FCZD releases 2021 Progress Report

(The new bridge on South Lakeshore Road at Slide Ridge, funded by a FEMA grant and FCZD dollars, will be completed in spring 2022 when the deck and approaches are paved.) 


In 2017, Chelan County’s FCZD Board of Supervisors adopted a Comprehensive Flood Hazard Management Plan (CFHMP), which recommends regional policies, programs, and projects to reduce the risk to people and property from river flooding, alluvial fans and channel migration in Chelan County.

During the development of the CFHMP, a steering committee was assembled that oversaw the creation of the plan and made recommendations on its key elements, including the maintenance strategy. The principle role of a steering committee in the plan’s maintenance strategy is to review the annual progress report and to provide input to Chelan County’s FCZD on possible enhancements to ensure the CFHMP remains an active and relevant document.

The FCZD has completed the 2021 Annual Progress Report. A few highlights on what the FCZD has accomplished this past year include:

Continued the permitting process development within the floodplain.

Outreached to homeowners identified in FEMA's Community Assistance Visit that had deficient flood certifications and coordinated correction requirements.

Continued to manage seven rain gages and a stream gage in the Mad River area as emergency alert systems linked to the National Weather Service.

Moved one rain gage to Grouse Mountain near the Twenty-Five Mile Fire parameter to assist the National Weather Service with rainfall data and emergency alerts.

Several mitigation projects are either under development or have been completed during this reporting period:

Slide Ridge (Lake Chelan) – Final stages of construction to replace undersized culvert with a bridge, improve conveyance of flood debris, and enlarge berms/side slopes (FEMA Hazard Mitigation Grant awarded for construction). Project is anticipated to be complete in spring 2022.

No. 1 Canyon Debris Basins No. 2 – Approximately at 90 percent design completed, which includes four basins to detain and release flood waters. A FEMA Hazard Mitigation Grant preliminarily awarded for construction; FCZE is awaiting contract. Construction of project is anticipated in fall 2022. Public notification of the project will occur.

Ski Hill Basin Analysis – Phase 2 has begun, which is intended to investigate opportunities to improve conveyance and decrease flooding in this basin. A design report is anticipated in early 2022 with a community meeting to discuss the preferred alternatives.

Antoine Creek (Chelan) – Completed the replacement of three undersized culverts that, as a result of the Chelan Complex Fire, were causing roadway damage during high water events. A FEMA Hazard Mitigation Grant was awarded for this project.

No. 2 Canyon Mitigation Strategy – The FCZD received a Department of Ecology Flood Control Assistance Account Program (FCAAP) grant for this project.


The 2021 Annual Progress Report is available online.

Last Updated: 05/05/2022 04:34 PM

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