To: Board of Supervisors
From: Aviation
Agenda Section: Consent
Vote Requirement: Majority
SUBJECT:
title
Letter of Support for the Murray Field Airport Sea Level Rise Planning and Economic Feasibility Study Proposed by the California Department of Transportation
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RECOMMENDATION(S):
Recommendation
That the Board of Supervisors:
1. Authorizing the Chair of the Board to sign the attached letter of support for the Murray Field Airport Sea Level Rise Planning and Economic Feasibility Study proposed by the California Department of Transportation.
Body
STRATEGIC PLAN:
The recommended actions support the following areas of the Board of Supervisors' Strategic Plan:
Area of Focus: Sustainable Natural Resources & Infrastructure Stewardship
Strategic Plan Category: 5001 - Enhance climate adaptation landscapes and communities
DISCUSSION:
In 2021, the California Department of Transportation ("Caltrans") initiated the development of a Comprehensive Adaptation and Implementation Plan ("CAIP") to address sea level rise impacts on the Eureka-Arcata Highway 101 corridor. Over the last few years, Caltrans has been working with Cal Poly Humboldt and local consultants to prepare technical studies that will inform the CAIP. Currently, the CAIP is scheduled for completion in 2027.
Murray Field Airport is located adjacent to the Eureka-Arcata Highway 101 corridor on low-lying ground protected by levees. In 2021, the Humboldt County Department of Public Works ("Public Works") completed a sea level rise study for the Eureka Slough hydrographic area which includes the Murray Field Airport, Jacobs Avenue and portions of Highway 101 and the future Humboldt Bay Trail. The vulnerability of the Murray Field Airport to various flooding scenarios under current and future conditions was analyzed using detailed hydraulic modeling. While the vulnerability of the Murray Field Airport to sea level rise is well understood from this 2021 study, the next step is for the County...
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