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.

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Beautiful Cleveland, Ohio Riverfront at Sunset

Navigating Environmental Law

Complex environmental laws can have a substantial impact on your business, whether that stems from a permit or from a more significant enforcement matter. Our talented attorneys have a wealth of experience tackling 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 of all shapes and sizes.

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

Wework 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

Always thinking two steps ahead, our talented attorneys bring diverse backgrounds and deep experience to every client and matter. 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 seeing the firm succeed.

Meet Our People

The Team at McMahon DeGulis

Strategic Partnerships & Memberships

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

2025 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 2025 edition of The Best Lawyers in America.

Supporting Our Communities

On July 27, Margaret Saldivar spent her Saturday morning supporting the Pan Ohio Hope Ride, passing out water and snacks, while cheering on the cyclists participating in Day 3 of the ride. Among the cyclists was MD’s own Rebecca Hedegore who rode from Cleveland to Cincinnati.

MD Recognized by Chambers USA

MD is pleased to be recognized by Chambers USA: America’s Leading Lawyers for Business (2024 Edition) as a Band One law firm in Ohio for Environment. Additionally, attorneys Gregory DeGulis, Wendlene Lavey, and Louis McMahon were recognized for their work and David Nash was named a Senior Statesman.