Portfolio Category: Wildlife & Habitat

Critical Areas Ordinance Update

ELS has twice been contracted by the City of Longview to update their critical areas ordinance (CAO), first in 2006 and then again in 2015. This included providing background research of best available science (BAS) documents and an updated BAS bibliography of newly prepared published research. A summary report of the BAS review and an…
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Coweeman Mitigation Bank

The Coweeman Mitigation Bank (Bank) is the first mitigation bank in Washington to offer compensatory mitigation credits for both wetland and fish habitat impacts.  The Bank encompasses approximately 300 acres, including 174 acres of old growth forest, adjoining the Coweeman River in Kelso, Washington. The general goals of the Bank project are to restore wetland…
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Clark Creek Water Main Relocation

The project consisted of replacing and relocating 350 feet of a 10-inch water main that was damaged by a land slide on Clark Creek Road in Cowlitz County. The replacement water main used approximately 280 linear feet of existing pipe, which was unaffected by the landslide.  The eastern portion was re-routed approximately 50 feet to…
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Chehalis-Centralia Airport Approach Improvements

ELS provided wildlife and permitting services for the improvements to the Chehalis-Centralia Airport runway, which is located within State Shoreline Jurisdiction.  The current flight approach location was changed for safety reasons facilitating the need to cut down several large trees that protruded into the airspace of the realigned flight approach in accordance with FAA regulations. …
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