Cascade Environmental Group
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    • Clackamas Partnership Strategic Planning and Grant Development Support
    • Carli Creek Water Quality Project
    • Ghost Dike Mitigation Project
    • Kwoneesum Dam Removal
    • Salmon Superhighway Strategic Action Plan
    • Molalla River Watershed Drinking Water Assessment
    • Chum Salmon Strategic Restoration Action Plan
    • Hopkins Forest Wetland Restoration
    • Yoncalla Creek Mitigation Bank
    • Cowlitz Tribe Estuary Restoration Feasibility Studies
    • Dahl Beach Mitigation Project
    • Wapato Valley Mitigation Conservation Bank Wetland Support
    • Shoalwater Bay Mitigation Bank
    • Newell Creek Canyon
    • Fernhill NTS Wetlands
    • Elk Creek Watershed Information Gap Assessment / Stream and Fish Surveys
    • Big Hanaford Creek
    • Chehalis Basin
    • Wallooskee-Youngs
    • Mitchell Creek
    • Pine Hollow-Jackknife Creek
    • Lamprey Migration Study
    • Rinearson Natural Area
    • Garret Creek
    • Wetland Delineations
  • Staff
    • John Runyon
    • Brent Haddaway, PWS
    • Tammy Stout
    • Sharon Cannizzo
    • Olivia Morgan
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Carli Creek Water Quality Project
Clackamas, OR

Located at Carli Creek’s confluence of the Clackamas River south of Happy Valley, OR, Clackamas Water Environment Services (WES) designed the innovative Carli Creek Water Quality Project to filter harmful pollutants from stormwater runoff from surrounding industrial properties that were constructed before stormwater standards were in place. The project included restoration of habitat over 1,500 feet of the Carli Creek’s channel and riparian areas, including its confluence with the Clackamas River. The project creates and improves wetland areas and stream habitat with step pools, added large wood, and extensive native planting and weed treatments.

Cascade assisted WES in monitoring the wetland treatment cells and riparian areas for compliance with U.S. Army Corps of Engineers and Oregon Department of State Lands permits and mitigation performance standards. Cascade teamed with Mosaic Ecology on this project. Mosaic is maintaining the site to ensure the achievement of native plant cover goals.
 
Cascade also performed fish surveys in the restored Carli Creek channel in order to demonstrate juvenile salmonid use of the site. The video below, produced by WES, features Cascade staff Todd Alsbury and Simon Apostol as they sampled fish in December 2020.

Service Areas

Aquatic Resource Science & Permitting​
[email protected]
503-894-8585
2800 N Lombard St #803
Portland, OR 97217
Copyright 2014 Cascade Environmental Group, LLC
  • Home
  • Portfolio
    • Clackamas Partnership Strategic Planning and Grant Development Support
    • Carli Creek Water Quality Project
    • Ghost Dike Mitigation Project
    • Kwoneesum Dam Removal
    • Salmon Superhighway Strategic Action Plan
    • Molalla River Watershed Drinking Water Assessment
    • Chum Salmon Strategic Restoration Action Plan
    • Hopkins Forest Wetland Restoration
    • Yoncalla Creek Mitigation Bank
    • Cowlitz Tribe Estuary Restoration Feasibility Studies
    • Dahl Beach Mitigation Project
    • Wapato Valley Mitigation Conservation Bank Wetland Support
    • Shoalwater Bay Mitigation Bank
    • Newell Creek Canyon
    • Fernhill NTS Wetlands
    • Elk Creek Watershed Information Gap Assessment / Stream and Fish Surveys
    • Big Hanaford Creek
    • Chehalis Basin
    • Wallooskee-Youngs
    • Mitchell Creek
    • Pine Hollow-Jackknife Creek
    • Lamprey Migration Study
    • Rinearson Natural Area
    • Garret Creek
    • Wetland Delineations
  • Staff
    • John Runyon
    • Brent Haddaway, PWS
    • Tammy Stout
    • Sharon Cannizzo
    • Olivia Morgan
  • Contact
  • News
  • Who We Work With