Allyn brings over 30 years of insider understanding of government operations.

Her experience as former Region 10 Counsel at the Environmental Protection Agency (EPA) informs her deep policy, regulatory, and enforcement knowledge. Allyn draws on her breadth and depth of expertise to help clients comply with an array of environmental statutes and regulations applicable to their businesses, including Clean Water Act (CWA) and Resource Conservation and Recovery Act (RCRA) permit approvals, risk management under the Clean Air Act 112(r), civil and criminal enforcement, Superfund cleanup and redevelopment, and pollution prevention strategies.

Allyn's in-depth knowledge of EPA policies and Department of Justice protocols enables her to capably advise clients on their interactions with these agencies. She guides clients through environmental issues arising in business operations, real estate development and permitting, or litigation. She has extensive experience with many environmental statutes, particularly the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA); RCRA; and CWA.

As Regional Counsel at EPA, she was the senior executive directly advising career staff and political appointees on litigation strategy, enforcement approaches, and decision making to implement all the laws under EPA authority. She managed a staff of 40, including attorneys, paralegals, and administrative assistants, providing legal advice to the Region’s 400 employees. Her work also influenced national decision making, particularly on enforcement matters, Superfund, and CWA litigation and policy. Allyn provided legal advice and strategy on hundreds of EPA decisions including tribal treaty rights and consultation, CWA permits, water quality standards, Total Maximum Daily Load allocations, RCRA regulatory interpretation, Superfund removal and remedial actions, and many enforcement cases under the CWA, Clean Air Act (including RMP), RCRA, FIFRA, TSCA, and EPCRA. In San Francisco, she also served as Deputy Director for the regional air program. Allyn also has incident management experience and has been in the field managing press inquiries during a high profile oil spill response. Because of her emergency response experience, Allyn was selected to be a part of the investigation team following the Gold King Mine release.

Allyn has taught law since 2005, with positions at the University of California Hastings School of Law, Seattle University, and Seattle University Law School. She has taught courses on Negotiation Skills, Environmental Law, and Environmental Enforcement.


  • Indiana University  (B.A., 1983)
  • George Washington University  (J.D., 1987)

Bar Admissions

  • Washington
  • District of Columbia

Professional Affiliations

  • National Association of Women Lawyers, Environmental and Energy Law Affinity Group, Co-Chair
  • American Bar Association Waste & Resource Recovery Committee, Vice Chair