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William D. Marsh
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William D. Marsh

Partner

  • Environmental Litigation|
  • Brownfields|
  • Site Cleanup and Compliance|
San Francisco
415.907.8711
wmarsh@kaplankirsch.com
  • Overview
  • Representative Experience
  • Resources and News
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With over twenty years of experience in complex environmental matters, I provide clients with strategic expertise and zealous advocacy, with an emphasis on building outstanding and respectful relationships with regulatory agencies, consultants, and opposing counsel.

Bill Marsh’s practice focuses on a broad range of complex litigation and environmental matters. He has extensive experience representing public and private entities in federal and state court litigation, including motion practice, oral argument, expert and fact discovery, pre-trial motions, and negotiations of settlements involving water quality issues and contaminated property. Bill has also spearheaded redevelopment of contentious brownfield projects and has substantial knowledge of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), California’s Hazardous Substances Account Act, the Endangered Species Act, the Clean Water Act, and the California Environmental Quality Act (CEQA).

Bill regularly counsels municipalities and private entities in due diligence regarding environmental liability, statutory, and regulatory compliance issues, having recently represented government entities in major Clean Water Act and CERCLA matters in federal court.

Bill also formerly worked on Clean Water Act, water rights, CEQA, and CERCLA matters with the California Attorney General’s office and the United States Department of the Interior. 

Representative Experience

  • Representing property owner in ongoing dispute with Intel Corporation over contaminated soil and groundwater issues after having secured agreement for property remediation in the event of redevelopment
  • Representing property owner in negotiations with a regulatory agency regarding remediation of contaminated property and associated groundwater plume

Prior to joining the Firm:

  • Represented numerous clients in complex environmental and environmental insurance coverage litigation, including CERCLA cost recovery actions, citizen suits, and toxic tort, s involving property and groundwater contamination issues
  • Successfully represented owner of retail shopping center as lead counsel in dispute with Conoco Phillips over contaminated soil and groundwater issues, leading to productive reuse of the property
  • Successfully represented local property owner as lead counsel in litigation against Waste Management subsidiary over contaminated property in redevelopment zone, leading to full cleanup of the property and mixed-use development
  • Represented receiver appointed by the court to manage retail shopping center and related contamination and vapor intrusion issues, as lead counsel, leading to regulatory-approved interim vapor mitigation measures and cleanup plan
  • Primary attorney representing Fortune 100 company in controversial brownfield redevelopment project at a Superfund site involving over $30 million remedy, a myriad of federal and state environmental statutory and regulatory issues, and related insurance coverage, CERCLA cost recovery, and CEQA litigation
  • Lead counsel representing California agency in citizen suit concerning alleged noncompliance with stormwater regulations under the Clean Water Act

Resources and News

News

  • The Supreme Court Holds the Clean Water Act does not Authorize EPA to Include Receiving Water Limitations in San Francisco’s NPDES Permit

    News | March 11, 2025

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Practices

  • Brownfields
  • Climate Policy & Litigation
  • Conservation Easements
  • Endangered Species & Wildlife Issues
  • Environment
  • Environment, Public Lands, and Conservation Litigation
  • Environmental Due Diligence
  • Environmental Impact Reviews
  • Environmental Litigation
  • Land Use and Zoning
  • Litigation
  • Real Estate, Land Use, and Zoning Litigation
  • Site Cleanup and Compliance

Education

  • J.D., University of California Law, San Francisco (formerly Hastings College of the Law), Dean's Honor List, 1998
  • B.A., University of California, Riverside, Dean's Honor List, 1990

Bar & Court Admissions

Bar Admissions

  • California, 1998

Court Admissions

  • U.S. District Court, Northern District, California, 1998
  • U.S. District Court, Eastern District, California, 1998
  • U.S. District Court, Central District, California, 1998
  • U.S. District Court, Southern District, California, 1998

Organizations

  • Legal Aid Society of San Diego
  • Audubon Society
  • Public Interest Research Group

Honors

  • UCR Alumni Scholarship winner, 1990
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