Select Page
I-90 Snoqualmie Pass East NEPA Supplemental EIS

I-90 Snoqualmie Pass East NEPA Supplemental EIS

I-90 Snoqualmie Pass East was a multi-year project that WSDOT undertook to improve the state’s critical transportation link across the Cascades. DEA prepared a limited scope supplemental environmental impact statement for the project.

Threemile Canyon Farms Environmental Planning and Permitting

Threemile Canyon Farms Environmental Planning and Permitting

Threemile Canyon Farms is a family-owned, 93,000 acre food and dairy farm on the Columbia River near Boardman, Oregon. For close to two decades DEA has managed a diversity of environmental regulatory compliance efforts for the Farm.

Tualatin Basin Water Supply Program Environmental Planning and Permitting

Tualatin Basin Water Supply Program Environmental Planning and Permitting

The Tualatin Basin Water Supply Project (TBWSP) is an investment in the health and sustainability of the region’s watershed, economy and community. DEA worked with Clean Water Services and the Water Supply Partners to provide environmental planning and permitting assistance for the TBWSP.