Click on the boxes in the flow-chart below to view documents from each phase of the process.
Biological Reports
| Type | Download | Document Name | Publish Date | Size |
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Click to Download | Topock Revegetation Year 1 Mitigation Monitoring Report | January 31, 2024 | 40.83 MB |
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Click to Download | 2021 SW Willow Flycatcher Presence Absence Survey | October 1, 2021 | 14.32 MB |
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Click to Download | Final Topock Compressor Station Summer 2019 Roosting Bat Surveys Report | October 28, 2020 | 4.86 MB |
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Click to Download | Technical Memorandum: Status of the Transplantation Effort and Recommendations for Future Transplantation Efforts, Topock Groundwater Remedy | April 30, 2020 | 202.22 KB |
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Click to Download | Final Technical Memorandum: PG&E Topock Photo Documentation Plan | May 24, 2018 | 8.56 MB |
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Click to Download | Addendum to Pacific Gas and Electric Company's Topock Groundwater Remediation Project Pre-Construction Floristic Survey Report - Late Season Survey 2017 | March 5, 2018 | 1.09 MB |
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Click to Download | 2017 Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | October 31, 2017 | 9.62 MB |
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Click to Download | Topock Groundwater Remediation Project Pre-Construction Floristic Survey Report – Spring 2017 | October 31, 2017 | 4.74 MB |
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Click to Download | Biological Resources Completion Report for the Topock Remediation Project: Soil Investigation between 2015 and 2017 | June 23, 2017 | 6.33 MB |
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Click to Download | Soil RCRA Facility Investigation/Remedial Investigation Riparian and Sensitive Habitat Impact Evaluation, Topock Compressor Station, California | May 26, 2017 | 4.79 MB |
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Click to Download | 2015 Western Yellow-Billed Cuckoo Presence / Absence Surveys for the PG&E Topock Compressor Station | November 30, 2015 | 6.89 MB |
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Click to Download | Topock Compressor Station Summer Roosting Bat Surveys and Potential Project Impacts Final Report | November 5, 2015 | 3.21 MB |
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Click to Download | Desert Tortoise Habitat Survey, Topock Compressor Station Evaporation Ponds and Access Roadway | April 2, 2015 | 1.35 MB |
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Click to Download | Preliminary Habitat Analysis for Bat Use at PG&E Topock Remediation Project, San Bernardino County, California | March 2, 2015 | 241.68 KB |
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Click to Download | Assessment of Potential Impacts to Four Special-Status Species for Soil Environmental Impact Report Investigation and Final Groundwater Remedy Areas, Topock Compressor Station, California | February 11, 2015 | 7.21 MB |
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Click to Download | Western Yellow-Billed Cuckoo Presence/Absence Surveys for the PG&E Topock Compressor Station | December 22, 2014 | 4.65 MB |
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Click to Download | 2014 Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | October 29, 2014 | 7.48 MB |
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Click to Download | Biological Resources Completion Report for the Topock Remediation Project: Evaluation of Alternative Freshwater Sources, PG&E Topock Compressor Station, Needles, California | September 11, 2014 | 6.58 MB |
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Click to Download | Biological Completion Report for the Topock Remediation Project: Utility Potholing, PG&E Topock Compressor Station, Needles, California | August 8, 2014 | 3.3 MB |
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Click to Download | Biological Resources Completion Report for MW-38 Repair and Excavation of Abandoned Well TCS-4, PG&E Topock Compressor Station, Needles, California | June 3, 2014 | 1.93 MB |
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Click to Download | Addendum to the January 2012 Mature Plant Report for the Topock Compressor Station Final Groundwater Remedy | May 19, 2014 | 6.28 MB |
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Click to Download | Riparian Vegetation and California Department of Fish and Wildlife Jurisdiction for the Topock Compressor Station Groundwater Remediation Project, San Bernardino County, California | May 9, 2014 | 8.42 MB |
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Click to Download | Final Bird Impact Avoidance and Minimization Plan, Topock Groundwater Remediation Project | April 30, 2014 | 1.72 MB |
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Click to Download | Programmatic Biological Assessment for Pacific Gas and Electric Topock Compressor Station Final Groundwater Remedy | April 28, 2014 | 4.79 MB |
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Click to Download | Wetlands and Waters of the United States, Final Delineation for the Topock Compressor Station Groundwater Remediation Project, San Bernardino County, California | April 18, 2014 | 51.26 MB |
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Click to Download | Supplemental Ethnobotanical Plant Surveys for the Pacific Gas and Electric Company's Topock Compressor Station, San Bernardino County, California | February 28, 2014 | 646.14 KB |
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Click to Download | Revised Final Topock Groundwater Remediation Project Ethnobotany Survey Report | January 15, 2014 | 5.43 MB |
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Click to Download | Biological Resources Completion Report for Utility Potholing - PG&E Topock Compressor Station, Needles, California | January 14, 2014 | 5.12 MB |
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Click to Download | Revised Final Topock Groundwater Remediation Project Floristic Survey Report, PG&E Topock Compressor Station, Needles, California | December 30, 2013 | 9.21 MB |
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Click to Download | Desert Tortoise Presence/Absence Surveys for the PG&E Topock Arizona Freshwater Sites | October 17, 2013 | 1.72 MB |
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Click to Download | Cumulative Project Footprint Update (2010-2012) for Field Work Performed in Accordance with the Programmatic Biological Assessment for the Pacific Gas and Electric Company Topock Compressor Station | October 11, 2013 | 115.31 KB |
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Click to Download | Biological Resources Completion Report for the Geophysical Survey - Topock Compressor Station Groundwater Investigation, Topock Compressor Station, Needles, California | September 1, 2013 | 1.48 MB |
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Click to Download | Wetlands and Water of the United States, Delineation for the Topock Compressor Station Groundwater Remediation Project, San Bernardino County, California | August 22, 2013 | 34.6 MB |
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Click to Download | Figures to the Wetlands and Water of the United States, Delineation for the Topock Compressor Station Groundwater Remediation Project, San Bernardino County, California | August 12, 2013 | 17.15 MB |
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Click to Download | 2012 Focused Survey for the Yuma Clapper Rail and California Black Rail at the Pacific Gas and Electric Groundwater Remediation Project Site, Needles, California | March 29, 2013 | 2.64 MB |
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Click to Download | 2012 Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | December 31, 2012 | 8.55 MB |
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Click to Download | Extension and Modification of the Programmatic Biological Assessment for Pacific Gas and Electric Topock Compressor Station Remedial and Investigative Actions, January 2007 - December 2012 | December 31, 2012 | 176.49 KB |
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Click to Download | Biological Resources Completion Report for the East Ravine – Topock Compressor Ravine – Topock Compressor Station Groundwater Investigation, PG&E Topock Compressor Station, Needles, California | December 14, 2012 | 2.86 MB |
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Click to Download | Biological Resources Completion Report for AOC 4 Removal Action, Topock Compressor Station, Needles, California | February 24, 2011 | 5.62 MB |
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Click to Download | 2010 Southwestern willow flycatcher presence/absence surveys for PG&E Topock Compressor Station | September 1, 2010 | 5.29 MB |
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Click to Download | Cumulative Project Footprint Update (2007-2009) For Field Work Authorized Under MSAA No. 1600-2005-0140-R6, Topock Compressor Station, Needles, California | February 24, 2010 | 73.72 KB |
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Click to Download | Cumulative Project Footprint Update (2007-2009) for Field Work Performed in Accordance with Programmatic Biological Assessment for Pacific Gas and Electric Company Topock Compressor Station (Consultation Reference: AESO/SE 22410-2006-I-0333, 8 Feb 2007) | February 24, 2010 | 100.44 KB |
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Click to Download | Proposed Frequency Modifications for Protocol Surveys Performed in accordance with the Programmatic Biological Assessment for PG&E Topock Compressor Station, Needles, California | February 24, 2010 | 60.35 KB |
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Click to Download | 2009 Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | September 28, 2009 | 5.1 MB |
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Click to Download | 2009 Desert Tortoise Presence/Absence Survey Report for the PG&E Topock Compressor Station, Needles, California | September 24, 2009 | 5 MB |
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Click to Download | Biological Resources Completion Report for the East Ravine Groundwater Investigation, Topock Compressor Station Needles, California | September 22, 2009 | 3.86 MB |
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Click to Download | Biological Resources Completion Report for the Soil Investigation Project, PG&E Topock Compressor Station, Needles, California | December 23, 2008 | 3.47 MB |
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Click to Download | 2008 Southwestern Willow Flycatcher Presence/Absence Surveys for the PG&E Topock Compressor Station | September 18, 2008 | 1.7 MB |
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Click to Download | Desert Tortoise Presence/Absence Survey Report for 2008, PG&E Topock Compressor Station, Needles, California Executive Summary | July 11, 2008 | 196.96 KB |
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Click to Download | Desert Tortoise Presence/Absence Surveys (Garcia and Associates) - Final | July 11, 2008 | 4 MB |
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Click to Download | Biological Resources Completion Report for the Arizona Drilling Project: PG&E Topock Compressor Station, Needles, California | June 18, 2008 | 1.1 MB |
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Click to Download | Biological Resources Completion report for the Upland In-Situ Pilot Test and Associated Activities: PG&E Topock Compressor Station, Needles, California | April 23, 2008 | 1.13 MB |
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Click to Download | 2007 Southwestern Willow Flycatcher Presence/Absence Surveys (Garcia and Associates) - with Appendices | September 17, 2007 | 6.86 MB |
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Click to Download | Desert Tortoise Presence/Absence Surveys (Garcia and Associates) | July 6, 2007 | 633.88 KB |
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Click to Download | Biological Resources Completion Report for CA Slant Drilling Project: Topock Compressor Station | May 29, 2007 | 10.34 MB |
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Click to Download | Final Programmatic Biological Assessment for Pacific Gas and Electric Company Topock Compressor Station Remediation and Investigative Actions | March 6, 2007 | 25.28 MB |
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Click to Download | Topock Compressor Station Southwestern Willow Flycatcher Survey Report, Garcia and Associates, August 2006 | August 1, 2006 | 9.11 MB |
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Click to Download | Topock Compressor Station Desert Tortoise Presence/Absence Survey Report, Garcia and Associates, July 2006 | July 13, 2006 | 3.25 MB |
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Click to Download | Biological Resources Compliance Report for the IMPM Program: Topock Compressor Station Expanded Groundwater Extraction and Treatment System Needles, California | June 19, 2006 | 2.57 MB |
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Click to Download | Notification of Emergency Stream Alteration Work - February 17, 2006 | June 1, 2006 | 159.66 KB |
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Click to Download | Notification Number 1600-2005-0140-R6 | May 1, 2006 | 122.39 KB |
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Click to Download | Site Access and Sampling Procedures for Groundwater Monitoring Wells Located Near Potential Southwestern Willow Flycatcher Habitat, Rev. 3 | April 20, 2006 | 1.14 MB |
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Click to Download | Topock Construction Activities - Biological Resources Completion Report for the PE-1 Pipeline and Floodplain In-situ Pilot Study | March 28, 2006 | 30.22 MB |
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Click to Download | Biological Assessment for the Pacific Gas and Electric Topock Compressor Station Remedial and Investigative Actions (PE-1 pipeline and In-Situ Floodplain) | November 4, 2005 | 4.99 MB |
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Click to Download | Biological Resources Survey Report for the Area of Potential Effect | October 12, 2005 | 484.37 KB |
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Click to Download | Biological Resources Completion Report for Interim Measures No. 3: Topock Compressor Station Expanded Groundwater Extraction and Treatment System | September 27, 2005 | 3.33 MB |
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Click to Download | Land Use Area Subject to Groundwater Well Installation Biological Resource Monitoring Report - Completion Report | April 18, 2005 | 4.46 MB |
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Click to Download | Final Biological Resources Investigations for Interim Measures No. 3 | September 1, 2004 | 13.25 MB |