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​Water Storage Investment Program Project Review Portal

Proposition 1 dedicated $2.7 billion for investments in new water storage projects.  The California Water Commission (Commission), through the Water Storage Investment Program (WSIP), will fund the public benefits of these projects.

The application period for WSIP funding closed on August 14, 2017. All applications received by the Commission and information and documentation related to the review process can be found on this page. 

This page will be updated as more information and documents become available.

Commission staff is in the process of uploading applicant responses to the completeness and basic eligibility letters. Documents that have been added to the applications can be found at the bottom of each project's application page under "Documents Provided After the Completeness and Basic Eligibility Review."

  
  
  
  
  
Claimed Public Benefit
  
  
  
Sites Project AuthoritySites ProjectLink to ApplicationIn Technical ReviewSurface Storage Projects Identified in the CALFED RODEcosystem Improvements, Water Quality Improvements, Flood Control Benefit, Emergency Response, Recreational Purposes$1,662 M$5,176 M
Contra Costa Water DistrictLos Vaqueros Reservoir Expansion ProjectLink to ApplicationIn Technical ReviewSurface Storage Projects Identified in the CALFED RODEcosystem Improvements, Emergency Response, Recreational Purposes$434 M$795 M
Southern California Water Bank AuthorityWillow Springs Water Bank Conjunctive Use ProjectLink to ApplicationIn Technical ReviewConjunctive UseEcosystem Improvements, Emergency Response$306 M$343 M
San Joaquin Valley Water Infrastructure AuthorityTemperance Flat Reservoir ProjectLink to ApplicationIn Technical ReviewSurface Storage Projects Identified in the CALFED RODEcosystem Improvements, Flood Control Benefit, Emergency Response, Recreational Purposes$1,330 M$2,661 M
Nevada Irrigation DistrictCentennial Water Supply ProjectLink to ApplicationIn Technical ReviewLocal Surface StorageEcosystem Improvements, Recreational Purposes$12 M$324 M
Santa Clara Valley Water DistrictPacheco Reservoir Expansion ProjectLink to ApplicationIn Technical ReviewRegional Surface StorageEcosystem Improvements, Flood Control Benefit, Emergency Response$485 M$969 M
Inland Empire Utilities AgencyChino Basin Conjunctive Use Environmental Water Storage/Exchange ProgramLink to ApplicationIn Technical ReviewConjunctive UseEcosystem Improvements, Water Quality Improvements, Emergency Response$480 M$480 M
River PartnersSan Joaquin River & Tributaries Conjunctive UseLink to ApplicationIneligibleConjunctive UseEcosystem Improvements, Water Quality Improvements$22 M$22 M
Semitropic Water Storage DistrictThe Tulare Lake Storage and Floodwater Protection ProjectLink to ApplicationIn Technical ReviewConjunctive UseEcosystem Improvements, Flood Control Benefit, Emergency Response, Recreational Purposes$452 M$603 M
Irvine Ranch Water District/Rosedale-Rio Bravo Water Storage DistrictKern Fan Groundwater Storage ProjectLink to ApplicationIn Technical ReviewGroundwater StorageEcosystem Improvements, Emergency Response$86 M$171 M
City of San Diego - Public Utilities DepartmentPure Water San Diego Program North City Phase 1Link to ApplicationIn Technical ReviewLocal Surface StorageEcosystem Improvements, Water Quality Improvements, Emergency Response, Recreational Purposes$219 M$1,210 M
Sacramento Regional County Sanitation District (Regional San)South Sacramento County Agriculture & Habitat Lands Recycled Water, Groundwater Storage, and Conjunctive Use Program (South County Ag Program)Link to ApplicationIn Technical ReviewConjunctive UseEcosystem Improvements, Water Quality Improvements, Emergency Response, Recreational Purposes$304 M$373 M

Completeness and Basic Eligibility Letters & Responses

Per section 6006 of the WSIP regulations, Commission staff reviewed each application for completeness and basic eligibility and notified applicants of any deficiencies identified during this review. The letters that were sent to applicants can be found in the table below.

  
  
  
  
Nevada Irrigation DistrictCentennial Water Supply ProjectCWC LetterApplicant Response
Sites Project AuthoritySites ProjectCWC LetterApplicant Response
Contra Costa Water DistrictLos Vaqueros Reservoir Expansion ProjectCWC LetterApplicant Response
Southern California Water Bank AuthorityWillow Springs Water Bank Conjunctive Use ProjectCWC LetterApplicant Response
San Joaquin Valley Water Infrastructure AuthorityTemperance Flat Reservoir ProjectCWC LetterApplicant Response
Santa Clara Valley Water DistrictPacheco Reservoir Expansion ProjectCWC LetterApplicant Response
Inland Empire Utilities AgencyChino Basin Conjunctive Use Environmental Water Storage/Exchange ProgramCWC LetterApplicant Response
River PartnersSan Joaquin River & Tributaries Conjunctive UseCWC LetterApplicant Response
Semitropic Water Storage DistrictThe Tulare Lake Storage and Floodwater Protection ProjectCWC LetterApplicant Response
Irvine Ranch Water District/Rosedale-Rio Bravo Water Storage DistrictKern Fan Groundwater Storage ProjectCWC LetterApplicant Response
City of San Diego - Public Utilities DepartmentPure Water San Diego Program North City Phase 1CWC LetterApplicant Response
Sacramento Regional County Sanitation District (Regional San)South Sacramento County Agriculture & Habitat Lands Recycled Water, Groundwater Storage, and Conjunctive Use Program (South County Ag Program)CWC LetterApplicant Response