JOIN US SEARCH LOCATIONS CONTACT DEA HOME WHO WE ARE WHAT WE DO SOLUTIONS NEWS WATER AND ENVIRONMENT PROJECTS I-5 Widening Environmental and Regulatory Compliance at Blakeslee Junction to Grand Mound Environmental Planning and Compliance, Water and Environment I-90 Snoqualmie Pass East NEPA Supplemental EIS Environmental Planning and Compliance, Water and Environment SR 520 Eastside Transit and HOV Fish Passage Improvements Alternative Project Delivery, Bridges and Structures, Construction Engineering, Transportation, Water and Environment, Water Resources Threemile Canyon Farms Environmental Planning and Permitting Environmental Planning and Compliance, Water and Environment Tualatin Basin Water Supply Program Environmental Planning and Permitting Environmental Planning and Compliance, Water and Environment Willamette Water Supply Program Preliminary Design and Permitting Environmental Planning and Compliance, Water and Environment Bear Creek Rehabilitation Water and Environment, Water Resources Coos Bay Channel Modification (Section 204(f)/408 Report) Environmental Planning and Compliance, Water / Wastewater Infrastructure, Water and Environment Smith-Bybee Natural Resource Management Plan Environmental Planning and Compliance, Land Development, Planning, Water and Environment, Water Resources Who We Are History Core Ideology Leadership Stewardship Locations Contact DEA What We Do Energy Land Development Transportation Water and Environment Surveying and Geomatics Marine Services Solutions Alternative Project Delivery Construction Engineering Energy Development Engineering Landscape Architecture Environmental Planning and Compliance Planning Project Management News Awards Rankings Join Us Our People Current Openings Benefits Subconsultants and Vendors David Evans and Associates, Inc., 2100 S. River Parkway, Suite 100, Portland, OR 97201 :: 800.721.1916 Copyright © 1996-2021 David Evans and Associates, Inc. All rights reserved. :: Terms of Use | Privacy Policy