William S. Hatfield

William S. Hatfield

Gibbons P.C.

Recognized since 2008

Newark, New Jersey

Practice Areas

Environmental Law

Litigation - Environmental

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Mr. Hatfield focuses his practice on environmental counseling in complex regulatory and litigation matters, strategic planning, permitting and compliance, defense of state and federal enforcement matters, environmental health and safety audits, and due diligence in acquisitions and divestitures. He represents clients in an array of environmental matters involving the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), Resource Conservation and Recovery Act (RCRA), and the New Jersey Spill and Landfill Closure Acts. He works with environmental consultants and technical experts on the investigation and remediation of sediment sites and contaminated properties and has extensive experience helping clients navigate through complex disputes and transactions related to allocation of responsibility for cleanup and remedial activities. Mr. Hatfield has represented multiple parties in complicated hazardous waste site matters, and he sets strategy and leads the efforts in a number of joint defense groups. He has also represented clients in matters related to brownfields sites and redevelopment of underutilized and contaminated properties in several states.

In addition, Mr. Hatfield has extensive experience in environmental/permitting due diligence investigations for facilities and assists clients in determining the risks associated with acquiring assets and real property in New Jersey and New York. He has negotiated developer agreements and has assisted and advised clients in connection with environmental issues in contracts and leases related to remediation and permitting compliance issues.

As a lawyer with a master’s degree in the study of environmental law, Mr. Hatfield has considerable educational training and experience with environmental matters from both the technical and policy perspectives. He has significant litigation experience on complex environmental matters involving multiple parties and sites that have been impacted by different sources of contamination. He has trial experience in both the state and federal courts in New Jersey and has significant experience in alternative dispute resolution and negotiation of environmental liabilities among potentially responsible parties (PRPs).


  • One Gateway Center
    Newark, NJ 07102-5310


  • Brown University, B.A.
  • Vermont Law School , J.D.
  • Vermont Law School, M.S.L.

Bar Admissions

  • New York, State of New York
  • New Jersey, State of New Jersey


  • American Bar Association Natural Resources- Energy and Environmental Law Section - Member
  • New Jersey State Bar Association- Environmental Law Section - Member
  • New York Bar Association- Environmental Law Section - Member

Gibbons P.C.
Headquarters: Newark, New Jersey

55 The Best Lawyers in America® awards

8 Best Lawyers: Ones to Watch in America awards

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Full Firm Profile

Recognized in The Best Lawyers in America® 2022 for work in:

  • Environmental Law
  • Litigation - Environmental

Special Focus

  • Administrative/Regulatory
  • Clean Air Act
  • Clean Water Act
  • Counseling
  • Enforcement Defense
  • Environmental Cleanup
  • Environmental Crimes
  • Environmental Permitting
  • Litigation
  • RCRA/Hazardous Waste
  • Solid Waste
  • Superfunds/Environmental Remediation


  • Listed in Chambers USA Guide to America's Leading Lawyers for Business, Environment
  • Selected to the New Jersey Super Lawyers list, Environmental
  • AV® Peer Review Rated by Martindale-Hubbell

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