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Site Report: USPS Iliamna Post Office

Site Name: USPS Iliamna Post Office
Address: Iliaska Drive, Adjacent to Roadhouse Bay, Iliamna, AK 99606
File Number: 2560.38.007
Hazard ID: 3059
Status: Active
Staff: Sophia Bracio, 9074511682 sophia.bracio@alaska.gov
Latitude: 59.751384
Longitude: -154.815422
Horizontal Datum:WGS84

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.

Problems/Comments

The United States Postal Service (USPS) operated the former Iliamna Post Office at this site until the 1980s. Facilities at the site included the post office, and generator house, and two above ground storage tanks (ASTs). Investigations at this site in 1995, 1998, and 1999 identified petroleum contaminated soil and groundwater, likely associated with the former ASTs. The USPS sold this property in 2004.

Action Information

Action Date Action Description DEC Staff
10/17/1995 Update or Other Action Soil Contamination Assessment, Former USPS Site, Iliaska Drive, Iliamna, AK. Prepared by Shannon & Wilson. Dated October 17, 1995. 20 pages. (Database updated 3/6/2018) Jamie McKellar
5/11/1998 Site Ranked Using the AHRM No values changed. Anne Marie Palmieri
10/8/1998 Update or Other Action Phase I Environmental Site Assessment for Disposal, Lot 3, Iliaska Subdivision, Iliaska Drive. Prepared by Maxim Technologies. Dated October 8, 1998. 31 pages. (Database updated March 6, 2018) Jamie McKellar
12/11/1998 Voluntary Cleanup Program VCP Application accepted. Anne Marie Palmieri
3/3/1999 Update or Other Action Phase II Environmental Investigation and Limited Phase III. Prepared by Maxim Technologies, Inc. Dated March 3, 1999. 59 pages. (Database updated March 6, 2018) Jamie McKellar
11/28/1999 Site Added to Database Drums of used oil were shot and have subsequently leaked. Anne Marie Palmieri
2/6/2002 Update or Other Action Contacted USPS about site status. Apparently some groundwater contamination on site, but no known action at this time. Mike Jaynes
4/15/2002 Update or Other Action Phoned in reply to URS Anchorage inquiry. Left message with on site status. Mike Jaynes
4/15/2002 Update or Other Action Spoke with URScorp. Post Office fired old cleanup contractor who was not responsive and he is now taking on the site. Some of the information is missing and the Post Office does not know what the status of the site is. Mike Jaynes
12/22/2003 Update or Other Action Recieved call from Alisto Eng. Group. Alisto is now consultant for Post Office and would like to move forward with work this summer. Possibly excavating and bioremediating site. Send email to with CS Regulations and Database lookup weblinks. Said we would be happy to work with them and assist where needed to get this work finished. Mike Jaynes
2/23/2004 Update or Other Action Recieved call from interested party in Iliamna who would like to know if Postal Office will be remediating site. Would like to purchase site from USPS but USPS will not sell until clean. Emailed contractor for site status. Mike Jaynes
2/26/2004 Update or Other Action Recieved call from contractor stating Post Office has put a hold on cleanup work and are looking into selling site. Mike Jaynes
10/5/2004 Update or Other Action Special Warranty Deed, USPS to C.D. Embretson for Lot 3, Iliaska Drive. Filed under Plat Number 71-3. (CS Database updated March 3, 2018) Jamie McKellar
1/11/2005 Update or Other Action Site name changed to USPS identifier for database consistency. Mike Jaynes
8/30/2005 Update or Other Action Recieved call from Shaw Environmental. USPS has sold property and new owner will be performing a assessment of the site. Shaw will be forwarding information on site and a SA proposal. Mike Jaynes
4/26/2016 Update or Other Action Site assessment by current owner not found during file review. Site reassigned for evaluation of cleanup requirements and possible PRP research by new owner, and follow up by project manager handling other USPS sites. Fred Vreeman
5/9/2016 Potentially Responsible Party/State Interest Letter DEC issued Potentially Responsible Party (PRP) letters to USPS and the property owner. Jamie McKellar
5/9/2016 Exposure Tracking Model Ranking Initial ranking with ETM completed for source area id: 74034 name: auto-generated pm edit USPS - Iliamna Post Office Melody Debenham
10/20/2016 Update or Other Action EMAIL: DEC to USPS. Request for additional information and copies of reports. Inquiry as to whether any environmental work has been done at this site since 1999. Jamie McKellar
4/17/2017 Update or Other Action New Project Manager assigned. Jamie McKellar
4/20/2017 Meeting or Teleconference Held TELECONFERENCE: DEC & Louis Berger Consulting, representing USPS. General site discussion. The Louis Berger rep advised that he's going to recommend that USPS do a pre-bid site visit to Iliamna to get a better idea of what they're working with. Jamie McKellar
3/6/2018 Update or Other Action SUMMARY REPORT RECEIVED: DEC was cc'd on a Site Investigation Summary Report for the Former Iliamna, Alaska Main Post Office. The summary report from Louis Berger presented four alternatives for site cleanup to USPS. Jamie McKellar
8/15/2018 Document, Report, or Work plan Review - other WORK PLAN RECEIVED: Draft Iliamna Limited Site Characterization Work Plan, Former Iliamna, Alaska Main Post Office. Prepared by Louis Berger. Dated August 4, 2018. The work plan is for limited site characterization to address a release of diesel fuel that impacted soils and groundwater at the site. Jamie McKellar
11/27/2018 Document, Report, or Work plan Review - other RESPONSES TO COMMENTS Received: Limited Site Characterization Work Plan, Former Iliamna, Alaska Main Post Office. Prepared by Louis Berger. Dated October 2018. Jamie McKellar
11/28/2018 Site Characterization Workplan Approved WORK PLAN APPROVED: Limited Site Characterization Work Plan, Former Iliamna, Alaska Main Post Office. Prepared by Louis Berger. Dated October 2018. Jamie McKellar
1/29/2019 Meeting or Teleconference Held A teleconference was held with USPS on Friday, January 25, 2019 to discuss the following USPS Sites: General Mail Facility (Fairbanks), Cantwell Post Office, Dutch Harbor Post Office, Former Lease Site (Fairbanks; also known as Former Air Cargo HOT), Iliamna Post Office; and Point Lay Post Office Site. A general status update was given for all six sites. Action items from the meeting include: 1) USPS to take a more active role in reviewing documents submitted to DEC by its contractors 2) USPS and DEC to exchange documents about Dutch Harbor Post Office releases 3) USPS to identify the property owner for the former Pt. Lay Post Office site and 4) USPS staff will coordinate with DEC regarding 2019 site visits. Jamie McKellar
10/1/2020 Document, Report, or Work plan Review - other REPORT APPROVAL: United States Postal Service Site Characterization Report, Former Iliamna, AK Main Post Office (Louis Berger, July 2020). Jamie McKellar
10/5/2020 Meeting or Teleconference Held Phone meeting with Anne Wolf, USPS, to discuss Site Characterization report and path forward for USPS Iliamna. Jamie McKellar
4/5/2021 Document, Report, or Work plan Review - other Draft Site Characterization WP received and asked for expedited review. Letter and comments sent April 19, 2021. RTC received 05/19/2021. Accepted and asked for final WP same day.Final WP approved 05/19/2021. Shonda Oderkirk
5/31/2022 Document, Report, or Work plan Review - other Draft report received. 6/27/2022- comments sent. 8/22/2022: RTC received. 9/15/2022: Approval sent for final WP. Note that several LODs exceeded MTG cleanup levels. Accepted results for presence/absence only. They will need to resample in those areas for delineation determination. Shonda Oderkirk
4/4/2023 Document, Report, or Work plan Review - other Draft work plan received. Contaminated soil will be removed until the HH cleanup levels are achieved. Soil contamination exceeded MTG is allowable IF the ground water continues to show no exceedances of Table C MTG levels. 5/3/2023 Comments sent.5/16/2023 approval sent for final work plan. Shonda Oderkirk
6/14/2024 Update or Other Action Clarification for entry dated 4/4/2023: The cleanup level that applies at this site is the most stringent cleanup level as described in 18 AAC 75.340 and Tables B1 and B2. For almost all contaminants, the most stringent cleanup level is migration to groundwater; however, some PAHs have a more stringent human health cleanup level. The authority to close sites with residual migration to groundwater exceedances is delegated to the Environmental Program Manager 2 (EPM 2). The EPM 2 may make a site-specific determination to issue a cleanup complete determination if the responsible party presents documentation for DEC review and approval which demonstrates that soil contamination has been delineated horizontally and vertically to the most stringent cleanup levels and groundwater concentrations are below the applicable 18 AAC 75 Table C groundwater cleanup levels after multiple rounds of sampling. Jamie McKellar

Contaminant Information

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State of Alaska Department of Environmental Conservation

P.O. Box 111800
Juneau, AK 99811-1800
Phone: 907-465-5066
Fax: 907-465-5245
TDD: 800-770-8973
Physical Location: 410 Willoughby