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Sara Chamberlain


St. Louis
314 552 6112 314 552 6112 direct

Sara assists clients in identifying, navigating and responding to environmental risks and liabilities. She represents and defends clients in environmental litigation and regulatory enforcement matters, including those arising under the Clean Water Act, Clean Air Act, CERCLA, RCRA, FIFRA, and their state law counterparts.

As part of her environmental practice, Sara also helps clients to investigate, understand, and assess potential environmental risks and concerns in real estate and other transactional matters, including obtaining and interpreting Phase I Environmental Site Assessments and modifying and transferring environmental permits. She also has experience in responding to EPA information requests, navigating endangered species and wetlands related issues, (e.g., National Environment Policy Act compliance and Section 404 permitting), and advising clients on ESG related issues. Sara's goal is to help clients better understand their environmental responsibilities and achieve their environmental goals.

Since joining Thompson Coburn, Sara has also successfully represented and defended clients in a wide variety of common law tort, products liability and general business litigation matters.

Thompson Coburn Publications

Long-Awaited SEC Climate Disclosure Rule Draws Legal Challenges Across the Ideological Spectrum

California's New Environmental Disclosure Laws Mandate Corporate Transparency

Maine’s PFAS product reporting deadline is quickly approaching: Are you ready?

EPA announces proposed rule on HFC allowance allocations for 2024-2028

EPA continues to advance aggressive PFAS strategy with new RCRA rulemakings

EPA incorporates environmental justice into enforcement policy: How can regulated industries prepare?

New administration, new priorities: Preparing for the Biden-Harris Administration’s key environmental focus areas

EPA recommends new requirements in NPDES permits to address PFAS in wastewater and stormwater

2020 ‘Waters of the United States’ Rule narrows federal authority and may open opportunity for development

Supreme Court expands reach of Clean Water Act to cover some discharges to groundwater

CSB’s new accidental release reporting rule expands facilities’ reporting obligations

DOJ curtails use of supplemental environmental projects in environmental settlements

EPA formalizes approach to avoid federal and state duplication of inspections and enforcement

EHS voluntary compliance prevents injuries and saves money

Uh-oh, y’all: EPA’s action against ‘Fixer Upper’ stresses importance of lead paint rules

Do you need a Section 404 permit for your real estate development?


Co-Author, "What's Extraordinary About Challenges To SEC Climate Rule,"
Law360, May 8, 2024