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Matt Joy practices in the areas of environmental, natural resources, water quality and litigation, focusing on water, waste and cleanup issues.  He regularly represents clients in manufacturing, heavy industry, mining, and petroleum and natural gas industries. Matt has also assisted governmental entities in establishing permitting programs under the Clean Water Act.  For almost twenty years, he has advised clients in developing permitting strategies, ranging from routine to novel and complex, and obtaining agency approval of hundreds of Clean Water Act permits, including discharge and “dredge and fill” permits. Matt has extensive experience in defending against and, where appropriate, negotiating settlements in multi-million dollar enforcement and toxic tort cases. In addition, Matt has successfully represented numerous clients throughout the country before state and federal courts and administrative bodies in permit appeals, Superfund cost recovery actions and environmental civil actions.  Matt has been a national lecturer for the Government Institute on Stormwater Discharge Regulation, and a visiting instructor for Arizona State University’s College of Engineering and Applied Sciences. 


  • J.D. from Arizona State University 

  • B.A. in Geology from Cornell University (1994)


  • Licensed to practice law in Arizona

  • Licensed to practice law in Wyoming

  • Member of the State Bar of Arizona

  • Member of the Wyoming State Bar

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