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[Portal ID #1763]

Cosmopolis - Mill Creek Dam Improvement Project

Summary of the project
Last Updated: October 16, 2016

Click HERE To Return To Main Flood Authority Website

Click HERE To See Project Financials


2013-15 Funding -- $737,750 (9/26/2013).

2015-17 Funding -- $3,432,000 [$3,082,000 per 9/18/2015 agreement here; $350,000 for fish monitoring per 4/21/2016 approval of Flood Authority staff recommendation here.]

Project Financials -- See separate project financials website here.

Description -- Project is to replace the Mill Creek Dam that was breached during the November 2008 storm.  Project may require modification of downstream culverts and tide-gates.
 
Flood Hazard Reduction Benefits -- The population directly protected by this project is approximately 325 people (130 homes) in Cosmopolis and at least 200 people (90 homes) in South Aberdeen.  Also two businesses (Western Peterbilt with 25 employees and D4 Sports with seven employees) are adjacent to Mill Creek and are directly affected by its flood flows.  Western Peterbilt provides Cosmopolis with tax base revenue on annual sales in excess of $14,000,000.  The Grays Harbor County Road Maintenance Shop (with 10-15 employees) is also directly adjacent to Mill Creek.  It stores critical equipment for the maintenance of roads in the central part of Grays Harbor County.
 
Project Status -- On-Track, Underway.

Schedule/Milestones:

  • April 2016 to October 2016 -- Pending funding.  Task Order 5 "Bidding and Construction."
  • UNDERWAY -- July 2015 to April 2016 -- Task Order 4 "Final Engineering and Design."
  • DONE -- January 2014 to May 2015 -- Engineer's Report and Long-Lead Permit Application (click here).
  • DONE -- December 2013 -- Task Order 3 "Field Data Collection and Engineer's Report" Scope (click here).
  • DONE -- November 2013 -- Click here for Task 2.0 and 2.1 findings.
  • DONE -- October 2013 -- Task Order 2.1 "Initial Geotechnical, Environmental, and Survey Services Scope (click here).
  • DONE -- September 2013 -- Finalize inter-local agreement with OFM.  Click here for scope of work.
  • DONE -- July 2013 -- HDR hired to complete Task Order 2 "Initial Regulatory Consultation and Preliminary Design Criteria" (click here).
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