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Water & Shorelines > Wetlands > Mitigation > Wetland mitigation banking > Mitigation bank projects > Springbrook Creek

Springbrook Creek Wetland Mitigation Bank

Established in 2006, the 129-acre Springbrook Creek Wetland Mitigation Bank is located in King County. The bank is approved for mitigation use.

Springbrook Bank wetland area with standing water containing vegetation and a fallen tree.
Springbrook Bank in 2013, four years after construction.

Project sponsor

WSDOT Environmental Services Office
310 Maple Park Ave SE
PO Box 47331
Olympia, WA 98504

Evan Dulin
evan.dulin@wsdot.wa.gov 
360-704-6328

City of Renton
Renton City Hall, 5th Floor
1055 S. Grady Way
Renton, WA 98507

Kevin Evans, P.E.
Public Works Dept. – Surface Water Utility
krevans@rentonwa.gov
425-430-7264

Project status

  • Project entered into Long-term Management and Maintenance Period: February 22, 2021
  • Initial credit release: October 10, 2006.
  • Bank received local, state, and federal approval: August 22, 2006.
  • Joint Corps and Ecology public notice: March 13, 2006 with Prospectus.

Site location

Project details

  • Mitigation Banking Instrument
  • Size: 129.37 acres in five units
    • Unit A/B: 62.2 acres
    • Unit C: 47.7 acres
    • Unit D: 4.6 acres
    • Unit E: 14.8 acres
  • Site actions: Wetland re-establishment, rehabilitation, and enhancement; riparian and upland enhancement.
  • Service area map

Contact information

Kate Thompson
Department of Ecology
kate.thompson@ecy.wa.gov
360-628-3445

Sandra Manning
U.S. Army Corps of Engineers
sandra.l.manning@usace.army.mil
360-869-1488