This property has a documented history as a public works and maintenance facility predating 1986. Historical insurance policies issued during those prior operations and through 1986 could help fund the ongoing and future cleanup under Oregon DEQ oversight.
Trichloroethylene (TCE) has been confirmed in groundwater beneath the Allen Street Study Area in Benton County, with eight residential drinking water wells contaminated at concentrations up to 491 µg/L and soil vapor intrusion documented at multiple properties. Oregon DEQ installed carbon-treatment units on five affected wells and continues to maintain them while the contamination source remains unidentified — suspect sources include the Benton County Public Works Shops and the Willamette Pacific Railroad right-of-way, both consistent with long-standing pre-1986 operations. A Site Investigation Report was completed in November 2024 and soil vapor monitoring continued through July 2025, with additional area-wide investigation planned and no No Further Action determination issued. That history could support an insurance coverage claim against the carriers who issued policies more than 40 years ago — coverage that could help fund the cleanup ahead.
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 Oregon — and those policies may provide coverage that remains enforceable today. 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 suspect sources behind this contamination — public works operations and railroad activity — are consistent with industrial uses that were well established before 1986. With no No Further Action determination yet issued, the work that lies ahead — continued maintenance of drinking-water treatment systems, area-wide source identification investigation, vapor intrusion monitoring at residential properties, and long-term remediation — represents costs that historical pre-1986 carriers 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
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Contact UsThis analysis is preliminary and based on publicly available records. Restorical Research is not a law firm and does not provide legal advice.