Every contractor working in East Tennessee moves material that used to be treated as inert—soil, groundwater, demolition debris, dredge spoil—and any of it can now carry a liability the industry spent decades ignoring. Per- and polyfluoroalkyl substances, the "forever chemicals" known collectively as PFAS, have moved from an environmental footnote to a defining exposure in commercial construction. If your crews disturb contaminated ground, transport it, or leave a site altered, the regulatory and insurance landscape of 2026 asks a question worth answering deliberately: who owns that risk when the claim arrives?
Start with what changed at the federal level. In May 2024 the EPA designated PFOA and PFOS—two of the most common PFAS compounds—as hazardous substances under CERCLA, the Superfund law, with the rule taking effect July 8, 2024. In September 2025 the agency confirmed it would continue to defend that designation. The practical consequence is ownership of cleanup cost: under CERCLA, liability attaches broadly, and cost-recovery actions can reach parties who never manufactured a chemical but merely handled contaminated material. Separately, the EPA set enforceable drinking-water limits of 4.0 parts per trillion for PFOA and PFOS, and while a 2026 proposal would extend compliance deadlines toward 2031, the direction of travel is clear—these compounds are being regulated at vanishingly small concentrations.
That regulatory pressure has surfaced a gap most contractors do not know they carry. Your Commercial General Liability policy—the coverage you assume responds to job-site damage—contains a pollution exclusion, and has for years. CGL was never built to answer a contamination claim, and PFAS sits squarely inside what it declines. The coverage you count on is the coverage that steps aside precisely when environmental exposure turns real.
Contractors Pollution Liability exists to fill that space. CPL responds to bodily injury, property damage, and cleanup costs arising from pollution conditions caused by your work at third-party sites—the soil remediation, abatement, dewatering, tank removal, and earthmoving that CGL excludes by design. For a contractor whose operations routinely disturb ground, CPL is not a peripheral line; it is the coverage that matches the actual work.
Here is where discipline matters, because CPL is not a blanket. Insurers have moved to control their own PFAS exposure. The Lloyd's Market Association has published model PFAS exclusion clauses, and many environmental package policies now exclude PFAS in absolute terms—no exceptions, no givebacks. The 2026 environmental market is, on balance, a functioning one: CPL capacity remains available, new carriers have entered, and rates for contractors have stayed comparatively stable against the double-digit increases seen in some general liability segments. But underwriters are applying heightened scrutiny to PFAS, and the endorsement language is where a policy quietly decides whether it will answer a forever-chemical claim or walk away from it.
This is the hidden risk. Two contractors can hold policies with identical limits and identical premiums, and only one is actually protected for the exposure that could end a business—because one read the exclusion and one did not. Since 2019, PFAS litigation has broadened well beyond chemical manufacturers to reach property owners, site operators, and the contractors who worked the ground. A clean certificate of insurance tells you nothing about whether the PFAS exclusion buried on page forty leaves you holding a seven-figure remediation bill.
The intentional path is to treat coverage as something you design rather than something you accept. That means reading the actual forms—not the summary—and knowing, before you bid a project that touches suspect soil or firefighting-foam history, exactly where your protection begins and ends. It means aligning contract language, indemnity provisions, and insurance so risk is allocated on purpose instead of by default. And it means revisiting the structure as the regulatory picture keeps moving, because the standards written in 2026 will not be the standards of 2029.
This is the work our 4-Step Strategic Process is built for. In Strategic Discovery we illuminate how your operations actually generate environmental exposure—the sites, the materials, the contract obligations. In Risk Assessment we uncover the gaps between what your CGL, CPL, and package policies say and what your projects require, exclusions included. In Solution Design we structure coverage and contract terms that place ownership of PFAS and pollution risk where it belongs. Through Ongoing Optimization we keep that structure aligned as regulation and the market shift beneath it. The goal is not more paper—it is genuine control over an exposure the industry is still learning to name.
PFAS is not a passing headline. It is a durable feature of construction risk, written into federal law and priced into the market. Contractors who treat it with the seriousness they bring to safety and scheduling will carry a real advantage: clarity where competitors have assumptions. The firms that surface their own coverage gaps now will be the ones still standing when the claims mature.
— Ryan Mefford, President & Risk Advisor
Sources used
- U.S. EPA — Designation of PFOA and PFOS as CERCLA Hazardous Substances
- Saul Ewing LLP — EPA Retains CERCLA Hazardous Substance Designations for PFOA and PFOS
- U.S. EPA — Proposed PFOA and PFOS Compliance Extension Rule
- Insurance Journal — Snapshot: Environmental and Construction Professional Liability Insurance Market
- IA Magazine — How Environmental Casualty Package Policies Can Help Your Contractor and Fixed-Facility Clients
- NFP — So, You Have a PFAS Exclusion. Now What?
- Browne Jacobson — PFAS Exclusions Updated (Lloyd's Market Association model clauses)