Practice Areas


Our attorneys have comprehensive experience in all aspects of environmental law.




We routinely advise on safety compliance issues, permitting, audit protocols and enforcement actions


We have decades of experience defending and trying toxic tort cases.



Our team has litigated a wide variety of environmental, corporate, product liability and commercial matters.

MD named a Tier 1 Cleveland “Best Law Firm” in two practice areas by U.S. News – Best Lawyers® in 2019

McMahon DeGulis LLP is pleased to announce that the firm has been named a Tier 1 firm in Cleveland for Environmental Law and Environmental Litigation in 2019 by U.S. News – Best Lawyers®. In addition, the firm received a Tier 2 National ranking in Environmental Law and Environmental Litigation by U.S. News – Best Lawyers® for the Ninth Edition of “Best Law Firms.”

Firms included in the 2019 Edition of “Best Law Firms” are recognized for professional excellence with consistently impressive ratings from clients and peers. Achieving a tiered ranking signals a unique combination of quality law practice and breadth of legal expertise.

MD is honored by this national and metropolitan recognition by U.S. News – Best Lawyers®. Across Ohio and beyond, we strive to match our clients with the attorney best-suited to serve their particular need resulting in the flexible, efficient and focused practice of law to the benefit of our clients.

Learn More

Camille Yancey Joins MD as Of Counsel

McMahon DeGulis is pleased to welcome E. Camille Yancey to the firm. Camille joins the firm as Of Counsel and will continue her practice focusing on environmental regulatory compliance and environmental litigation. Camille is admitted to practice in Ohio and Kentucky.

Camille works closely with clients to navigate complex environmental laws. Her experience includes regulatory compliance counseling and litigation issues arising out of the waste programs (CERCLA and RCRA) and the Clean Water Act. Camille also has considerable experience with environmental permitting, transactional due diligence, enforcement actions, permit appeals, and citizen suit litigation.

Learn More About Camille's Work

Erin McDevitt-Frantz to Present at 2018 Stormwater Solutions Conference

On Thursday November 15, Erin McDevitt-Frantz will deliver two presentations at the 2018 Stormwater Solutions Conference in Chicago. The first, City of Green v. Ohio EPA: A Case Study on Legal and Scientific Collaboration, with Jamie Krejsa of EnviroScience, offers insight into the value of collaboration between water quality professionals and legal counsel. Funding Stormwater Solutions: Legal and Practical Considerations, with Todd Danielson of Avon Lake Regional Water and Jerry Rouch of Ohio EPA,  will examine the legal and practical considerations of the implementation of stormwater management solutions on private property and focus on an innovative funding program implemented in Avon Lake, Ohio.

View the Agenda

Erin M. McDevitt-Frantz Published in CMBA Journal

In “Building Upon the Brownfield Program: The Brownfield Utilization, Investment and Local Development Act of 2018,” co-authors Erin M. McDevitt-Frantz and law student Lauryn G. Kitchen analyze the first major legislative change to CERCLA since 2002. The article was published in the October 2018 edition of the Cleveland Metropolitan Bar Association Journal (available here).

The article delves into the impact of expanded eligibility and liability protections that incentivize and encourage brownfield redevelopment, and explores the increased and expanded funding.

Learn More About Erin's Work