Industrial & Manufacturing cleanup site — Restorical Research
Advance Die Cast - Plant 1
Milwaukee, Milwaukee County
Restorical Research
Preliminary Site-Specific Analysis

This property has a documented history as an industrial and manufacturing facility going back to 1900. 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 housed aluminum and zinc die casting manufacturing since the early 1900s, with the original plant building constructed in the 1920s and operations involving cutting oils, greases, degreasers, solvents, and petroleum storage tanks continuing for decades before 1986. A 2015 Phase II investigation found groundwater contamination across all seven temporary monitoring wells, with benzene at sixty-nine times the NR 140 enforcement standard and heavy metals — including aluminum, lead, arsenic, and chromium — at concentrations ranging from tens to thousands of times above enforcement standards. Chrysene was detected above the NR 140 preventive action limit in seven of eight wells, and the investigation concluded there is a strong possibility that groundwater contamination is migrating eastward beyond the property boundary. 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 Industrial & Manufacturing
LocationMilwaukee, Milwaukee County
Historical UseIndustrial & Manufacturing
Est. Operating Since1900
DNR ProgramLeaking UST Program
Contamination & Investigation
Site Assessment Summary
ContaminantsBenzene, 1,2,4-trimethylbenzene, chrysene (PAHs), and heavy metals (aluminum, lead, arsenic, chromium) in groundwater, with petroleum hydrocarbons from suspect underground storage tanks
Regulatory ProgramWisconsin DNR — NR 700
BRRTS #03-41-597824

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.

Aluminum and zinc die casting operations at this property date to the early 1900s, with the original plant constructed in the 1920s and decades of work involving cutting oils, solvents, degreasers, and petroleum storage continuing well before 1986. The groundwater investigation still underway, delineation of the contamination plume potentially migrating beyond the property boundary, and the remediation and long-term monitoring required under Wisconsin DNR LUST program oversight represent future costs that the historical pre-1986 carriers for the businesses that operated here 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.