Federal

US Army Corps of Engineers Portland District:

http://www.nwp.usace.army.mil/

US Army Corps of Engineers Seattle District:

http://www.nws.usace.army.mil/

Environmental Protection Agency:

http://www.epa.gov/

EPA Office of Wetlands, Oceans, and Watersheds:

http://www.epa.gov/OWOW/

Oregon

Oregon Department of Fish and Wildlife:

http://www.dfw.state.or.us/

Oregon Division of State Lands Removal/Fill Program:

http://statelands.dsl.state.or.us/r-fintro.htm

Oregon Department of Environmental Quality:

http://www.deq.state.or.us/

Washington

Clark County Department of Community Development:

https://www.clark.wa.gov/community-development

Clark County Endangered Species Act Information:

https://www.clark.wa.gov/public-works/endangered-species-act

Clark County Habitat Permit:

https://www.clark.wa.gov/public-works/permits

Washington Natural Heritage Program:

https://www.dnr.wa.gov/natural-heritage-program

Washington Department of Ecology:

How Ecology Regulates Wetlands – https://fortress.wa.gov/ecy/publications/summarypages/97112.html

Wetlands Regulation Guidebook – https://fortress.wa.gov/ecy/publications/SummaryPages/8805.html

Washington Department of Fish and Wildlife:

https://wdfw.wa.gov/

Washington State Department of Natural Resources:

https://www.dnr.wa.gov/

Washington State Department of Transportation – Environmental Section:

https://www.wsdot.wa.gov/environment