Arroyo Mocho Medeiros Reach Floodplain Reconnection Project

• Final Arroyo Mocho Initial Study/Mitigated Negative Declaration (February 2019)
• Appendices

Patterson Pass Water Treatment Plant Ugrades and Ozonation Project

• Final Initial Study/Mitigated Negative Declaration (September 2018)
• Project Information

Del Valle Water Treatment Plant Ozonation Project

• Final Initial Study/Mitigated Negative Declaration  (October 2017)

Stream Maintenance - Priority Projects 2016

• Final Initial Study/Mitigated Negative Declaration (July 2016)
• Appendix 1 - Air Quality and GHG Analysis
• Appendix 2 - Biological Assessment
• Appendix 3 - Waters Delineation

Arroyo Mocho Stanley Reach Riparian Restoration & Channel Enhancement Pilot Project 

• Final Environmental Initial Study/Mitigated Negative Declaration (March 2013)
  
  
  • Appendices A & B
  • Appendices C, D & E
  • Appendix F

Cope Lake Improvements and Maintenance

• Final Environmental Initial Study/Draft Mitigated Negative Declaration (January 2012)

Patterson Pass Water Treatment Plant Sanitary Sewer Pipeline

• Final Initial Study/Mitigated Negative Declaration (December 2011) 

Solar Photovoltaic Project DVWTP

• Final Initial Study/Mitigated Negative Declaration (2008) 

Arroyo Las Positas Weir Replacement

• Initial Study/Mitigated Negative Declaration (2008) 
• Appendices (6.6 Mb)

PPWTP Ammonia Facility Replacement Project

• Initial Study/Mitigated Negative Declaration (2006) 

State Dept. of Water Resources' South Bay Aqueduct Improvement & Enlargement Project 

•  Conformed EIR (2005)
  • Table of Contents/Introduction
  • Draft EIR
    • Summary, Chapters 1-2 
    • Chapter 3 
    • Chapters 4-8 and Appendices 
  • Final EIR/Response to Comments
    • Cover, Introduction, Chapter 1 
    • Chapter 2 
    • Chapters 3 and 4  
    • Findings 

Mocho Groundwater Demineralization Plant

• Final Initial Study/Mitigated Negative Declaration (August 2006)

 Stream Management Master Plan

• Final EIR (2006)

Well Master Plan

• Final EIR Response to Comments (2005) 
• Draft EIR (2004) 

Altamont Water Treatment Plant & Pipeline Project

• Altamont Pipeline Final EIR (2005)
  • For a copy of the Altamont Pipeline Draft EIR (September 2004), please call 925-454-5000.
• Altamont Pipeline EIR Addendum (February 2006) 
• Altamont Water Treatment Plant EIR Addendum (2006) 
• PG&E Power Pole Relocation CEQA Addendum (2006) 
• Altamont Water Treatment Plant Response to Comments on Draft EIR (May 2001)
• Altamont Water Treatment Plant Draft EIR (January 2001)