Ada County Highway District

2020 Green Stormwater Implementation

Construction Update as of June 25, 2020: The notice to proceed is May 29th.

Alley at 4th/5th: Utility relocations are complete. Contractor began their portion of work the week of June 22nd.

Alley at 9th/10th: There will be a slight delay to allow for adjacent development to take place. Work in this alley is expected to start later this summer.

There was a preconstruction conference on February 24th.

General Description:

New stormwater collection systems will be implemented in two downtown Boise alleys.

  • The alley that runs along Idaho Street and Bannock Street between 4th Street and 5th Street.
  • The alley that runs along 9th Street and 10th Street between Miller Street and Myrtle Street.



Time Frame

Start Date: Late Spring 2020
End Date:
Fall 2020

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