Salem Airport McNary Field Environmental Services

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The City of Salem’s McNary Field Airport serves general aviation aircraft and the Oregon Army National Guard. To increase aircraft safety and airport growth capacity, the City determined that a 1,000-foot runway extension would make it a more viable option for travelers and businesses.  ESA is providing environmental services to support the project through the NEPA process required by the Federal Aviation Administration (FAA).

ESA combined fieldwork and existing data analysis to prepare a technical memorandum describing potential wetlands throughout the 277-acre airport. This wetland review enabled the client to fine-tune potential impact areas so that a full wetland delineation could be focused within 92 acres of the site. We performed a functional assessment and wetland delineation in accordance with the 1987 Army Corps of Engineers Wetland Delineation Manual as modified by the Regional Supplement for Western Mountains, Valleys, and Coast Region.

ESA completed a Biological Assessment (BA) to evaluate the effects of the proposed airport improvements on species listed as threatened or endangered under the federal Endangered Species Act. This effort included inventories for Nelson’s checkermallow and streaked horned lark, and we identified potential offsite mitigation areas for Nelson’s checkermallow.  The BA and related information will be used to facilitate the FAA Endangered Species Act consultation with the U.S. Fish and Wildlife Service and the National Marine Fisheries Service.  It will also support coordination with interested state agencies including the Oregon Department of Agriculture and the Oregon Department of Fish and Wildlife.

With a solid understanding of the biological landscape, ESA was able to assist the City of Salem with a runway extension project that minimized impacts to wetlands and listed species.

Specialized Services

  • Biological assessments
  • Endangered Species Act
  • US Fish and Wildlife Service
  • Wetland assessments
  • Wetland delineations