Spruce Wash - Cedar to Dortha and Dortha Inlet

Project Overview

Improvements to the Spruce Wash Channel from Cedar Avenue to south of Dortha Avenue. This work is in response to the damage that occurred during the 2021 monsoon flooding from the Museum Fire burn scar.

  • Cost: $300,000
  • Location: Spruce Wash between Cedar Avenue and Dortha Avenue
  • Timeline: Construction Spring 2022, to be completed prior to the 2022 monsoon season
Work underway in Spruce Wash

2022 Updates


  • May
    • Construction began March 21. The Contractor has been working on removals, and utility relocations.
    • City potable water and reclaim water mains have been relocated.
    • Unisource Gas relocations are complete, APS relocation completion is scheduled for May 11, and Lumen will be the last relocation that will occur the week of May 16.
    • The open channel between Dortha and Cedar has been rough graded in preparation for final grading and shot-crete application.
    • The Dortha inlet and concrete box culvert forming will begin the week of 5/11.
    • Concrete deliveries are being secured with the supplier for critical pour dates in May and June.
    • Due to concrete supply restrictions in our community, the deliveries and installation may be scheduled outside of our normal operating hours during our large concrete pours. We will be issuing a notice to the neighborhood prior to the dates, and we will make every effort to limit off-hours work.
    • Staff provided a monthly update to Council on April 26, which included sandbag delivery, project updates, the siren system, and communications.
    • Museum Flood Engineering and Feasibility team meetings continue every Monday and City staff continues to meet monthly with County Supervisor Jeronimo Vasquez.
    • While there are utility and property related challenges to this project, construction of these improvements will occur prior to the 2022 monsoon season.