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King County Road Services - Stream and Wetland Assessment of Mitigation Protocol (SWAMP): A rapid visual assessment tool

Overview

Audience: Government agencies, contractors, and other interested parties

Determining mitigation requirements with regulators for stream and wetland habitat impacts at small construction sites can at times be costly, contentious and the mitigation may not always provide the maximum benefit possible at individual sites. Enter SWAMP, a rapid, visual assessment of mitigation protocol that facilitates a focused discussion with regulators, documents habitat impacts and benefits of projects, identifies mitigation opportunities and provides a record of how individual mitigation plans address habitat needs and project impacts.

The major advantage of the SWAMP protocol is that it promotes a detailed discussion about habitat issues and project impacts and benefits in a reproducible and consistent manner across a variety of site conditions. This leads to identification of realistic and beneficial mitigation opportunities. The procedure is designed to be performed in the field with regulators, applicants and consultants and is applicable to a variety of development proposals on small sites.

Contact info

Learn more about the SWAMP protocol by contacting:

Stephen Conroy
Road Maintenance Environmental Unit
King County Department of Transportation
155 Monroe Avenue Northeast
Renton, WA 98056

Pre-construction
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Post construction
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Pre- and post-construction photos of a maintenance culvert replacement project that benefitted from the SWAMP process.