Duwamish River People’s Park & Shoreline Habitat

Monitoring Program – Fish Monitoring

Interlocal Agreement with

Puget Sound Partnership

February 13, 2024

Item No. 10c_supp

Meeting Date: February 13, 2024

Importance of the Duwamish in the Watershed

• The Green-Duwamish Watershed

Salmon Recovery Lead Entity has

priority projects for Chinook Salmon.

• The Salmon Recovery Strategy includes

protecting, restoring, and enhancing

habitat in the Duwamish Estuary Sub-

Watershed.

• The Port has several habitat restoration

projects in the Duwamish Estuary.

• DRPP identified as a Tier 1 (top priority)

project for the watershed.

• Year 1 Monitoring completed in 2023.

• Juvenile Chinook Salmon were identified

utilizing the marsh basin at DRPP in 2023.

• Passive Integrated Transponder (PIT)

antennas will help inform how out-migrating

juvenile salmon are using DRPP.

Duwamish River People’s Park & Shoreline Habitat

Request

• Authorize Executive Director to execute Interlocal Agreement

(ILA) with Puget Sound Partnership (PSP) for funding ($115k) to

purchase PIT array.

• The PIT array will monitor juvenile salmon use at DRPP.

• Monitoring data will be provided to agency & tribal partners

and contribute to salmon recovery planning in the Green-

Duwamish River Watershed.

• With this PSP funding there is no cost to the Port for the

purchase of the PIT array.

Scope/Schedule

• Execute ILA w/ PSP February 2024

• Select vendor and purchase equipment March 2024

• Install PIT array equipment at DRPP March 2024

• Implement fish monitoring at DRPP March-June 2024