MORE WATER Phase I Reconnaissance Report

1. MORE WATERPhase I ReconnaissanceReport C. Mel Lytle, Ph.D. Water Resource CoordinatorSan Joaquin County Public Works Board of Directors UpdateFebruary 24, 2004 Mokelumne River Water & Power Authority

2. Project History • Water Right & FERC Filing 1990 • Water and hydropower from Mokelumne River – Middle Bar Dam • “Last chance from the Mokelumne” • Delays due to Regional & State Issues • Local Cost Share – County, Stockton & Lodi • 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 • To provide reliable water supplies • To sustain current and future economic, social and environmental viability Mokelumne River Water & Power Authority

6. Project Alternatives • 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 Stockton 28,000 $350 (treated) SEWD Farmington 35,000 $130 SJC - Freeport 44,000 $130 - $320 Mokelumne River Water & Power Authority

13. Countywide Water Projects Potential Projects Feasibility Phase Design/Pilot Phase Implementation Phase 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 Mokelumne River Water & Power Authority

14. Regulatory Agency Concerns • EBMUD • CCWD • State Water Contractors • CALFED ISI • Mokelumne River Association • Corps • DF&G • USFWS • USEPA • NOAA Fisheries • 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 Mokelumne River Water & Power Authority

15. Project Development Strategy • Phase IIEngineering & 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 IIIEngineering & Design • Phase IV Permitting & Construction Mokelumne River Water & Power Authority

16. Project Schedule Mokelumne River Water & Power Authority

17. Questions? Mokelumne River Water & Power Authority