................... 28 Figure 4-2. Example of Prineville Reservoir thermal stratification– July 2004. ................................... 33 Figure 4-3. Thermal infrared (TIR) temperature profile of the Crooked