Wisconsin Environmental
Practice Questions & Answers (2026)
Environmental questions on the Wisconsin exam cover both federal environmental laws and Wisconsin-specific disclosure requirements. Federal topics include lead-based paint (pre-1978 housing), asbestos, radon, underground storage tanks, and CERCLA liability. Wisconsin has additional state-level environmental disclosure requirements enforced by the Wisconsin Department of Safety and Professional Services (DSPS) — including Wisconsin-specific environmental conditions that affect property use and disclosure. Environmental questions trip up candidates who studied only federal law without reviewing the WI-specific overlay.
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Wisconsin Environmental — Practice Questions & Answers
99 questions on Environmental from the Wisconsin real estate question bank. First 10 are free — sign up to unlock all 99.
Q1. The Wisconsin Department of Natural Resources (DNR) has jurisdiction over which environmental concern affecting real property?
Explanation
The Wisconsin DNR oversees underground storage tank (UST) regulation and petroleum contamination cleanup under the Wisconsin Petroleum Environmental Cleanup Fund Act (PECFA). UST sites can significantly affect property marketability.
Q2. Wisconsin's shoreland zoning law requires a minimum building setback of how many feet from the ordinary high water mark of a navigable waterway?
Explanation
Wisconsin's shoreland zoning ordinances apply to lands within 1,000 feet of the ordinary high water mark of navigable lakes and 300 feet of rivers/streams, protecting water quality and natural shorelines.
Q3. Federal law requires disclosure of known lead-based paint hazards in housing built before:
Explanation
The Residential Lead-Based Paint Hazard Reduction Act (42 U.S.C. § 4852d) requires sellers and landlords of housing built before 1978 to disclose known lead-based paint hazards and provide the EPA pamphlet.
Q4. A Wisconsin property owner discovers radon levels of 4.0 pCi/L or higher in their home. According to EPA guidelines, this level:
Explanation
The EPA recommends radon mitigation when levels reach 4.0 pCi/L or higher. Wisconsin real estate sellers are encouraged (though not universally required) to disclose known radon issues on the Seller's Disclosure Report.
Q5. CERCLA (Superfund) holds property owners liable for hazardous waste cleanup based on the principle of:
Explanation
CERCLA imposes strict, joint and several liability, meaning that current owners can be held fully responsible for cleanup costs even if they did not cause the contamination, unless they qualify for an innocent landowner defense.
Q6. Asbestos-containing materials in a Wisconsin commercial building are most hazardous when they are:
Explanation
Friable asbestos (easily crumbled and capable of releasing fibers into the air) poses the greatest health risk. Intact, non-friable asbestos that is not disturbed is generally considered less hazardous.
Q7. A Wisconsin wetland located on a private property is regulated primarily by:
Explanation
Wisconsin wetlands are regulated by both the Wisconsin DNR under state law and the U.S. Army Corps of Engineers under Section 404 of the Clean Water Act. Development affecting wetlands typically requires permits from both agencies.
Q8. The Wisconsin Seller's Disclosure Report requires sellers to disclose known environmental concerns. Failure to disclose known issues can result in:
Explanation
Sellers who fail to disclose known material defects (including environmental issues) on the Wisconsin Seller's Disclosure Report can face civil liability for misrepresentation, fraudulent concealment, or breach of contract.
Q9. Mold in a Wisconsin home is considered a material defect that must be disclosed because it:
Explanation
Mold is considered a material defect in Wisconsin. Known mold must be disclosed on the Seller's Disclosure Report because it can cause health problems and significant remediation costs, materially affecting the property's value and desirability.
Q10. A Wisconsin buyer learns the property they are purchasing has a buried oil tank that was never removed. This is best described as:
Explanation
A buried oil tank is a potential environmental hazard. It may have leaked petroleum, requiring soil testing and possible remediation. The buyer should investigate before closing; title insurance does not cover environmental contamination.
Q11. Wisconsin's Petroleum Environmental Cleanup Fund Act (PECFA) provides financial assistance for:
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