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Adolfson Associates, operational since 1987, is a multidisciplinary environmental consulting firm specializing in planning, biological sciences and water resources. Its planning services include evaluations as per the State Environmental Policy Act and National Environmental Policy Act, critical areas ordinance updates and land use planning. It also provides wetland delineations, wetland mitigation plans, biological assessments, restoration planning and culvert and stream surveys. Its water resources services include hazard mitigation and planning, watershed analysis and management, stormwater planning and flood plain management. Adolfson provides its services throughout the Pacific Northwest and has offices in Seattle and Portland, Ore.