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Site Report: ADOTP&F Willow Maintenance Station LUST

Site Name: ADOTP&F Willow Maintenance Station LUST
Address: MP 71.4 Parks Highway; SE1/4,S6,T19N,R4W,SM, Willow, AK 99688
File Number: 2268.26.002
Hazard ID: 24622
Status: Cleanup Complete
Staff: ,
Latitude: 61.760833
Longitude: -150.064444
Horizontal Datum:NAD83

We make every effort to ensure the data presented here is accurate based on the best available information currently on file with DEC. It is therefore subject to change as new information becomes available. We recommend contacting the assigned project staff prior to making decisions based on this information.


On 10/3/1997, two 3000-gallon underground storage tanks (USTs) were closed and removed from this site. Contamination found during a 1993 heating oil tank removal is tracked seperately as Hazard ID 1089. Subsequent investigations (2007) have other areas of soil and/or groundwater contamination at the site, which is also tracked under Hazard ID 1089.

Action Information

Action Date Action Description DEC Staff
10/3/1997 Leaking Underground Storage Tank Cleanup Initiated - Petroleum Tanks (source of contamination) removed. * Not Assigned
10/3/1997 Leaking Underground Storage Tank Release Confirmed - Petroleum LUST Site created in CSP for source area ID 77798 Two 3000 tanks removed. AGRA was the consultant. * Not Assigned
10/3/1997 Site Added to Database * Not Assigned
12/12/1997 Update or Other Action Closure Report Received * Not Assigned
1/6/1998 Update or Other Action Sent letter to RP advising of need for a Release Investigation for remaining contamination. * Not Assigned
6/9/2004 Update or Other Action File number assigned and entered into the Fileroom DB and LUST DB. Alyce Hughey
11/29/2006 Update or Other Action Staff transferred from Pikul to Jaynes. Aggie Blandford
4/3/2007 Exposure Tracking Model Ranking Initial ETM Ranking performed. High GRO and DRO contamination, shallow GW table and close proximity to private wells make GW ingestion pathway a strong concern. Daniel Fremgen
3/26/2009 Update or Other Action DEC staff reviewed and approved Shannon and Wilson's Site Characterization and Cleanup Work Plan, dated March 12, 2009. Shannon and Wilson proposed to do the following: • Excavate contaminated soil from four areas: the former diesel and gasoline USTs, former heating oil UST, former holding tank, and dry well locations; • Stockpile excavated soil as “clean”, “potentially clean”, or “contaminated”; • Sample the on-site drinking water well and two existing wells for contaminants of concern; and • Decommission the on-site drinking water well Todd Blessing
11/3/2011 Update or Other Action This site is being managed in concurrently with the contamianted site with "ADOTP&F Willow Maintenance Station". Both sites are CIP funded. Todd Blessing
3/22/2012 Update or Other Action Exposure tracking model ranking updated. Todd Blessing
4/3/2012 Site Characterization Workplan Approved DEC staff reviewed and approved of Shannon and Wilson Inc.'s work plan titled "Work Plan For Site Characterizartion at The Former ADOTIPF Maintenance Station, Mile 71.4 Parks Highway Willow, Alaska. The work plan was dated April 03, 2012 and discusses the decommissioning of nine groundwater monitoring wells, sampling monitoring well MW-4, landfarming soil during the summer, and sampling the landfarm area during the fall 2012. Todd Blessing
6/6/2013 Exposure Tracking Model Ranking A new updated ranking with ETM has been completed for source area 77798 2 USTs. Jacob Gano
6/14/2013 Cleanup Complete Determination Issued Jacob Gano

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil

Control Type

Type Details
No ICs Required


Description Details
Advance approval required to transport soil or groundwater off-site.

Missing Location Data

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