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[Portal ID #1775]

Aberdeen - North Shore Levee Project

Summary of the project
Last Updated: April 10, 2018

Comments or questions? Submit them online HERE.

Click HERE To Return To Main Flood Authority Website

Click HERE to Return To Aberdeen Flood Relief Projects

Click HERE To See Project Financials


2017-2019 Funding -- $2,117,643 through Chehalis River Basin Flood Authority + $2,500,000 through 2018 State Supplemental Capital Budget = $4,617,643 TOTAL

2015-17 Funding -- $988,000 (2/23/2016, click here)

Project Financials -- See separate project financials website here.

Project Status -- On-Track, Underway -- The Federal Emergency Management Agency (FEMA) has issued a Conditional Letter of Map Revision (CLOMR) for the proposed North Shore Levee. The next step in this process is to finalize the design of the Levee and go through the local permitting process.

Background -- The Cities of Aberdeen and Hoquiam are working in partnership to design and build the North Shore Levee to provide flood protection for low-lying parts of the cities between the Wishkah and Hoquiam Rivers north of the Chehalis River and Grays Harbor Estuary. The project willprovide coastal flood protection to as many areas as is feasible, improve the storm drainage systems in Aberdeen and Hoquiam so that they more effectively collect and convey runoff from intense storm events, and significantly reduce the economic burden on the community caused by flooding. The FIRM mapping revisions associated with the Levee will remove approximately 3,500 properties between the Wishkah and Hoquiam Rivers from the SFHA and place them into a Zone X, eliminating Federal flood insurance requirements on mortgages.

Design of the Fry Creek pump station to be built in conjunction with the North Shore Levee is being coordinated with the Fry Creek Restoration and Flood Reduction project.

The North Shore Levee project kicked off in conjunction with the Timberworks Coastal Resiliency Master Plan (Master Plan) that was developed in Aberdeen and Hoquiam in 2016. The Master Plan identified options for reducing flooding, improving public space, and improving habitat.

This project combines funding and conclusions from earlier, smaller projects to create a master project that will comprehensively protect the cities of Aberdeen and Hoquiam on the coast of Washington State. See past 2012 funding ($184,600 -- click herehere and here) and 2013-15 funding ($1,080,000 -- click here).

Flood Hazard Reduction Benefits -- Protects 3,500+ homes/properties assessed at over $480 million from the 100-year coastal flood event and removes them from the regulatory floodplain, eliminating currently mandated Federal flood insurance requirements on mortgages.

Schedule/Milestones
  • Apr 2016-Jul 2016 -- Aerial Survey, Bathymetric Survey, & Hydraulic Analysis
  • Jun 2016-Oct 2016 -- Alignment Analysis & Concept Design
  • Jul 2016-Feb 2017 -- Utility Survey, Geotechnical Exploration, Biological Evaluation, Community Outreach, & Preliminary Plans
  • Jul 2017-Oct 2017 -- CLOMR Submittal & FEMA Review
  • Oct 2017 -- CLOMR Issued by FEMA
  • Jan 2018-Jun 2019 -- Community Outreach, Final Design, & Permitting
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