Landfill cleanup site — Restorical Research
Oak Harbor Landfill
Oak Harbor, Island County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a landfill going back to 1953. Historical insurance policies issued during those prior operations and through 1986 could fund a cleanup.

The Oak Harbor Landfill was a former aggregate borrow pit operated by the City of Oak Harbor as a municipal burning dump from 1953 to 1969, then as a landfill through 1982, with sewage sludge deposition continuing until 1985. Materials disposed of at the site included domestic waste, dry cleaning wastes containing perchloroethylene (PCE), sewage sludge, and Darco sludge. Cleanup work directly at OHL has been limited to scrap metal removal at an adjacent junkyard; formal remediation of the landfill itself has not yet commenced, and the site remains in the Awaiting Cleanup phase. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.

Former Use
Former Landfill
AddressOak Harbor, Island County
Historical UseLandfill
Est. Operating Since1953
StatusAwaiting Cleanup
Contamination & Investigation
Site Assessment Summary
ContaminantsPerchloroethylene (PCE/PERC), sewage sludge, and Darco sludge from mixed municipal waste disposal in soil
Media ImpactedSoil, Groundwater, Surface Water
Regulatory ProgramMTCA — Standard Cleanup
Ecology Site #4723

Why Historical Insurance Policies May Be Accessible

Pre-1986 Commercial General Liability (CGL) policies were occurrence-based and did not contain an effective pollution exclusion in Washington. If contamination occurred while those policies were active, those historical insurance carriers may still have a legal obligation to fund the cleanup costs, even if the business closed or the property changed hands.

Waste disposal operations at this property began in 1953 and accepted dry cleaning chemicals — including PCE — and industrial sludges throughout a period extending more than thirty years before the 1986 insurance-industry shift away from occurrence-based coverage. CGL policies issued to the City of Oak Harbor or other operators during that window carried no effective pollution exclusion under Washington law and remain enforceable. With no active remediation yet underway at the landfill itself, the full scope of investigation and cleanup costs lies ahead — costs that historical carriers who covered waste disposal operations here may be obligated to fund.

Restorical's role is to locate viable historical policies, determine whether a successful coverage claim is possible, and assist our clients and their legal counsel to obtain insurance coverage. Restorical then manages the claim, including accounting, to ensure the cleanup is funded in a timely manner.

What We Look For

  • Historical insurance policies (pre-1986)
  • Policy numbers, carrier names, and coverage periods
  • Connection between contamination timing and policy period
  • Evidence linking cleanup obligation to insured activity

What We Deliver

  • Historical Coverage Chart
  • Trigger Analysis & Property/Policy Nexus
  • Coverage strategy with recommendations
  • Insurance funding for your remediation
  • Claims Management & Forensic Accounting

The Restorical Proven Process

Task 1 — Research and Analysis
Restorical searches for viable historical insurance policies, researches the site history, analyzes the contamination impacts, and underwrites potential coverage — including a proprietary trigger analysis. At the end of Task 1, we provide a clear yes or no on whether a successful cost recovery is possible, along with a strategy and recommendation specific to your situation, even if you are not the policyholder.
Task 2 — Coverage and Funding
When Task 1 confirms viable coverage, Restorical works with your legal counsel to tender the claim, negotiate and secure insurance coverage. Restorical will manage the ongoing claim process, including accounting to ensure the insurance companies are funding your remediation in a timely manner.

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This analysis is preliminary and based on publicly available records. Restorical Research is not a law firm and does not provide legal advice.