Organization of EPA's Region 10 Office in Seattle
Serving Alaska, Idaho, Oregon, Washington, and 271 Tribal Nations
Organization Chart
Leadership and Organizational Responsibilities
Office of the Regional Administrator
Contact: 206-553-1234
Deputy Regional Administrator: Dan Opalski
- Alaska Operations Office
- Idaho Operations Office
- Oregon Operations Office
- Washington Operations Office
- Public Affairs Office
- Tribal Trust & Assistance Division
- General Assistance Program Grants Branch
- Public affairs
- Tribal affairs
- International affairs
- Equal Employment Opportunity (EEO)
- Special emphasis programs
Air and Radiation Division
Director: Krishna Viswanathan
- Air Planning and State/Tribal Coordination Branch
- Air Permits, Toxics, Transportation and Communities Branch
- State and Federal Implementation Plans (SIPs/FIPs)
- National Ambient Air Quality Standards (NAAQS)
- Air permits
- Air toxics
- New Source Performance Standards (NSPS)
- National Emission Standards for Hazardous Air Pollutants (NESHAP)
- Maximum Attainable Control Technology (MACT)
- Diesel Emissions Reduction Act (DERA)
- Air grants
- Radon
- Indoor air
Enforcement and Compliance Assurance Division
Director: Ed Kowalski
- Air and Land Enforcement Branch
- Water Enforcement and Field Branch
- Enforcement
- Compliance assurance
- Pesticides
- Emergency Planning and Community Right-to-Know Act (EPCRA)
- Lead-based paint programs
- Asbestos demolition and renovation
- Tips and complaints
Environmental Justice, Community Health, and Environmental Review Division
Director: Angeles Herrera
- Environmental Justice Branch
- NEPA Branch
- Environmental Justice Grants Section
- Children's health
- Environmental education
- Environmental justice
- National Environmental Policy Act (NEPA)
Laboratory Services and Applied Science Division
Director: Michael Szerlog
- Environmental Assessment Branch
- Laboratory Services Branch
- Risk Assessment Branch
- Quality management
- Scientific integrity
- Risk evaluation
- Field sampling
- Lab services
- Regional dive team
Land, Chemicals, and Redevelopment Division
Director: Tim Hamlin
- RCRA and Tanks Branch
- Pollution Prevention and Communities Branch
- Hazardous waste
- Corrective action
- Underground storage tanks
- Brownfields
- Toxic Substances Control Act (TSCA)
- Pollution prevention
Mission Support Division
Director: Angela Chung
- Human Resources Branch
- Facilities, Safety, and Security Branch
- Financial Management and Planning Branch
- Information Services Branch
- Grants and Interagency Agreements Branch
- Strategic planning and process improvement
- Budget
- Finance
- Facilities and security
- Human resources
- Information technology and information management
- Geographic Information Systems (GIS)
- Management of grants and interagency agreements
- Contracts and acquisition (with support from EPA Region 7 Contracting Office)
- Health and safety programs
Office of Regional Counsel
Regional Counsel: Beverly Li
- General Law/FOIA Branch
- Air, RCRA, Toxics, and Criminal Law Branch
- Land Law Branch
- Water Law Branch
- Legal counsel
- Litigation
- Ethics
- Regional Hearing Clerk
- Freedom of Information Act (FOIA)
Superfund and Emergency Management Division
Director: Calvin Terada
- Emergency Management, Site Assessment and Removal Branch
- Remedial Cleanup Branch
- Operations and Enforcement Branch
- Superfund cleanup
- Emergency response
- Oil spill prevention and planning
Water Division
Director: Mat Martinson
- Permitting, Drinking Water, and Infrastructure Branch
- Puget Sound Recovery National Program Office Branch
- Standards, Assessment, and Watershed Management Branch
- Drinking water
- Clean Water Act grants
- Groundwater protection
- National Estuary Programs (Columbia River, Puget Sound, Tillamook)
- Non-point sources
- Ocean dumping, dredging, and disposal
- Total Maximum Daily Loads
- Underground injection control
- Wastewater and stormwater permitting
- Water quality standards