1. The Sacramento Regional Groundwater Model Derrick Whitehead Roseville City - Roseville, CA Norm Jones Aquaveo - Provo, UT Michelle Smilowitz Heatwave Data - Miami, FLA

2. Project Setting Roseville

3. Local-scale issues – Aquifer storage and recovery – Migration of contaminants Regional-scale issues – Long-term demand – Water conservation strategies – Banking and exchange Objectives

4. Tools MODFLOW

5. Model Domain

6. Hydrogeologic Characterization

7. 3D Cross Sections

8. GeoVolumes

9. Model Grid Layering

10. Ancestral Streams

11. Stresses Rivers, Streams, CanalsSupply Wells

12. US Army Corps of Engineers Simulates – 2D overland flow – 1D streamflow – 1D infiltration – Evapotranspiration – Deep percolation Gridded Surface Subsurface Hydrologic Analysis (GSSHA)

13. GSSHA Results

14. GIS workflow – Shape files – Tables – Time series – Geoprocessing tools Outputs – Summary tables – Pumping files – Recharge files – Lateral inflow files Water Demand Model

15. Land Use Patterns

16. Water Unit Demand Factors

17. Steady State Calibration

18. October 2006 through September 2050 Monthly time steps Two versions – With conservation measures – Without conservation measures Predictive Model The Water Conservation Act introduced by Senator Steinberg sets a goal of reducing per capita urban water use by 20% by December 31, 2020, with an intermediate goal of reducing per capita water use by at least 10% by December 31, 2015.

19. Aquifer Storage and Recovery

20. Current and Future ASR Wells

21. Local-Scale Model

23. Sample Results

24. Thank You Derrick Whitehead dwhitehead@roseville.ca.us