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  2. About EPA

Organization of EPA's Region 9 Office in San Francisco

Serving Arizona, California, Hawaii, Nevada, Pacific Islands, and 148 Tribal Nations

On this page:
  • Organization Chart
  • Leadership and Organizational Responsibilities
  • Divisions

Organization Chart

 
Office of the Regional Administrator
  • About the Office of the Regional Administrator

Air and Radiation Division

  • About the Air and Radiation Division

Land, Chemicals, and Redevelopment Division

  • About the Land, Chemicals, and Redevelopment Division

Office of Regional Counsel

  • About the Office of Regional Counsel

Water Division

  • About the Water Division

Enforcement and Compliance Assurance Division

  • About the Enforcement and Compliance Assurance Division

Laboratory Services and Applied Science Division

  • About the Laboratory Services and Applied Science Division

Mission Support Division

  • About the Mission Support Division

Superfund and Emergency Management Division

  • About the Superfund and Emergency Management Division

Leadership and Organizational Responsibilities

Office of the Regional Administrator

  • (415) 947-8702 or
  • (866) EPA-WEST (372-9378)

Acting Regional Administrator: Mike Martucci

  • Biography

Deputy Regional Administrator: Cheree Peterson

How We're Organized

Public Affairs Office

Director: Mike Alpern

  • Press and Social Media
  • Congressional and Intergovernmental Relations
  • Web
  • Correspondence
  • Internal Communications

Other Programs

Director: Laura Ebbert

  • National Environmental Policy Act (NEPA)
  • Community Eengagement
  • Children’s Health
  • Environmental Education
  • Tribal Affairs
  • U.S.-Mexico Border Program
  • Pacific Islands

Also in the Office of the Regional Administrator

  • International Affairs
  • Equal Employment Opportunity (EEO) and Special Emphasis Programs

EPA Region 9 Divisions

  • Air and Radiation Division
  • Enforcement and Compliance Assurance Division
  • Laboratory Services and Applied Science Division
  • Land, Chemicals, and Redevelopment Division
  • Mission Support Division
  • Office of Regional Counsel
  • Superfund and Emergency Management Division
  • Water Division

Air and Radiation Division

Acting Director, Anita Lee

How We're Organized

  • Management and Operations Branch
  • Planning and Analysis Branch
  • Permits and Rules Branch
  • Communities and Partnerships Branch

Programs We Administer

  • Planning
  • Permits
  • Rules
  • Air toxics, radiation and indoor air
  • Air quality analysis
  • Grants
  • Technology and partnerships

Enforcement and Compliance Assurance Division

Director: Amy Miller

How We're Organized:

  • Air, Waste and Chemicals Branch
  • Water Branch
  • Data Solutions Branch

Programs We Administer

  • Compliance inspection
  • Case development
  • State oversight
  • Compliance data management and analysis
  • Tips and complaints

Laboratory Services and Applied Science Division

Director: Duane James

How We're Organized

  • Laboratory Services Branch
  • Quality Assurance Branch
  • Field Services Branch

Programs We Administer

  • Quality management
  • Scientific integrity
  • Lab services

Land, Chemicals, and Redevelopment Division

Director: Claire Trombadore

How We're Organized

  • Planning and State Development Office
  • Pesticides, Toxics and Brownfields Branch
  • Resource Conservation and Recovery Act (RCRA) Branch

Programs We Administer

  • Brownfields
  • Pesticides
  • Toxics
  • Resource Conservation and Recovery Act
  • RCRA and TSCA corrective action and permits
  • Underground storage tank program
  • Solid waste and municipal landfills
  • Sustainable materials management
  • Pollution prevention

Mission Support Division

Director: Kerry Drake

How We're Organized

  • Human Resources Branch
  • Contracts Branch
  • Financial Management Branch
  • Infrastructure Services Branch
  • Grants Branch

Programs We Administer

  • Information technology/management
  • Superfund cost accounting
  • Budget and finance
  • Human resources
  • Health and safety/facilities
  • Strategic planning
  • Grants management
  • Contracts management

Office of Regional Counsel

Regional Counsel: Suzanne Andrews

How We're Organized

  • Hazardous Waste Branch
  • Air, Toxics, Water and General Law Branch

Programs We Administer

  • Enforcement
  • Ethics
  • Legal counseling
  • Freedom of Information Act (FOIA)

Superfund and Emergency Management Division

Director: Michael Montgomery

How We're Organized

  • Program Management Office
  • Northern California Site Cleanup Branch
  • Southern California Site Cleanup Branch
  • States and Islands Site Cleanup Branch
  • Emergency Response, Planning and Preparedness Branch
  • Tribal Land Cleanup Branch

Programs We Administer

  • Site cleanup
  • Federal facilities and base closures
  • Emergency response and planning
  • Site assessment
  • Oil pollution
  • Partnerships, land, revitalization cleanup

Water Division

Director: Tomás Torres

How We're Organized:

  • Resources and Operations Office
  • Surface Water Branch
  • Tribal and State Assistance Branch
  • Groundwater and Drinking Water Branch

Programs We Administer

  • Clean Water Act
  • Safe Drinking Water Act
  • Marine Protection, Research and Sanctuaries Act

About EPA

  • Our Mission and What We Do
  • EPA Organization Chart
  • Headquarters Offices
    • Office of the Administrator
    • Office of Air and Radiation
    • Office of Chemical Safety and Pollution Prevention
    • Office of Enforcement and Compliance Assurance
    • Office of Finance and Administration
    • Office of General Counsel
    • Office of Inspector General
    • Office of International and Tribal Affairs
    • Office of Land and Emergency Management
    • Office of Research and Development
    • Office of Water
  • Regional Offices
  • Labs and Research Centers
  • U.S. States and Territories Environmental Agencies
  • Mailing Addresses and Phone Numbers
Contact EPA
Contact EPA to ask a question, provide feedback, or report a problem.
Last updated on March 27, 2026
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