Gas Station cleanup site — Restorical Research
Driftwood Sport & Fuel
Amberg, Marinette County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a gasoline service station going back to 1954. Historical insurance policies issued during those prior operations and through 1986 could help fund the ongoing cleanup and groundwater monitoring obligations that Wisconsin DNR continues to oversee.

This property has operated as a gasoline service station since the 1950s, with four underground storage tanks installed between 1966 and 1968 — including a 12,000-gallon unleaded gasoline tank and smaller fuel oil and gasoline tanks. Petroleum contamination from decades of pre-1986 fueling operations has impacted groundwater, with benzene measured at nearly fifteen times the Wisconsin NR 140 enforcement standard in recent monitoring. The site remains an open Wisconsin DNR LUST case, with groundwater monitoring and well abandonment work still required before closure can be achieved. 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.

Former Use
Former Gas Station
LocationAmberg, Marinette County
Historical UseGas Station
Est. Operating Since1954
DNR ProgramLeaking UST Program
Contamination & Investigation
Site Assessment Summary
ContaminantsPetroleum hydrocarbons including benzene and trimethylbenzenes from leaking underground storage tanks in groundwater
Regulatory ProgramWisconsin DNR — NR 700
BRRTS #03-38-592709

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 Wisconsin — 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.

Underground storage tanks installed at this property between 1966 and 1968 supported petroleum fueling operations that began in the 1950s and continued for approximately two decades before 1986. The ongoing groundwater monitoring, well abandonment, and any additional remediation needed to bring benzene and other contaminants below NR 140 enforcement standards and achieve closure of the open Wisconsin DNR LUST case represent future costs that the historical pre-1986 carriers insuring those operations 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

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 viable insurance coverage exists to fund the cleanup, 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.