Environmental Consulting in Portland, Oregon

Leading wetland consultants in the Portland since 1996. We offer a comprehensive range of services to help navigate natural resource regulations.

Wetland Services in Portland, OR

As wetland scientists, our primary area of expertise involves wetlands-related services. S&A provides a comprehensive list of wetland services for projects of all sizes. S&A staff are experienced in delineating wetland and water boundaries using industry best practices to meet state and federal regulations. Our wetland services in the Portland area include but are not limited to:

153rd Ave Portland Oregon neighborhood

Natural Resource Management in Portland, OR

We help clients in the Portland area effectively navigate complex city and county codes related to natural resource protections. Our services can include comprehensive reporting on natural resource impacts, site assessments, the development of detailed mitigation plans, carefully crafted planting plans, and thorough natural resource assessments to support compliance and sustainable project outcomes. These services include, but are not limited to:

Portland Natural Resource Assessment. Portland neighborhood in the fall

Wildlife and Botanical Survey Services in Portland, OR

Our wildlife survey and habitat survey services in Portland provide evaluations of potential populations and habitats to inform land-use planning, conservation efforts, and regulatory compliance. Our survey services in the Portland area include but are not limited to:

Wildlife and Botanical Surveys image of a leaf


Recent Portland Area Projects

Happy Valley Crossroads - Portland, OR

This project consisted of two wetland delineations, conducted separately and concurred with by DSL.  A natural resource assessment for the City of Happy Valley and Undisturbed Buffer Averaging application for Water Environmental Services (WES) were prepared and permit issued. 

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Aerial view of a shopping mall parking lot with numerous cars and well-maintained trees, surrounded by residential buildings and forested areas.

Central Village - West Linn, OR


Completion of a Water Resources Area (WRA) Report for a proposed commercial development project in West Linn, Oregon. S&A completed functional assessments, wetland mitigation plans, and subsequent mitigation monitoring after construction was completed.

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Market of Choice during the evening, with lit windows and parking lot with cars. West Linn water delineation project.

Tanner Ridge - West Linn, OR


A wetland delineation and natural resource assessment for the City of West Linn were performed on the 16 acre property which included wetlands, waters and mapped Habitat Conservation Area (HCA) and Water Resource Area (WRA). The delineation report was concurred with by DSL.

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An aerial view of a suburban neighborhood with multiple houses, green lawns, and a park in the background.

Don’t know where to start?

We’re here to help guide you through any regulations or land acquisition decisions.