1. MORE WATER Phase I Reconnaissance Report C. Mel Lytle, Ph.D. Water Resource Coordinator San Joaquin County Public Works Board of Directors Update February 24, 2004 Mokelumne River Water & Power Authority

2. Project History Water Right & FERC Filing 1990 Water Right & FERC Filing 1990 Water and hydropower from Mokelumne River – Middle Bar Dam Water and hydropower from Mokelumne River – Middle Bar Dam Last chance from the Mokelumne Last chance from the Mokelumne Delays due to Regional & State Issues Delays due to Regional & State Issues Local Cost Share – County, Stockton & Lodi Local Cost Share – County, Stockton & Lodi Phase I Agreement with HDR, Inc. -April 2003 Phase I Agreement with HDR, Inc. -April 2003 Pardee Reservoir Mokelumne River Water & Power Authority

3. Regional Location Map Middle Bar Reservoir Duck Creek Reservoir Lower River Diversion Mokelumne River Water & Power Authority

4. Phase I Reconnaissance Study Establish Purpose and Need Screen Project Alternatives Determine Federal Lead Agency Identify Agency Concerns Establish an Environmental Strategy Duck Creek Site Mokelumne River Water & Power Authority

5. Purpose and Need An element in fulfilling the mission of the Countywide Water Management Plan An element in fulfilling the mission of the Countywide Water Management Plan To provide reliable water supplies To provide reliable water supplies To sustain current and future economic, social and environmental viability To sustain current and future economic, social and environmental viability Mokelumne River Water & Power Authority

6. Project Alternatives Approx. 15 Alternatives Reviewed Approx. 15 Alternatives Reviewed Mokelumne River Water & Power Authority

7. Duck Creek – Camanche Diversion Mokelumne River Water & Power Authority

8. Duck Creek – Pardee Diversion Mokelumne River Water & Power Authority

9. Duck Creek Reservoir Diversion 1,000 cfs diversion or 650 million gallons per day Mokelumne River Water & Power Authority

10. Duck Creek Dam & Reservoir 150,000 acre foot capacity 6 megawatt power capacity Mokelumne River Water & Power Authority

11. Lower River Diversion Mokelumne River Water & Power Authority

12. Project Economics Other Countywide Projects: acre feet/year Cost/acre foot City of Lodi 6,000 $200 City of Stockton28,000 $350 (treated) SEWD Farmington35,000 $130 SJC - Freeport44,000 $130 - $320 Mokelumne River Water & Power Authority

13. Countywide Water Projects Tier I New Melones Rights New Hogan Reoperation Farmington SSJID/OID Transfer South County Water Supply Stockton Delta Diversion Urban Conservation Tier II NSJWCD GW Recharge Agricultural Conservation Freeport Wastewater Reclamation Mokelumne River Tier III South Gulch American River Stockton Delta Diversion SJC Freeport Interconnect MORE WATER SEWD Farmington Program NSJ - GW Recharge SSJID/OID Transfers South County Water Supply Urban Conservation Potential Projects Feasibility Phase Design/Pilot Phase Implementation Phase Mokelumne River Water & Power Authority

14. Regulatory Agency Concerns Difficult to address common elements Difficult to write a valid purpose and need High potential for legal challenges and delay tactics Difficult to pass regulatory permitting phase Could add time and cost EBMUD CCWD State Water Contractors CALFED ISI Mokelumne River Association Corps DF&G USFWS USEPA NOAA Fisheries Mokelumne River Water & Power Authority

15. Project Development Strategy Project Development Strategy Phase II Phase II Engineering & Environ. Prepare Engineering Feasibility Study in parallel with Refined Water Management Plan Prepare Program EIR on Water Management Plan Prepare Project-Specific EIR/EIS Phase III Phase III Engineering & Design Phase IV Permitting & Construction Mokelumne River Water & Power Authority

16. Project Schedule Mokelumne River Water & Power Authority

17. Questions?