Public Works cleanup site — Restorical Research
Westport City of Maintenance Yard
Westport, Grays Harbor County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a public works and maintenance facility predating 1986. Historical insurance policies issued during operations at this property and through 1986 could fund a cleanup — and recover costs already spent.

The City of Westport Maintenance Yard is a municipal public works facility where perchloroethylene (PCE) was discovered in groundwater in August 2007, traced to historic fueling and maintenance activities at the site. Cleanup under the Voluntary Cleanup Program has included soil excavation, in-situ chemical oxidation via RegenOx injections, installation of perforated piping for electron donor delivery, and injection of 300 gallons of Regenesis 3-D Microemulsion into groundwater. Groundwater monitoring has been conducted since at least 2008, and cleanup work is ongoing. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.

Former Use
Former Public Works
AddressWestport, Grays Harbor County
Historical UsePublic Works
Est. Operating SincePre-1986
StatusCleanup Started
Contamination & Investigation
Site Assessment Summary
ContaminantsPerchloroethylene (PCE) detected in groundwater
Media ImpactedSoil, Groundwater
Regulatory ProgramMTCA — Voluntary Cleanup Program
Ecology Site #1492

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.

The PCE contamination at this municipal maintenance yard originated from fueling and maintenance operations that the site documents characterize as historic — predating the post-1986 shift to claims-made and pollution-exclusion policies. Occurrence-based CGL policies issued to the City during that pre-1986 operational window carried no effective pollution exclusion under Washington law and remain a plausible avenue for cost recovery. The documented remediation work — soil excavation, chemical oxidation, in-situ groundwater treatment, and years of ongoing monitoring — represents exactly the category of cleanup expenditure those historical policies were written to cover.

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.