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John Epperson

John Epperson

Of Counsel


  • Energy & Natural Resources Law
  • Government, Regulatory & Administrative Law

WSG Practice Industries


California, U.S.A.


Mr. Epperson is a member of the Firm’s Energy & Natural Resources Group in the San Francisco office. Mr. Epperson has a wide range of experience in environmental, health and safety law. He counsels clients regarding regulatory compliance, transactions, and permitting/entitlement issues.  In addition, he represents clients in administrative enforcement actions and advises clients in their efforts to investigate and remediate contaminated properties, including associated cost recovery efforts and regulatory agency oversight.  Mr. Epperson provides transactional due diligence, identifying and resolving environmental and natural resource issues to facilitate transactions, including for renewable energy projects.

Mr. Epperson has extensive experience before federal, state, and local regulators and district attorneys regarding environmental, health and safety issues. His practice includes; the Clean Water Act (including stormwater, discharge permits, and citizen suits), RCRA, CERCLA, and their state law equivalents; green chemistry/sustainability issues; California’s Proposition 65; and investigation of occupational accidents, workplace inspections and enforcement actions under federal and state OSHA(s).

In addition to his practice, Mr. Epperson serves as an adjunct professor at Golden Gate University School of Law, is an advisor to the Bar Association of San Francisco Environmental Law Section Executive Committee, and is a former member of the California State Bar Environmental Law Section Executive Committee. Mr. Epperson was also elected to serve as the Secretary of the 2020 Executive Committee of the Bar Association of the San Francisco’s Environmental Law Section.

Bar Admissions

  • California
  • Washington (Inactive)


  • Lewis and Clark Law School
  • Purdue University
Areas of Practice

Energy & Natural Resources Law | Environmental Law Practice | Government, Regulatory & Administrative Law


Buchalter COVID-19 Client Alert: Cal/OSHA Emergency COVID-19 Workplace Safety Standard Takes Effect
Buchalter, December 2020

  Cal/OSHA has promulgated emergency regulations for preventing COVID-19 transmission in the workplace (the “Emergency Standard,” or the “Standard”). The Emergency Standard became effective immediately upon approval by the Office of Administrative Law on November 30, 2020, and will remain in effect for six months. It may be extended or converted to permanent regulations by Cal/OSHA. The Emergency Standard, now codified in Title 8, sections 3205; 3205...

Buchalter COVID-19 Client Alert: San Francisco Moves to Lowest COVID Tier in California, Begins Process of Reopening Non-Essential Offices; Other Bay Area Counties Slower to Follow
Buchalter, November 2020

On October 20, 2020, San Francisco County was upgraded to the “minimal” tier within the California COVID-19 tracking system, meaning it has the fewest restrictions on reopening all businesses as promulgated by the State of California. In order to qualify for the “minimal” tier, a county must have an infection rate of less than one daily new positive COVID case per 100,000 residents and have a positive test rate of less than 2% for two consecutive weeks...

Buchalter COVID-19 Client Alert: Guidance in Implementing San Francisco Department of Public Health COVID-19 Health Screening Forms
Buchalter, September 2020

San Francisco’s Department of Public Health (“SFDPH”) issued yet-another update to its Shelter-in-Place Order, C19-07, on September 14, 2020 (now up to version “i”). This order has been frequently modified to reflect changes in other state and local directives, as more is learned about the disease and as more businesses are allowed to re-open...

Additional Articles

  • Major Changes Coming to Prop 65 “Short-Form” Warnings
  • Buchalter COVID-19 Client Alert: Cal/OSHA Emergency COVID-19 Workplace Safety Standard Takes Effect
  • Buchalter COVID-19 Client Alert: California Employers Will Soon Have to Take Action upon Notice of Potential Covid-19 Exposure within One Business Day
  • Buchalter COVID-19 Client Alert: Guidance in Implementing San Francisco Department of Public Health COVID-19 Health Screening Forms
  • Some Relief for Generators of Retail Hazardous Waste in Sight
  • Buchalter COVID-19 Client Alert: UPDATE: San Francisco’s Emergency Ordinance on Cleaning Commercial Office Buildings and Hotels Signed by Mayor and Became Effective July 17, 2020
  • Draft General Permit for Winery Wastewater Discharge Released for Comment
  • Buchalter COVID-19 Client Alert: San Francisco Supervisors Pass COVID-19 Emergency Ordinance on Cleaning Hotels and Commercial Office Buildings
  • Federal Court Prohibits Prop 65 Warning on Glyphosate-based Herbicides
  • Buchalter COVID-19 Client Alert: San Francisco Continues “Shelter in Place” Order with Limited Expansion of Essential Business Operations
  • Buchalter Client Alert COVID-19: Planning for Re-Opening: What Owners, Property Managers and Users of Office and Retail Properties Should Consider
  • Buchalter Client Alert COVID-19: Environmental Compliance during COVID-19 (Hint: EPA did not Suspend Environmental Laws)
  • CalEPA Draft Vapor Intrusion Guidance Released for Public Comment
  • Businesses Must Now Demonstrate Storm Water Permit Compliance to Get a Business Permit

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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