Stockton East Water Supply Enhancement Project


SCH Number
Lead Agency
Stockton East Water District
Document Title
Stockton East Water Supply Enhancement Project
Document Type
NOP - Notice of Preperation

Document Description
The WESP is a master planned conjunctive management project that would acquire rights to existing unappropriated surface waters in the Calaveras River, Rock and Littlejohns Creeks, and the Stanislaus River. The purpose of the project would be to apply these waters to direct (in-lieu) recharge of the Eastern San Joaquin Groundwater Basin. The subject waters consist of flood releases and/or peak wet season flows. These waters would be taken under control at existing and new diversion facilities and conveyed by canals and pipelines to up to 7,000 acres of proposed recharge sites located in the vicinity of existing and proposed conveyance systems. The project would allow a maximum diversion and use of up to 598,900 acre-feet annually. The project would involve the construction of an intake expansion and one new intake on the Calaveras River, the construction of a new six-mile canal, the lining of eight miles of an existing SEWD canal, construction of an approximately 20-mile extension of the existing Upper Farmington Canal, and approximately 25 miles of pipeline ranging from 30 to 120 inches in diameter.

Contact Information
John Green
Stockton East Water District
P.O. Box 5157
Stockton, CA 95205



Stanislaus San Joaquin Calaveras
Calaveras River, Rock and Littlejohns Creeks, and the Stanislaus River

Notice of Completion

Review Period Start
Review Period End
Local Action
Other Action Other Action: Master planned conjunctive management project
Project Issues
Other Issues Landuse Water Quality Traffic/Circulation Toxic/Hazardous Soil Erosion/Compaction/Grading Public Services Population/Housing Balance Noise Geologic/Seismic Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual Other Issues: Global Climate Change
Reviewing Agencies
State Lands Commission Caltrans, District 10 California Department of Parks and Recreation California Department of Public Health California Highway Patrol Central Valley Flood Protection Board Department of Conservation Department of Fish and Wildlife, Region 2 Department of Fish and Wildlife, Region 4 Department of Water Resources Native American Heritage Commission Regional Water Quality Control Bd., Region 5 (Sacramento) Resources Agency State Water Resources Control Board, Division of Water Rights
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