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East Garden Grove-Wintersburg Channel Project

( Warner Avenue to Goldenwest Street, Huntington Beach )

Join our OC Survey team as they take video with their drone flying over the project on April 6, 2022.


The Project channel reach is currently an earthen trapezoidal leveed section originally designed to convey 65% of the 25-year storm. The Project consists of a series of design elements necessary for the channel reach to meet current design criteria to convey a 100-year storm event, as well as meet federal requirements for national flood insurance.

The project design includes, but is not limited to, the following elements:

  1. Dual-row steel sheet piles installed via the press-in method on each side of the channel

  2. Deep soil-cement mix columns and a maintenance road constructed between the channel side sheet piles and land side sheet piles

  3. Channel widening by removing the resultant trapezoidal channel soil wedge, and;

  4. Water quality Best Management Practices (BMPs).

before and after




timeline sept 18



In Progress

(In construction from September 2020 - February 2023.)


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April 2022

Project Update (Online | English | Spanish)

November 29, 2021
Bridge Closures/Detours 11.29.21picture_as_pdf

October 29, 2021 
Bridge Closures/Detours 10.29.21 picture_as_pdf

September 13, 2021 
Construction Update 09.13.21 picture_as_pdf

April 12, 2021
Project Update 04.12.21 picture_as_pdf

April 2021
Construction Notification 04.21 picture_as_pdf

September 2, 2020
Construction Notification 09.02.20 picture_as_pdf


July 30, 2020
Meeting Presentation 07.30.20 picture_as_pdf

Project Contact

Shannon Widor
(714) 667-9759​​​​