Environmental Impact Reports and Mitigated Negative Declarations

A partial listing of environmental documents prepared by the Water Authority can be found below. For more information on what is contained in an Environmental Impact Report (EIR), click here.

You may view and download an electronic copy of each listed document by clicking on the associated link. The documents are in PDF format. You will need to download a free copy of Adobe Acrobat Reader to view them. Some files contain large graphics and, depending on your connection speed, will take a longer time to download.

Note: If there is not a link available for an environmental document listed below, please check the website soon for updates.

Capital Improvement Project

To learn more about the Water Authority’s Capital Improvement Projects, please visit the Construction Projects page.

Carlsbad Desalination Project

Supplement to the Precise Development Plan and Desalination Plant Project EIR for the Carlsbad Desalination Plant Intake and Discharge Facility Modifications

Final SEIR and Appendices

Carlsbad Desalination Project

2006 Final EIR and 2009 First Addenda
2006 City of Carlsbad Resolution Approving FEIR, Findings of Fact, and MMRP
2009 City of Carlsbad Resolution Approving First Addendum to EIR and HMP 05-08
2012 Second Addendum  
2012 Second Addendum MMRP
2012 Water Authority Resolution Approving Second Addendum to EIR and MMRP
2013 Third Addendum
2013 Third Addendum MMRP
Water Authority Resolution Approving Third Addendum to EIR and MMRP
Approved Permits and Plans
2014 Fourth Addendum
2014 Fourth Addendum Approval

For more information about this project click here

Carryover Storage and San Vicente Dam Raise

Carryover Storage and San Vicente Dam Raise Final EIR/EIS
For more information about this project, click here.

Hauck Mesa Storage

Notice of Intent
MMRP
Final Mitigated Negative Declaration and Initial Study/Environmental Checklist
For more information about this project, click here.

Mission Trails Project

Mission Trails Flow Regulatory Structure II, Pipeline Tunnel and Vent Demolition Project Final EIR
For more information about this project click here.

Natural Community Conservation Plan / Habitat Conservation Plan

Final Natural Community Conservation Plan / Habitat Conservation Plan EIR/EIS

Nob Hill Pipeline Improvements Project

Final EIR

Regional Water Facilities Master Plan

2013 Regional Water Facilities Optimization and Master Plan Update Documents
For more information about this project click here.

Tijuana River Valley Wetlands Mitigation Project

For more information about this project click here.

Twin Oaks Valley Water Treatment Plant

Final EIR
For more information about this project click here.

 

Pipeline Relining Projects

To learn more about the Water Authority’s pipeline relining program, please visit the program page here.

Pipeline Relining at Lake Murray

Notice of Intent
Final Mitigated Negative Declaration and Initial Study/Environmental Checklist
Mitigation Monitoring and Reporting Program

For more information about this project, click here.

Mission Trails to Lake Murray Relining Project

Mission Trails to Lake Murray Relining Project Final MND
For more information about this project, click here.

Miramar Hill to Scripps Ranch Relining Project 

Miramar Hill to Scripps Ranch Relining Project Final MND
For more information about this project, click here.

San Luis Rey Relining Project

Final MND

Sweetwater to Lower Otay Relining Project

Final MND
Appendix A, Appendix B, Appendix C, Appendix D
Mitigation Monitoring and Reporting Program
For more information about this project, click here.
 

Emergency & Carryover Storage Project

To learn more about the Water Authority’s Emergency & Carryover Storage Project, please visit the program page here, which will also guide you to information on specific projects.

San Vicente Pipeline Project

For more information about this project, click here.  

Lake Hodges Projects  

For more information about this project, click here.


Other Projects

Application of Copper Based Algaecides at Five Reservoirs in San Diego County

Final Mitigated Negative Declaration

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