Facility Site ID: 96127971 Cleanup Site ID: 13054

Current Status

Updated January 2022

The Mt. Baker Housing Association (MBHA) is cleaning up the Mt. Baker Properties Cleanup Site (Site) with oversight from the Department of Ecology (Ecology). The excavation of contaminated soil (source material) has been completed. A pilot test for groundwater treatment was conducted.  Currently, the information from the pilot test is being used to design the groundwater treatment in the right of way. The building construction is in progress on both the North and South sites. 
 
This cleanup is possible with assistance from Ecology’s affordable housing grant program. For more information on how the grant program supports this site, please see the ‘Cleanup, redevelopment and community investment’ section below.

 You can view technical documents for this project by clicking the ‘View Electronic Documents’ link to the right.  

Site Background

Properties purchased for Mt. Baker Gateway project
Properties purchased for Mt. Baker Gateway project
Over the last several decades, businesses operating at the Site released hazardous substances at the Site. The Site includes all areas where contamination has come to be located from releases at Mount Baker Cleaners and a former retail gas station. Contamination from petroleum and solvents (volatile organic compounds or VOCs) is commingled at the Site.
 


Former Gas Service Station Parcel (south side of S McClellan Street):
A gasoline station operated at 2800 Martin Luther King Jr. Way S from the mid-1950s to mid-2000s (most recently Phillips 66 #070644). From the 1990s until 2004, the property was used as an auto repair business. Environmental sampling also found solvent contamination on the property. Three underground storage tanks were removed in 1989. In 2005 other gas/service station equipment was removed and a petroleum-related release was reported to Ecology in August 2005. In 2005–06, several soil and groundwater borings were advanced. In 2005, five ozone injection points were installed, ozone was applied. This system operated until 2007, when additional treatment was conducted through in-situ chemical oxidation. Since 2010, Phillips 66 has conducted additional sampling at the property through Ecology’s Voluntary Cleanup Program (VCP), but no additional cleanup. 
 


McClellan Parcels (north side of S McClellan Street):
The other four properties purchased by MBHA, including the Mt. Baker Cleaners property, are collectively referred to as the “McClellan Parcels”. Mt. Baker Cleaners has been operating at 2864 S McClellan Street since the early 1950s. It is the source of dry cleaning related contamination beneath the McClellan Parcels and other surrounding properties and rights of way. Chlorinated and non-chlorinated VOCs have been detected on the property. There have been no remedial actions associated with this property.
 

Cleanup, Redevelopment, And Community Investment

Future Rendering of Mt. Baker Properties
Future Rendering of Mt. Baker Properties
The Mt Baker Properties Cleanup will pave the way for MBHA to move forward with redevelopment of these properties. Under Ecology oversight, MBHA will clean up these properties by addressing contamination and its sources. Once cleanup is complete MBHA will redevelop the properties for affordable housing. MBHA began building two affordable housing apartment buildings at the intersection of South McClellan Street and Martin Luther King Jr. Way South - Maddux North, on the northeast corner, and Maddux South on the southeast corner.

This project will also redevelop multiple vacant or underused properties, create new, affordable housing in one of Seattle’s most diverse and economically-challenged neighborhoods, and promote affordable, sustainable, transit-oriented development. In February 2017, the City of Seattle signed a resolution to create its first Redevelopment Opportunity Zone (ROZ - See Below). The resolution opens the door for a new partnership between Ecology, Seattle, and the non-profit MBHA.

MBHA is the first non-governmental organization to receive funds under the state’s Brownfield Redevelopment Trust Fund created in 2013. With the consent decree and ROZ in place, Ecology will provide $5,100,000  and the Department of Commerce provided 1.1 million for environmental cleanup work on the site. The affordable housing project will eventually be financed with Low Income Housing Tax Credits, City of Seattle Housing Levy funds, and other sources. 

See what others are saying about this project:

The Seattle Globalist

Globe St

Redevelopment Opportunity Zones

Mayor Murray signing the City of Seattle Resolution 31731 Redevelopment Opportunity Zone
Mayor Murray signing the City of Seattle Resolution 31731 Redevelopment Opportunity Zone
Ecology’s Toxics Cleanup Program (TCP) manages or oversees contaminated site cleanups conducted under our state’s environmental cleanup law, the Model Toxics Control Act (MTCA). In 2013, amendments to MTCA established three tools intended to help local governments clean up brownfield sites: 
  • Redevelopment Opportunity Zones (ROZs)
  • Brownfield Renewal Authorities
  • Brownfield Redevelopment Trust Fund Account
A brownfield site is an abandoned or underused property where reuse or redevelopment is hindered by the release (or threatened release) of hazardous substances, such as might occur at a former dry cleaners or an abandoned gas station. Since 2013, three local governments have created ROZs – Spokane, Bellingham, and Seattle. Within these zones, local governments are authorized to:
  • Create a “brownfield renewal authority” with broad powers to facilitate cleanup and redevelopment (see RCW 70.105D.160).
  • Access a “brownfield redevelopment trust fund account,” created within the state’s budget, which can be used to secure long-term funding for cleanup (see RCW 70.105D.140).
Within these zones, Ecology is authorized to:
  • Enter into agreed orders with prospective purchasers to accelerate the study of sites with redevelopment potential.
  • Enter into mixed funding settlement agreements with prospective purchasers where public funding is commensurate with a public benefit other than cleanup.
  • Prioritize grants for integrated planning and area-wide groundwater remedial actions within these zones.
Legal 12
Map 1
Document Title Document Date Document Type
Mt Baker Historical Topographic map report 11/23/2016 Map
Public Information 10
State Environmental Policy Act 1
Document Title Document Date Document Type
Mt Baker Properties - SEPA DNS-Checklist - October 2019 10/23/2019 SEPA Documents
Technical Reports 57
Document Title Document Date Document Type
Contaminated Meadia Management Plan Mount Baker Properties Site 7/15/2020 Performance/Confirmational Monitoring Plan or Report
Compliance Monitoring Plan Mount Baker Properties Site 7/15/2020 Performance/Confirmational Monitoring Plan or Report
Engineering Design Report Mount Baker Properties Site 7/15/2020 Engineering Design Report
Mt Baker Properties - HWTR Contained Out Approval Letter 5/7/2020 Site Specific Administrative Document - other (Administrative correspondence)
Mt Baker Properties - Cleanup Action Plan - January 2020 1/6/2020 Cleanup Action Plan
Mt Baker Properties - Remedial Action-Feasibility Report - December 2019 12/31/2019 Remedial Investigation / Feasibility Study
Mt. Baker Properties - Progress Report May 2019 5/13/2019 Progress Report
Mt. Baker Properties - Monthly Progress Report - April 2019 4/12/2019 Progress Report
Mt. Baker Properties - Monthly Progress Report - March 2019 3/15/2019 Progress Report
Mt Baker Properties - Monthly Progress Report - February 2019 2/19/2019 Progress Report
Mt Baker Properties - Monthly Progress Report - January 2019 1/10/2019 Progress Report
Mt Baker Properties - Monthly Progress Report - November 2018 11/9/2018 Progress Report
Soil Vapor Investigation Work Plan 9/25/2018 Site Specific Technical Document - other
Mt Baker Properties - Monthly Progress Report (April 2018) 4/10/2018 Progress Report
Mt Baker Properties - Monthly Progress Report (March 2018) 3/13/2018 Progress Report
Mt Baker Properties - Monthly Progress Report (Jan 2018) 1/10/2018 Progress Report
Mt Baker Properties -Monthly Progress Report (Dec 2017) 12/12/2017 Progress Report
Mt Baker Properties - Monthly Progress Report (Nov 2017) 11/10/2017 Progress Report
Mount Baker Properties - Remedial Investigation Work Plan Oct 27 2017 10/27/2017 Remedial Investigation Work Plan
Mt Baker Properties - Monthly Progress Report (Oct 2017) 10/10/2017 Progress Report
Mt Baker Properties - Monthly Progress Report (Sept 2017) 9/7/2017 Progress Report
Mt Baker Properties - Monthly Progress Report (August 2017) 8/10/2017 Progress Report
Mount Baker Properties - Monthly Progress Report July 2017 7/5/2017 Site Specific Technical Document - other
Mt Baker Properties - 15 Proposed Locations for Additional Soil Sampling 6/27/2017 Site Specific Technical Document - other
Mt Baker Properties - 16 Proposed Locations for Additional Soil Samples 6/27/2017 Site Specific Technical Document - other
Mt Baker Properties - Monthly Progress Report (June 2017) 6/10/2017 Progress Report
Mt Baker Properties - Monthly Progress Report (May 2017) 5/3/2017 Progress Report
Mt Baker Properties - Monthly Progress Report (April 2017) 4/10/2017 Progress Report
Mt Baker Properties- Monthly Progress Report (March 2017) 3/10/2017 Progress Report
Mt Baker Properties - Mt Baker Dry Cleaners Field Work 2/18/2017 Site Specific Technical Document - other
Mt Baker Properties - Mt Baker Dry Cleaners Field Work 2/18/2017 Site Specific Technical Document - other
Mt Baker Properties - Cleanup Poster 2/10/2017 Site Specific Administrative Document - other (Administrative correspondence)
Phillips 66 070644 - 1Q 2016 GWMR 8/11/2016 Groundwater Monitoring Report
Mount Baker Cleaners - Rank Notification Letter 7/1/2015 Site Specific Administrative Document - other (Administrative correspondence)
Phillips 66 070644 - 1Q 2015 GWMR 6/16/2015 Groundwater Monitoring Report
Phillips 66 070644 - 4Q 2014 GWMR 5/20/2015 Groundwater Monitoring Report
Mount Baker Cleaners - Site Hazard Assessment 4/13/2015 Site Hazard Assessment Report
Phillips 66 070644 - 3Q 2014 GWMR 2/13/2015 Groundwater Monitoring Report
Phillips 66 070644 - 2Q 2014 GWMR 1/9/2015 Groundwater Monitoring Report
Mount Baker Cleaners - SHA Notification Letter 9/26/2014 Site Specific Administrative Document - other (Administrative correspondence)
Phillips 66 070644 - 1Q 2014 GWMR 9/18/2014 Groundwater Monitoring Report
Phillips 66 070644 - 3Q 2013 GWMR 12/18/2013 Groundwater Monitoring Report
Phillips 66 070644 - RI FS Work Plan 12/2/2013 Remedial Investigation Work Plan
Phillips 66 070644 - 4Q 2013 GWMR 11/13/2013 Groundwater Monitoring Report
Phillips 66 070644 - 2Q 2013 GWMR 11/7/2013 Groundwater Monitoring Report
Phillips 66 070644 - 1Q 2013 GWMR 7/23/2013 Groundwater Monitoring Report
Phillips 66 070644 - 4Q 2012 GWMR 2/26/2013 Groundwater Monitoring Report
Phillips 66 070644 - 3Q 2012 GWMR 12/11/2012 Groundwater Monitoring Report
Phillips 66 070644 - 2Q 2012 GWMR 10/9/2012 Groundwater Monitoring Report
Phillips 66 070644 - Change in Contact Letter 7/26/2012 Site Specific Administrative Document - other (Administrative correspondence)
Phillips 66 070644 - 1Q 2012 GWMR 4/27/2012 Groundwater Monitoring Report
Phillips 66 070644 - 4Q 2011 GWMR 4/25/2012 Groundwater Monitoring Report
Phillips 66 070644 - Soil & GW Assessment Report 3/14/2012 Remedial Investigation Report
Phillips 66 070644 - August 2007 GWMR 8/2/2007 Groundwater Monitoring Report
Phillips 66 070644 - Cleanup Action Report 10/31/2005 Remedial Action Report
Phillips 66 070644 - Phase II ESA 3/17/2005 Remedial Investigation Report
Phillips 66 070644 - Phase I ESA 1/11/2005 Site Specific Technical Document - other
Voluntary Cleanup Program 3
Document Title Document Date Document Type
Phillips 66 070644 - NW2612 VCP Opinion on RI Work Plan 2/13/2014 Voluntary Cleanup Program Opinion – Other
Phillips 66 070644 - NW2612 VCP Opinion Letter 10/17/2012 Voluntary Cleanup Program Opinion – Other
Phillips 66 070644 - NW2321 VCP Opinion Letter 11/9/2010 Voluntary Cleanup Program Opinion – Other
There may be more documents related to this site. To obtain documents not available electronically, you will need to make a public records request.

Places to see print documents

  • Northwest Regional Office
    15700 Dayton Ave N
    Shoreline, 98133
    Please schedule an appointment to view print documents at this location.
  • Seattle Public Library - Beacon Hill Branch
    2821 Beacon Ave S
    Seattle, 98144
    This location may only have print documents available during open comment periods.

Contaminants 1

Contaminant Type
Soil
Groundwater
Surface Water
Air
Sediment
Bedrock
Halogenated Organics - Halogenated Solvents C
S
Suspected
C
Confirmed Above Cleanup Levels
B
Below Cleanup Levels
RA
Remediated-Above
RB
Remediated-Below
R
Remediated
This contaminant list was based on our best information at the time it was entered. It may not reflect current conditions at the site.