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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

Environmental Justice, Community Engagement and Environmental Review Division

About the Environmental Justice, Community Engagement and Environmental Review 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)

Regional Administrator: Josh F.W. Cook

  • Biography

Deputy Regional Administrator: Cheree Peterson

How We're Organized

Public Affairs Office

Director: Michael Alpern

Programs We Administer

  • Public Affairs
  • Tribal Affairs
  • International Affairs
  • Congressional and Intergovernmental Relations
  • Equal Employment Opportunity (EEO) and Special Emphasis Programs

EPA Region 9 Divisions

  • Air and Radiation Division
  • Enforcement and Compliance Assurance Division
  • Environmental Justice, Community Engagement and Environmental Review 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

Director: Matt Lakin

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

Environmental Justice, Community Engagement and Environmental Review Division

Director: Laura Ebbert

How We're Organized

  • Policy and Operations Branch
  • Intergovernmental Branch
  • Communities Branch

Programs We Administer

  • Environmental justice
  • National Environmental Policy Act (NEPA)
  • Community engagement
  • Children’s health
  • Environmental education
  • Tribal affairs
  • U.S.-Mexico Border Program
  • Pacific Islands

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
  • Headquarters Offices
  • Regional Offices
  • Labs and Research Centers
  • EPA Organization Chart
  • EPA History
Contact EPA
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 18, 2025
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