Vibrant Riverfront in Downtown Cleveland Ohio

Environmental & Litigation

McMahon
DeGulis

Providing experienced, innovative, and focused legal representation in environmental, energy, safety & health, and related litigation for over 30 years.

Find an Attorney
Beautiful Cleveland, Ohio Riverfront at Sunset

Navigating Environmental Law

Complex environmental laws can have a substantial impact on your business, including permit disputes or a more significant enforcement matter. Our talented attorneys have a wealth of experience addressing specific environmental issues. Services include:

No matter the circumstances, our environmental lawyers are ready to guide you through federal, state, and local regulations. Should you need our litigation services, our attorneys have significant trial experience. We regularly support transactions through our environmental expertise.

Explore Our Practice Areas

Water

NPDES permits, groundwater, wetlands, stormwater, public water system management, ditches, and drinking water – our attorneys are experienced with the universe of water-related issues.

Air

Whether you are managing air emission sources or air quality issues, to a more complex permitting arising under the Clean Air Act, our attorneys are well versed in the nuances of air regulations.

Land & Property

From migrating groundwater to vapor intrusion, air deposition to underground storage tank releases, and more, our attorneys can guide you through the issues impacting your property.

Safety & Health

We work diligently to help union and non-union operations establish and support robust health & safety systems, address OSHA compliance, and defend Whistleblower Actions.

Energy

From siting for renewable and alternative energy projects to negotiating power purchase agreements, we work to advance energy projects of all types.

Waste

We counsel clients on numerous waste issues, including solid and hazardous waste, universal waste, recycling exemptions, exclusions, and beneficial reuse opportunities.

A Talented Team

Our attorneys consistently receive local and national recognition for their work. Several of our attorneys have experience outside of Ohio as well, having begun their careers at large national or global law firms.

Our attorneys are supported by a professional staff with equally diverse backgrounds and a strong commitment to client success.

Meet Our People
The Team at McMahon DeGulis

Strategic Partnerships & Memberships

NACWA Logo
Environmental Law Network Logo
Ohio Stormwater Association Logo

Serving a Wide Range of Industries

MD attorneys have significant experience serving clients in a wide range of industries through our regulatory compliance, litigation, and transactional services.
Environmental Law for Manufacturers

Manufacturing & Industrial

Environmental Law for Construction and Development

Real Estate & Development

Environmental Law for Local Governments

Local Government & Utilities

Environmental Law for Renewable Energy

Oil, Gas, Wind, & Solar Energy

News & Insights

Lou McMahon Named “Lawyer of the Year”

Congratulations to Lou McMahon, who has been honored by Best Lawyers™ as both the 2026 Environmental “Laywer of the Year” and the 2026 Litigation – Environmental “Lawyer of the Year” in Cleveland!

Two MD Attorneys Named to “Ones to Watch” List

Congratulations to Lee Slone and Megan Goedeker who were recognized in The Best Lawyers in America: Ones to Watch (2026 Edition). Both were recognized in their metropolitan area for work in Environmental Law and Litigation – Environmental.

2026 Edition of The Best Lawyers in America Includes 5 MD Attorneys

Congratulations to Greg DeGulis, Wendy Lavey, Lou McMahon, Erin McDevitt-Frantz, and Dave Nash for their inclusion in the 2026 edition of The Best Lawyers in America.