William D. Hayes - Frost Brown Todd LLC

William D. Hayes

Listed in Best Lawyers since 2001
Phone: 513-651-6827

Bill is a member in the environmental practice group, with a practice focused on air quality issues.  Since 1991, he has provided his expertise to manufacturing clients regarding plant expansions, processing changes, transactions and enforcement defense in matters brought by local, state and federal environmental agencies.  Bill also advises clients on climate change regulatory developments.  He has extensive experience with all aspects of the Clean Air Act, including major and minor New Source Review, New Source Performance Standards, Maximum Achievable Control Technology requirements, and Title V Operating permits.  Bill has unique experience and insight with regards to compliance counseling to the automobile manufacturing and parts industries.  


Prior to private practice, served as managing attorney for air and water programs at the Ohio Environmental Protection Agency

Serving as outside environmental counsel for several major corporations, including automotive manufacturers, tire manuafacturing, furniture manufacturering, and foundries.

The enforcement defense of a stone and aggregate company, resulting in change of the Federal New Source Performance Standards Rule relating to underground non-metallic mineral processing.

Denison UniversityBA 1983Capital University Law and Graduate CenterJ.D. 1986Vermont Law SchoolLL.M 2011
American Bar AssociationOhio State Bar Association-Environmental CommitteeCincinnati Bar Association-Environmental Committee

Client Comments

"I have the highest regard for Bill Hayes. Bill clearly explains in layman's language what our requirements are or are not in regards to the complicated regulations surrounding industry. Bill understands our company and gives timely responses to all inquiries. Bill keeps us informed when new regulations are passed which he feels may impact us. I would not hesitate to recommend Bill's expertise to any prospective client."

"Mr. Hayes has assisted several companies I have worked with for over the last 10 years. He has brought his deep experience in federal and state requirements across the Midwest, his innate ability to gain consensus, and his high ethical standards to situations requiring frank and heartfelt negotiations. In each case, he brought the issue to a conclusion that upper management considered a success and materially benefited our bottom line."

"I have worked on and off with Bill Hayes for 20 years, not only while at Scotts but also at other manufacturing companies in Ohio. Bill's expertise in air regulatory matters and his rapport with the Ohio EPA allow Bill to be an excellent representative of a company's position. Bill is great to work with, not only because of his knowledge of the law, but also because of his personality with his clients. Bill deserves any and all recognitions for jobs well done. "

-Michael Black
Manager, Environmental, Health, & Safety
The Scotts Miracle-Gro Company

"Bill is very knowledgeable and current on complex regulatory issues, such as New Source Review. He weighs all possible information before developing a cohesive strategy that will result in a positive client outcome. Most importantly, Bill is effective because of his composure, personal demeanor, and ability to create win-win scenarios."

-Craig Schmeisser
RMT, Inc.

"Bill is outstanding to work with. He uniquely combines an in-depth knowledge of environmental regulations, and the statutes and case law behind them, with a practical, common-sense application to provide basic, easy-to-follow solutions to complex issues. His depth of experience on both sides of environmental compliance and enforcement make him an invaluable asset to us and our clients."

-Jeff Slayback
Vice President, Environmental Compliance
Environmental Quality Management, Inc.

"Bill's technical expertise in environmental law is unsurpassed. He also is exceptionally responsive and client focused."

-Robert Hust
Senior Managing Counsel
Honda of America Mfg., Inc.

Office Location

Great American Tower, Suite 3300
301 East Fourth Street
Cincinnati, OH 45202
United States

Lawyer of the Year Awards

2017 Lawyer of the Year in Environmental Law of the Cincinnati Metro Area2016 Lawyer of the Year in Litigation - Environmental of the Cincinnati Metro Area2012 Lawyer of the Year in Environmental Law of the Cincinnati Metro Area
William D. Hayes has earned a Lawyer of the Year award for 2017!William D. Hayes has earned a Lawyer of the Year award for 2016!William D. Hayes has earned a Lawyer of the Year award for 2012!

Practice Areas

Environmental Law (Administrative/Regulatory, Clean Air Act, Climate Change, Counseling, Enforcement Defense, Environmental Permitting, Permitting)
Litigation - Environmental

Other Information

Gender: Male