1. THE WESTERN PLACER COUNTY GROUNDWATER MANAGEMENT PLAN MODEL Project Review and Status Report Norm Jones Michelle Smilowitz

2. Presentation Outline  Introduction/background  Why MODFLOW?  WPCGMP model features  BREAK  Modeling tools  GMS  Google Earth  Arc Hydro Groundwater  Summary  Questions and discussion

3. COMPANY BACKGROUND

4. Company Background  Software development  Training  Consulting Sales Office South Jordan, Utah Development Office Provo, Utah www.aquaveo.com

5.  BS, 1986 – Brigham Young University  MS, 1988 – Universtiy of Texas at Austin  PhD, 1990 – Universtiy of Texas at Austin  Professor of Civil and Environmental Engineering – Brigham Young University  100+ technical publications  Original Developer of GMS  Principal – Aquaveo, LLC Norman L. Jones, Ph.D. Lead Technical Consultant

6. Michelle Smilowitz, M.E.S.  BA, 1997 –University of Pennsylvania  MES, 2000 – University of Pennsylvania  10 years GMS experience  Extensive ArcGIS experience  Lead Modeler  Steptoe Valley Groundwater Model  Project Manager  San Gabriel Valley Groundwater model  Numerous other groundwater projects Lead Modeler/Project Manager

7. Royd Nelson, M.S., P.E.  BS, 1982 – Brigham Young University  MS, 1983 – Brigham Young University  Licensed Professional Engineer (Utah)  1997-2007 President, EMS-I  Principal – Aquaveo, LLC  Administrative Project Manager  FHWA IDIQ Contract  Steptoe Valley Groundwater Model  Numerous other smaller modeling projects Administrative Project Lead

8. PROJECT OBJECTIVES

9. Objectives  Develop and calibrate a regional groundwater model  Potential applications  ASR design and operations management  Long-term groundwater supply analysis and management  Simulation tool for various groundwater-related studies in the area

10. Why MODFLOW?  Developed and supported by the USGS  Public Domain  Most widely-used groundwater model  Rich suite of add-ons, companion programs, and graphical user interfaces 1 1 2 4 11 9 5 7 8 3 10 6 1.Confined/unconfined aquifers 2.Interbeds 3.Faults and barriers 4.Confining units 5.Rivers 6.Drains and springs 7.Streams 8.Reservoirs 9.Recharge 10.Evapotranspiration 11.Wells

11. Contaminant Transport Modeling MT3DMS, RT3D, SEAM3D

12. Particle Tracking with MODPATH