This property has a documented history as a industrial and manufacturing facility going back to 1939. Historical insurance policies issued during operations at this property and through 1986 could fund a cleanup — and recover costs already spent.
Naval Magazine Indian Island has been wholly owned and operated by the U.S. Navy since 1939, commissioned in 1941 for production of underwater mines, storage of antisubmarine nets, and use as a minor ammunition depot. The facility's military-industrial operations generated contamination across multiple areas, including a landfill active from the 1940s through the 1970s, ordnance disposal areas used in the 1940s and 1950s, and a documented gas station leak in 1979. Cleanup activities to date have included extensive soil excavation, tank removals, installation of a landfill cap with a gas-collection system, and shoreline erosion protection, with long-term groundwater, sediment, and shellfish monitoring ongoing alongside institutional controls. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.
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.
Contamination at this facility stems from military-industrial operations that began in 1939 — nearly five decades before occurrence-based CGL policies were replaced by claims-made forms with pollution exclusions. The documented remediation expenditures — soil excavation, tank removals, landfill capping, gas-collection infrastructure, shoreline stabilization, and decades of environmental monitoring — represent costs tied directly to releases from those pre-1986 operations. Historical carriers who issued CGL policies during the facility's operational window may be obligated both to recover past cleanup costs and to fund the ongoing monitoring and maintenance this site still requires.
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
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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.


