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William J. Moltz

Of Counsel
Fax +1.512.482.6859
William Moltz is of counsel in the firm’s Austin office. He concentrates his practice on general regulatory counseling relating to construction, operation, and compliance status of industrial, manufacturing, and commercial facilities, as well as the licensing of regulated activities. Mr. Moltz has represented business clients before the U. S. Environmental Protection Agency, Texas Commission on Environmental Quality, Public Utility Commission of Texas, National Oceanic and Atmospheric Administration, U. S. Fish and Wildlife Service, Texas Department of Transportation, Texas Health and Human Services Commission, Texas Racing Commission, and many others. He also advises clients with respect to the regulatory aspects of mergers, acquisitions, and other transactions.

Professional Background

Prior to joining the firm, Mr. Moltz was a partner at an Austin law firm.


  • "Best Lawyer” in environmental law and environmental litigation by U.S. News and World Reports 2011-2017
  • “AV Preeminent®” peer review rating from Martindale-Hubbell™

Professional/Civic Activities

  • American Bar Association
  • Austin Bar Association

Speaking Engagements

  • Texas Chemical Council, Environmental Law & Regulations Seminar, Austin, Texas. Topic: Clean Air Act Reauthorization and TCEQ Air Toxics Program
  • Firm Workshop on Developments in Environmental Regulation and Legislative Matters. Austin, Texas. Topic: Developments in Air Quality Regulations
  • Oil and Gas Industry Environmental Regulation Conference. Houston, Texas. Topic: Air Quality Regulation

Additional Information

  • Board Certified, Administrative Law - Texas Board of Legal Specialization


  • Represented a large petrochemical complex on air quality permitting for new and modified facilities.
  • Represented a minerals processing facility on air quality permitting and compliance.
  •  Represented a steel “minimill” with respect to permitting of electric arc furnaces and associated facilities.
  • Represented a large agricultural company with respect to permitting of CAFO, beef processing facilities, pork production facilities, corn processing facilities and other such agricultural operations.
  • Assisted in the representation of cement manufacturing facility in air quality permitting of recycling for combustion in kilns.
  • Represented nonferrous metals smelting company with respect to air quality permitting.
  • Represented large research and manufacturing company with respect to state and federal air quality permits and authorization under Endangered Species Act.
  • Participated in permit audits for oil and gas production facilities, refineries, petrochemical complexes, agricultural operations, minerals processing facilities, electric generation facilities and waste management facilities.


  • Represented a petroleum refinery with respect to federal Clean Air Act information production and enforcement negotiations with EPA pursuant to enforcement initiative.
  • Represented an agricultural processing facilities with respect to state enforcement allegations relating to air quality permits.
  • Represented a steel production facility with respect to allegations of permit violations at minimills.
  • Represented a municipal solid waste management company with respect to alleged permit violations, vehicle environmental issues, and other such enforcement.
  • Conducted internal investigations in response to allegations of potential criminal activities.
  • Represented oil and gas production operators with respect to audit and self-disclosure compliance.
  • Represented a manufacturing facility with respect to enforcement resulting from air quality permit expiration.


  • Represented a lime manufacturing facility with respect to litigation involving groundwater withdrawal authorizations.
  • Represented PRPs in litigation brought by EPA and DOJ relating to Superfund site remediation and cost recovery.
  • Represented PRP with respect to cost recovery claims between PRPs.
  • Participated in the challenge of rules adopted by a state agency.
  • Participated in defense of rules adopted by a state agency.
  • Judicial challenge of determination made by a state agency relating to compliance at former smelter.


  • Assisted in the preparation of environmental aspects of purchase/sale agreements relating to the acquisition of multiple refineries.
  • Assisted in due diligence, audits, data review and other environmental aspects of the evaluation of multiple petroleum processing facilities as part of pre-purchase review.
  • Reviewed and evaluated documents relating to prior purchase of vessels in light of legacy liabilities associated with transactions.
  • Evaluated environmental compliance and groundwater authorizations prior to purchase of a very large agricultural operation.
  • Evaluated groundwater authorizations as part of a contemplated real estate purchase.
  • Conducted pre-purchase and post-purchase environmental audit of oil and gas production properties.

Regulatory Counseling

  • Monitored regulatory developments and advise electric generation company on upcoming air quality regulation relating to generating facilities.
  • Monitored regulatory developments and advise a large refiner of upcoming regulatory developments and enforcement initiatives.
  • Monitored regulatory developments and advise an energy trading company of energy activities relating to energy trading.
  • Monitored regulatory developments and advise client with respect to regulatory activities by Edwards Aquifer Authority.
  • Responded to multiple and various environmental regulatory issues and questions relating to large manufacturing operation.
  • Responded to periodic environmental issues associated with operation of large municipal solid waste landfill.