Andrew Stewart is a distinguished partner within our firm’s Environmental practice group, a team consistently recognized for its excellence, holding a Band 1 ranking in the District of Columbia by Chambers USA 2024 and acclaimed as a “Practice Group of the Year” in Environmental Law by Law360. His individual recognition in Chambers USA for Environment in the District of Columbia (2024) is reinforced by client testimonials highlighting his exceptional service. Clients describe Andrew as “a great lawyer who’s very timely and always provides excellent service on complex regulatory rules” and an “absolute professional with tremendous expertise in EHS law, dedicating his time to providing top-tier legal assistance.” This praise, featured in Chambers USA 2024, underscores his commitment to client success. Further solidifying his reputation, Andrew Stewart is also named among the 2025 Lawdragon “Green 500: Leaders in Environmental Law.”
His prior experience as a senior official at the U.S. Environmental Protection Agency (EPA) provides Andrew Stewart with unique insights into navigating complex environmental challenges. This background is invaluable to clients facing a wide spectrum of compliance and enforcement issues. Andrew Stewart focuses his practice on intricate, high-stakes environmental matters, where his insider understanding of regulatory processes becomes a critical asset. His representations frequently involve enforcement actions initiated by the EPA, state agencies, and the Department of Justice under various environmental statutes.
With over 25 years of dedicated experience in Environmental law, Andrew Stewart expertly handles issues arising from all major federal and state environmental laws. This includes the Clean Water Act (CWA), Clean Air Act (CAA), the Resource Conservation and Recovery Act (RCRA), and the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). He provides counsel and representation to clients across diverse sectors, including oil and gas, chemical manufacturing, life sciences, and vehicle and engine manufacturing. His work encompasses navigating permitting processes, advising on crucial environmental obligations, and vigorously defending clients in government enforcement actions and citizen suits. Andrew Stewart also advises on managing site contamination issues under federal environmental laws and permits, as well as fulfilling reporting mandates under RCRA, the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), and the Emergency Planning and Community Right-to-Know Act (EPCRA), including Toxics Release Inventory reporting. He routinely guides companies in making voluntary disclosures under the U.S. EPA Audit Policy and various state voluntary disclosure programs.
Andrew Stewart’s extensive knowledge is significantly enhanced by his tenure as a senior manager at the EPA. During his time as acting division director in the Office of Civil Enforcement, he spearheaded numerous complex enforcement cases and litigations impacting a wide array of industries, such as oil and gas, chemical manufacturing, agribusiness, and mining. His EPA experience covered cases related to the CWA, CAA, RCRA, and FIFRA, among others. Crucially, he was also responsible for overseeing the EPA’s Audit Policy implementation and resolving numerous disclosures made under this policy. His EPA service further includes his role as a senior attorney in the Water Enforcement Division, where he managed enforcement matters related to the National Pollutant Discharge Elimination System and Spill Prevention, Control, and Countermeasure program regulations, as well as violations of wetlands program requirements.
Beyond his practice, Andrew Stewart actively contributes to the legal community, serving as the vice-chair of the Enforcement and Litigation Committee within the American Bar Association Section of Environment, Energy, and Resources. This leadership role reflects his standing as a respected and influential figure in environmental law.
