September 30, 2005 Work Plan for Fiscal Year 2006
I. II. San Joaquin River Comprehensive Plan 3406(c)(1) Responsible Entities Agency Staff Name Reclamation Michael Jackson Reclamation Valerie Curley Role Deputy Area Manager Program Manager
III. Program Objectives for FY 2006 A. Continuation of on-going data gathering and study tool development activities. 1. Reclamation will continue the Millerton Lake hydrodynamic temperature model (CE-QUAL-W2) development, San Joaquin River hydrodynamic temperature model (HEC-5Q) development, and San Joaquin River HEC-RAS modeling efforts. These three model development efforts need to continue in FY06. 2. Reclamation has initiated Millerton Lake water quality monitoring and San Joaquin River water quality monitoring programs. The Millerton Lake data gathered is essential for the CE-QUAL-W2 reservoir model calibration and the river monitoring data is essential for the HEC-5Q river modeling calibration. B. Initiation of new activities to add to the study tools available for San Joaquin River rehabilitation planning. 1. Reclamation will initiate a groundwater monitoring program along the corridor of the San Joaquin River. The data from the monitoring program will be used to support a groundwater modeling effort of the San Joaquin River. Before a successful rehabilitation program can be developed, it is necessary to understand the interactions, if any, between the surface water and groundwater in various reaches of the San Joaquin River; specifically the hyporheic flows, stream-aquifer interaction, and thermodynamic processes affecting water temperature. 2. Efforts will be conducted to scope the development of reach-specific or targeted sediment transport modeling in support of future decision making regarding rehabilitation actions affecting fluvial geomorphic processes. 3. A geomorphic and ecological assessment which will include a review of historical data, all studies and demonstration efforts conducted to date by Reclamation, Fish and Wildlife Service, and others will be considered for the development of a San Joaquin River comprehensive plan. Additional analyses will be defined to address outstanding questions impacting rehabilitation. 4. Fishery issues are of a primary concern for San Joaquin River rehabilitation so a Fish Habitat Suitability and Fish Population model scoping effort will be initiated.

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