Public Works cleanup site — Restorical Research
Wppi Spill
Kaukauna, Outagamie County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as a public works and maintenance facility going back to 1982. Historical insurance policies issued during operations at this property and through 1986 could help fund the ongoing cleanup and groundwater monitoring obligations that Wisconsin DNR continues to oversee.

This property has supported power generation operations with fuel oil storage since at least 1982, and a release of approximately 6,000 gallons of fuel oil from a malfunctioning valve on the fuel storage system has contaminated groundwater with petroleum constituents. Groundwater sampling confirmed benzene, trimethylbenzenes, and naphthalene at concentrations exceeding Wisconsin NR 140 preventive action limits, and free product was observed in on-site sumps during initial response. The site is situated between the Fox River and Kankapot Creek, and Wisconsin DNR has directed evaluation of sediment and surface water in addition to continued groundwater investigation under the LUST program. 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 Public Works
LocationKaukauna, Outagamie County
Historical UsePublic Works
Est. Operating Since1982
DNR ProgramLeaking UST Program
Contamination & Investigation
Site Assessment Summary
ContaminantsPetroleum hydrocarbons including benzene, trimethylbenzenes (TMBs), and naphthalene from fuel oil in groundwater
Regulatory ProgramWisconsin DNR — NR 700
BRRTS #03-45-595861

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.

Fuel oil storage and power generation operations at this property date to at least 1982, placing years of active operations — and the approximately 6,000-gallon fuel oil release that contaminated groundwater with petroleum constituents — squarely within the pre-1986 window. The ongoing groundwater investigation, sediment and surface water evaluation along the Fox River and Kankapot Creek, and the remediation required under the Wisconsin DNR LUST program represent future 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

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.