Please contact the Region 10 office, 206-220-7954 or email deborah.ensor@dot.gov, if you require an alternative format of the following documents. We have also included links to other agencies to give further topical guidance.

Environmental resources and forms to help determine your level of review for the FTA National Environmental Policy Act (NEPA) process:

Below are additional documents and links to other Federal and State agencies to help support grantee reviews. Please note that any projects involving construction may require tribal consultation.

Clean Air Act

Federal Highway Administration’s Air Quality & Transportation Conformity
Environmental Protection Agency's The Green Book Nonattainment Areas

Climate Change and Greenhouse Gas Emissions

Climate Change Adaptation Initiative
Geplatform Climate ResourcesCumulative and Indirect Impacts

Federal Highway Administration's Environmental Guidebook Q&A
Center for Environmental Excellence by AASHTO Indirect Effects

Endangered Species Act

Endangered Species Act (ESA) FTA Handbook (PDF) - (Coming Soon)
FTA’s Endangered Species Webpage

U.S. Fish and Wildlife Services

National Oceanic and Atmospheric Administration (NOAA)

Environmental Justice

Environmental Protection Agency's Environmental Justice Considerations in the NEPA Process
FTA Environmental Justice Resources

Farmlands Protection Policy Act

U.S. Department of Agriculture (USDA) Soil Surveys State Directory

Floodplain Guidance

Executive Order 11988 on Floodplain Management
Federal Emergency Management Agency (FEMA) Floodplain Mapping

FTA Procedures

Environmental Impact and Related Procedures Federal Register FR 771.118 (PDF)
Distribution and Filing of Environmental Impact Statements Procedures

Hazardous Materials and Brownfields

Magnuson-Stevens Act (Essential Fish Habitat, EFH)

Magnuson-Stevens PDF Version (Amended through 01/12/2007) (05/2007) (PDF)
Magnuson-Stevens NOAA MSRA Home

National Environmental Policy Act (NEPA)

FHWA Corridor and Subarea Planning

National Historic Preservation Act (NHPA)-Section 106

FTA NHPA Background
NHPA Program Working with Section 106
Section 106 Flow Chart

Inadvertent Discovery Plan Templates

Oregon Tribal Position Paper (09/2006) (PDF)

See Tribal Consultation resources for additional information.

Navigable Waterways and Coastal Zone Management

National Oceanic and Atmospheric Administration’s Office of Ocean and Coastal Resource Management: State Programs

Noise and Vibration

Transit Noise and Vibration Impact Assessment Guidance Manual (PDF)

Property Acquisition

NEPA and Early Real Estate Activities
General Real Estate Information

USDOT FTA Section 4(f)

USDOT Section 4(f) Policy Paper (2012)
FHWA Environmental Review Section 4(f) Program Overview

Section 6(f) Land and Water Conservation Fund (LWCF)

Mapping LWCF in your Neighborhood

Sole Source Aquifer (SSA) EPA Region 10

EPA Region 10 Sole Source Aquifer Locations
*Currently no SSAs located in Alaska

Tribal Consultation

Federally and State Recognized Tribes
Tribal Consultation Best Practices
Consulting with Indian Tribes in the Section 106 Review Process
FHWA Tribal Transportation Coordination Home
Advisory Council on Historic Preservation (ACHP) Policy Statement on Tribal Relations

Water Quality

Clean Water Act, Section 401
Clean Water Act, Section 402 - National Pollution Discharge Elimination System (NPDES)
Clean Water Act, Section 404
EPA Office of Water Home

U.S. Army Corp District Offices in Region 10


U.S. Army Corps of Engineers/EPA Joint Final Compensatory Mitigation Rule FAQ
Environmental Protection Agency (EPA) Compensatory Mitigation Guidance