Joseph G. Maternowski

Attorney Profile

Top Rated Environmental Attorney in Minneapolis, MN

Hessian & McKasy, P.A.
 | 60 South 6th Street, 3700 RBC Plaza
Minneapolis, MN 55402
Phone: 612-746-5754
Fax: 612-746-5777
Selected To Super Lawyers: 2011 - 2013
Licensed Since: 1985
Practice Areas:
  • Environmental (50%),
  • Real Estate: Business (20%),
  • Environmental Litigation (10%),
  • Business/Corporate (10%),
  • Administrative Law (10%)
    Attorney Profile

    Shareholder at Hessian & McKasy, P.A., Joseph G. Maternowski represents clients in Minnesota, across the Midwest andaround the country in legal matters related to environmental law, administrative law, business law, real estate transactions, and cost recovery and enforcement defense litigation. A highly respected attorney, he is regularly sought after by in housde counsl and other attorneys to provide assistance or serve as co-counsel.

    Mr. Maternowski received the Lawsuit of the Year Award in 2005 by Minnesota Law & Politics for representing a small business under the Minnesota Equal Access to Justice Act. He has an Avvo “Superb” rating, was listed in The Best Lawyers in America from 2010-2012 and in 2013, was named as Minnesota’s Environmental Lawyer of the Year. For his high ethical standards and long list of successful results, he holds the highest peer rating possible of AV Preeminent* from Martindale-Hubbell.

    In 1978, Mr. Maternowski graduated from Yale College with a Bachelor of Arts in history, then attended Temple University Beasley School of Law, where he earned a Juris Doctor in 1984. Currently he is a member of the Hennepin County Bar Association, the Ramsey County Bar Association and the Minnesota State Bar Association (MSBA) and is the board chair for Eco Education. For the MSBA, he served as chair, vice chair and a member of the Environmental, Natural Resource and Energy Law Section Council.

    He has appeared and presented CLEs and webinars to organizations such as Lorman Education Services, WCCO Radio and Minnesota Continuing Legal Education. His former clients include a Fortune 500 company, and he has also worked for the Minnesota Attorney General’s Office. A trusted adviser, Mr. Maternowski focuses on providing high-quality legal representation while building a strong relationship with his clients.

    * AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories — legal ability and general ethical standards.

    Practice Areas
    • 50%Environmental
    • 20%Real Estate: Business
    • 10%Environmental Litigation
    • 10%Business/Corporate
    • 10%Administrative Law
    Focus Areas

    Environmental Law


    Selected to Super Lawyers for 3 yearsbottom-image

    Super Lawyers: 2011 - 2013

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    About Joseph Maternowski

    Admitted: 1985, Minnesota

    Professional Webpage:


    • Recognized as a Super Lawyer, 2011, 2011
    • Rated “Superb” by Surveyed Clients, 2009 – 2016, 2016
    • "Honored as Best Lawyers’, Lawyer of the Year, Environmental Law, Minneapolis, 2013
    • Recognized as a Super Lawyer, 2013, 2013
    • Lawsuit of the Year, Minnesota Law & Politics, 2005, 2005
    • Listed in “The Best Lawyers in America,” 2010 – 2012, 2018
    • AV Rated, Martindale-Hubbell, 2002 to Present, 2018

    Bar/Professional Activity:

    • Joe has been active in the Minnesota State Bar Association's Environmental Natural Resources and Energy Law Section.  Joe has served as Section Chair and is active in Bar Association functions., 2000
    • Vice Chair, Environmental, Natural Resource and Energy Law Section Council, Minnesota State Bar Association, 2008 – 2009, 2009
    • Member, Hennepin County Bar Association, 1996 – Present , 2018
    • U.S. Court of Appeals First Circuit, 2018
    • Chair, Environmental, Natural Resource and Energy Law Section Council, Minnesota State Bar Association, 2009 – 2010, 2010
    • Member, Ramsey County Bar Association, 2006 – Present , 2018
    • U.S. District Court District of Minnesota, 2018
    • For over a decade Joe has served on the Planning Committee for the Environmental Institute sponsored by Minnesota CLE., 2000
    • Member, Environmental, Natural Resource and Energy Law Section Council, Minnesota State Bar Association, 1996 – Present, 2018

    Pro bono/Community Service:

    • Joe served on the Board of Directors of Eco Education, a non-profit promoting experiential learning in public and charter schools in the Twin Cities.  Joe was elected Chairman of the Board of Directors., 2006
    • Member, Board of Directors, Eco Education, 2006 – 2012, 2012
    • Board Chair, Eco Education, 2009 – 2010, 2010

    Scholarly Lectures/Writings:

    • Waterlogged, Minnesota Law & Politics by Maura Keller, December-January, 2005
    • Choosing an Environmental Consultant
    • New Laws Encourage Redevelopment of Polluted Land
    • David Beats Goliath: Court Orders State to Pay Defendants’ Attorneys Fees, December, 2000
    • California’s Proposition 65: Without a Product Warning, You May Pay the Price
    • “Current Issues in Storm Water Regulation,” Lorman Educational Services, September 1, 2010
    • “BP Oil Spill: How the Law Can Help,” WCCO Radio’s “Minnesota Law, Presented by Moss & Barnett”, June 19, 2010
    • “Minnesota Equal Access to Justice Act – Attorney Fees Recovery Available to Small Businesses,” WCCO Radio’s “Minnesota Law, Presented by Moss & Barnett”, June 20, 2009
    • “CERCLA/RCRA Update,” Minnesota CLE and the MSBA’s Environmental Natural Resources and Energy Law Section 5th Annual Minnesota Environmental Institute – April 23, 2009
    • “Cleaning Up Contaminated Property,” WCCO Radio’s “Minnesota Law, Presented by Moss & Barnett”, June 14, 2008
    • “Resource Conservation and Recovery Act (RCRA) Basics,” Minnesota CLE and the MSBA’s Environmental Resources and Energy Law Section at the 4th Annual Minnesota Environmental Institute, April 23, 2008 


    • State of Minnesota v. Rollies Sales & Service, Roland Walsh and Dale Walsh. MPCA action to recover civil penalties for enviornmental violations resulted in dismissal of all charges agaunst indiviudal defendanrts. Attorneys fees awarded to Defendants under the Minnesota Equal Access to Justice Act (MEAJA)., 1996


    • Joe has provided support to a major telecommunications company for environmental due diligence on macro and small cellular sites across the Upper Midwest and in other regions of the country.  , 2018

    Representative Clients:

    • State of Minnesota v. Rollies Sales & Service, Roland Walsh and Dale Walsh, (Douglas Cty., Minn. Dist. Ct., 1999), 1996
    • Alfred Schumann v. Sheryl Corrigan, Commissioner, Minnesota Pollution Control Agency, (Olmsted Cty., Minn. Dist. Ct.. 2004), 2005

    Educational Background:

    • B.A., American History, Yale College, New Haven, Connecticut, 1978

    Industry Groups

    • ACBM
    • Access To Property
    • Administrative Appeals
    • Administrative Penalty Orders
    • ADR - Environmental
    • Air Quality
    • Air Quality Permitting And Enforcement
    • Asbestos
    • Asbestos Containing Building Materials
    • Attorney Consultations
    • Brownfields Redevelopment
    • Brownfields Redevelopment
    • Business
    • Business Transactions
    • California Proposition 65
    • California Proposition 65 Advice And Defense
    • CERCLA
    • Civil Penalty Negotiation
    • Commercial Leasing
    • Commercial Real Estate
    • Common Counsel Representation
    • Consent Decree
    • Consultation With Business Counsel
    • Consultation With In House Counsel
    • Consultation With Real Estate Counsel
    • Contaminated Property Litigation
    • Cost Recovery
    • Defense Environmental Crimes
    • Enforcement Defense
    • Environmental Audits
    • Environmental Compliance
    • Environmental Due Diligence
    • Environmental Due Diligence
    • Environmental Issues - Business Transactions
    • Environmental Issues - Real Estate Transactions
    • Environmental Issues Arising In Mergers And Acquisitions
    • Environmental Management Programs
    • Environmental Permit Transfer
    • Environmental Permitting
    • Environmental Review
    • Environmental Site Assessment
    • EPA Representation
    • Expert Witness
    • Hazardous Waste Enforcement and Permitting
    • Insurance Coverage - Environmental
    • Land Use And Zoning
    • LBP
    • Lead Based Paint
    • Lender Liability
    • Litigation - Environmental
    • Mediation - Environmental
    • MERLA
    • National Environmental Policy Act
    • Negotiations
    • NEPA
    • Outside Counsel Representation
    • PCE Investigations
    • Petroleum Investigation And Cleanup
    • Phase I ESA
    • Phase II Investigation
    • Potentially Responsible Party Representation
    • Project Approvals
    • Property Condition Assessment
    • RCRA
    • RCRA Permitting And Enforcement
    • Real Estate Transactions
    • Representation Before Federal And State Environmental Agencies On Permitting And Enforcement Matters
    • Representation Before MPCA
    • Representation Before MPCA
    • Representation Before US EPA
    • Response To Request For Information
    • Site Investigation And Remediation
    • Soil Vapor
    • State Environmental Agency Representation
    • Stipulation Agreement
    • Stormwater - Construction
    • Stormwater - Industrial
    • Superfund Settlements
    • TCE Investigations
    • Telecommunications
    • Telecommunications - Environmental Due Diligence
    • Telecommunications - Leasing
    • Telecommunications - Siting
    • Title Matters
    • Title Reports
    • Vapor Intrusion
    • Vapor Mitigation
    • Water Quality
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    Office Location for Joseph G. Maternowski

    60 South 6th Street
    3700 RBC Plaza
    Minneapolis, MN 55402

    Phone: 612-746-5754

    Fax: 612-746-5777

    Joseph G. Maternowski:

    Last Updated: 2/27/2020

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