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The former railway maintenance and fueling facility in the town of Skykomish was operated by BNSF Railway Company. Historical activities at the site included refueling and maintaining locomotives and operating an electrical substation. These activities resulted in the release of petroleum and heavy metals to the surrounding environment. BNSF is conducting the cleanup of the contamination at the site with Ecology oversight.

The Skykomish Cleanup was completed, with the exception of the Skykomish School property, in 2011. Cleanup at the school is occuring throughout 2015, and subsequent summers over the next few years.  Throughout the Town, ongoing monitoring and restoration work continues, and Ecology continues to work with the town on several projects to carry out its vision for post-cleanup development and growth.

Significant accomplishments have come from the Skykomish Cleanup, which has been ongoing since 2005:

  • Over 350,000 tons of contaminated soil removed;
  • Over 218,000 gallons of oil removed and recycled;
  • Over 20 million gallons of contaminated water treated;
  • 21 properties cleaned with structures moved and restored;
  • 2 wetlands cleaned and restored;
  • Maloney Creek channel improved for habitat and reduced flooding;
  • Completion and operation of a town waste water treatment system.


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Former Maloney Creek-East (FMC-E) Wetland/Upland Project
Cleanup work was successful on Maloney Creek and the Former Maloney Creek -East Wetland in 2011.  Maloney Creek was dredged and the sediment used to fill in FMC-E Wetland.  In 2009 and 2010,  Ecology worked with BNSF and the Town to develop a new way to approach the cleanup of the FMC-E Wetland.  The Cleanup Action Plan (CAP) originally called for the FMC-E Wetland to be excavated and replaced.  That plan did not address issues such as habitat restoration outside of the wetland, flooding in Skykomish, or land uses envisioned by the citizens of Skykomish in 2005 when they developed the Vision for Skykomish document, which was a major driver of the CAP.  The 2011 cleanup work incorporated those elements and was more consistent with the original vision of the citizens of Skykomish by taking a more global approach to the cleanup of the FMC-E Wetland.

Community Waste Water Treatment System (WWTS)
One of the biggest elements to the Skykomish cleanup was the construction of a new waste water treatment system. Construction on the system got started in 2008, and proceeded through 2010. Now, all hookups are complete on the system, and it is running smoothly. The Town is now moving forward on its own to develop Phase 3 of the WWTS, which will take service across the river to businesses there, and on to the Sky Lane Community. Any questions on these efforts can be directed to the Town of Skykomish at 360-677-2388.


Map showing site location as King County, WA SITE INFORMATION


View Electronic Documents

Site Summary Report

Facility Site ID: # 2104

Cleanup Site ID: 34

Skykomish, King County

Status: Cleanup Started   Get definitions of Status terminology

Brian Sato
Project Manager

Brad Petrovich
Project Planner and Public Involvement Coordinator

Document Repositories:

Northwest Regional Office
3190 160th Ave SE
Bellevue, 98008-5452