OLWC Work Party February 27

JOIN AN OLWC WORK PARTY Oswego Lake Watershed Council (OLWC) invites you to join us for a restoration work party at our Springbrook Creek...
Lake Oswego's Unsung Heroes of 2015

Stephanie Wagner Honored as “Unsung Hero”

Our fabulous board chair Stephanie Wagner received the City of Lake Oswego’s Unsung Hero Award on Monday, December 1, 2015. From the Pamplin Media...
December 6 2015 Invasive removal work party at Springbrook Creek

2015 Springbrook Creek Invasive Removal a Success!

On Sunday, December 6, 2015 the Oswego Lake Watershed Council (OLWC) hosted an invasive removal party at our Springbrook Creek site. Springbrook Creek, an...
August 22 2015 work party olunteers

Summer Project Update

As reported by 2015 Summer Project Coordinator Grady Shelton, on August 31, 2015 Over the past two weekends we have began work along Springbrook...
August 2015 Work Party Volunteers


You can help protect watershed health! Volunteer to plant trees, sign up for our newsletter, host a presentation, or attend a free workshop. SCHEDULED...
Friends of Iron Mountain, clearing tree-choking ivy


The OLWC partners with the community on projects to improve the health and function of the Oswego Lake watershed. For examples of these projects,...
Lake Oswego Backyard Habitat Program Logo

Making Connections – The Lake Oswego Backyard Habitat Program

The City of Lake Oswego has over 300 acres in natural areas and neighboring Tryon Creek State Park adds another 770 acres. That adds...

What is the Oswego Lake Watershed Council? The Oswego Lake Watershed Council (OLWC) is a locally organized, non-profit, non-regulatory watershed stewardship organization established to improve the condition and health of the Oswego Lake watershed and its stream network.

'Watershed sounds'

Voice of the Pacific Chorus Frog played with the kind permission of Martyn Stewart, www.naturesound.org.