Harney Basin Groundwater Study
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3210 N Canyon Road Suite 300 Provo, UT 84604 Harney Basin Groundwater Study Submitted to: Harney County Watershed Council 450 N Buena Vista Avenue #4 Burns, Oregon 97720 Submitted by: Aquaveo, LLC 3210 N Canyon Road Suite 300 Provo, UT 84604 Mark Yinger Associates 69860 Camp Polk Road Sisters, OR 97759 WPN P.O. Box 8 Mount Hood, OR 97041 Harney County Final Report, December 27, 2012 Harney County Final Report, December 27, 2012 Mark Yinger, an Oregon Registered Geologist, is responsible for the geologic and hydrogeologic content of this report titled “Harney Basin Groundwater Study”. Mark Yinger Associates, Sisters, Oregon. Expires: May 31st, 2013 Harney County Final Report, December 27, 2012 Table of Contents Table of Contents ________________________________________________________ i List of Figures __________________________________________________________ iii List of Tables ___________________________________________________________ iv 1. Project Overview __________________________________________________ 1 2. Literature and Data Review __________________________________________ 1 2.1. Existing Data __________________________________________________________ 2 2.2. Hydrology Literature and Resources _______________________________________ 4 2.3. Literature Folder - Geologic, Hydrogeologic, and Water Resource Literature _______ 7 3. Database Development and Data Analysis ______________________________ 7 3.1. Stratigraphy Definition and Methodology ___________________________________ 7 3.2. Data Processing _______________________________________________________ 10 3.3. Design and Create Geodatabase __________________________________________ 11 3.4. Import Data __________________________________________________________ 11 3.5. Create GIS Products ____________________________________________________ 14 3.6. Document Geodatabase ________________________________________________ 20 4. Geologic Framework and Aquifer Definition ___________________________ 21 4.1. Regional Geologic Setting _______________________________________________ 21 4.2. Geodatabase Unit Descriptions __________________________________________ 25 4.3. Hydrogeologic Units ___________________________________________________ 28 5. Groundwater Basin Description ______________________________________ 33 5.1. Hydrology and Water Budget ____________________________________________ 33 5.2. Geology _____________________________________________________________ 46 5.3. Hydrogeology ________________________________________________________ 47 5.4. Groundwater Levels ___________________________________________________ 49 5.5. Groundwater Use _____________________________________________________ 66 6. Identifying Data Gaps and Proposed Monitoring ________________________ 67 i Harney County Final Report, December 27, 2012 6.1. Borehole Data ________________________________________________________ 67 6.2. Groundwater Monitoring _______________________________________________ 68 6.3. Surface Water Hydrology _______________________________________________ 69 6.4. Pump Test ___________________________________________________________ 70 6.5. Groundwater Use _____________________________________________________ 70 6.6. Groundwater Model ___________________________________________________ 70 References Cited _______________________________________________________ 71 Appendix A. Explanation of Database Fields ______________________________ 73 Appendix B. Weed & Poteet #1 Oil Exploration Well Log ____________________ 77 Appendix C. Data for Selected Wells Used in Fence Diagram ________________ 82 Appendix D. State Observation Hydrographs _____________________________ 96 ii Harney County Final Report, December 27, 2012 List of Figures Figure 2-1. Harney Basin stream gage map .................................................................................................... 6 Figure 3-1. Cenozoic stratigraphy of the Harney Basin area from Walker, 1979 .......................................... 8 Figure 3-2. Format of the BoreholeLog table. ...............................................................................................10 Figure 3-3. Hydrogeologic Table ..................................................................................................................12 Figure 3-4. Well Feature Example with Pump Test Data ..............................................................................13 Figure 3-5. BoreholeLog Table .....................................................................................................................14 Figure 3-6. Feature Datasets inside the geodatabase .....................................................................................14 Figure 3-7. Borelines in ArcScene ................................................................................................................16 Figure 3-8. Interpreted Borelines in ArcScene .............................................................................................17 Figure 3-9. Subsurface Cross Sections ..........................................................................................................18 Figure 3-10. Subsurface Cross Sections with Surface Imagery .....................................................................19 Figure 3-11. Cross Sections in ArcMap ........................................................................................................20 Figure 4-1. Geology Map with Harney Structural Basin ...............................................................................23 Figure 4-2. Geology Map Legend .................................................................................................................24 Figure 5-1. Mean daily discharge for three long-term stream gages within the Harney Basin ......................34 Figure 5-2. Mean daily discharge/square mile for three long-term stream gages within the Harney Basin ..34 Figure 5-3. Estimated recurrence intervals for annual peak flowsfor three long-term stream gages within the Harney Basin .................................................................................................................................................35 Figure 5-4. Primary Inputs, outputs, and processes in the Deep Percolation Model (from Bauer and Vaccaro, 1987) ..............................................................................................................................................37 Figure 5-5. Meteorology stations in and adjacent to the Harney Basin .........................................................40 Figure 5-6. Annual precipitation and recharge by water year for the Harney Basin .....................................44 Figure 5-7. Annual recharge as a function of annual precipitation ................................................................44 Figure 5-8. Mean monthly precipitation and recharge for the Harney Basin ................................................45 Figure 5-9. Monthly recharge as a function of monthly precipitation ...........................................................45 Figure 5-10. Locations of State Observation Wells .......................................................................................49 Figure 5-11. 1936-1969 Mean Groundwater Level Contour and Flow Direction Map .................................52 Figure 5-12. 1970s Mean Groundwater Level Contour and Flow Direction Map .........................................53 Figure 5-13. 1980s Mean Groundwater Level Contour and Flow Direction Map .........................................54 Figure 5-14. 1990s Mean Groundwater Level Contour and Flow Direction Map .........................................55 Figure 5-15. 2000s Mean Groundwater Level Contour and Flow Direction Map .........................................56 Figure 5-16. 2010-2013 Mean Groundwater Level Contour and Flow Direction Map .................................57 Figure 5-17. Standard Deviation for Water Level Data for All Observation Wells Having a Record of at Least Five Water Level Measurements .........................................................................................................59 Figure 5-18. 1936-1969 Mean Groundwater Level Subtracted from the Mean for 2010-2012 .....................61 Figure 5-19. 1970s Mean Groundwater Level Subtracted from the Mean for 2010-2012 ............................62 Figure 5-20. 1980s Mean Groundwater Level Subtracted from the Mean for 2010-2012 ............................63 Figure 5-21. 1990s Mean Groundwater Level Subtracted from the Mean for 2010-2012 ............................64 Figure 5-22. 2000s Mean Groundwater Level Subtracted from the Mean for 2010-2012 ............................65 Figure D-1. Well HARN000323 Hydrograph ...............................................................................................97 Figure D-2. Well HARN000440 Hydrograph ...............................................................................................97 Figure D-3. Well HARN000463 Hydrograph ...............................................................................................98 Figure D-4. Well HARN000547 Hydrograph ...............................................................................................98 Figure D-5. Well HARN000607 Hydrograph ...............................................................................................99 iii Harney County Final Report, December 27, 2012 Figure D-6. Well HARN000741 Hydrograph ...............................................................................................99