Mackenzie M. Moyer

Area of Emphasis

Mackenzie Moyer is an associate in the Environmental Group of Babst Calland. She assists clients with matters encompassing a broad range of environmental issues, including those related to state and federal permitting and regulatory compliance.

Background

Ms. Moyer graduated from the University of Pittsburgh in 2017, earning a B.A. in Sociology and Economics and a minor in Italian Culture. While in undergraduate studies, she worked as a legislative intern for Pittsburgh City Council.

In 2021, Ms. Moyer graduated magna cum laude from Penn State Law with a concentration in Energy and Environmental Law and was admitted to the Woolsack Society. She received two CALI Excellence for the Future Awards in Natural Resources Law and Environmental Mediation. Ms. Moyer also served as the Comments Editor for the Penn State Law Review and as the Secretary for the Environmental Law Society.

While at Penn State Law, Ms. Moyer worked as an intern for the Pennsylvania Department of Environmental Protection and as a Research Assistant, focusing on Administrative, Energy, and Environmental Law. Additionally, she was a legal extern for Magistrate Judge William I. Arbuckle in the Middle District of Pennsylvania.

Memberships and Affiliations

Ms. Moyer is licensed to practice in Pennsylvania and is admitted to practice before the United States District Court for the Western District of Pennsylvania. She is a member of the Allegheny County and Pennsylvania Bar associations, and the Women’s Energy Network.

Publications/Presentations

• Co-Author, “Draft Programmatic Environmental Assessment for Drone Package Deliveries: Implications and Uncertainty,” Babst Calland Firm Alert, January 16, 2026.
• Co-Author, “Expedited Reviews of Permit Applications Under SPEED Program,” FNREL’s Water Law Newsletter, Vol. 58, No. 3 (2025).
• Co-Author, “DEP Seeking Comments on Proposed Conditional State Water Quality Certification Under Draft PASPGP-7,” FNREL’s Water Law Newsletter, Vol. 58, No. 3 (2025).
• Co-Author, “EPA Proposes to Extend Certain Compliance Deadlines for Steam-Electric Power Generating Effluent Limitations Guidelines,” Babst Calland Environmental Alert, October 2, 2025.
• Co-Author, “WVDEP Proposes Clean Water Act Section 401 Certification for New Corps of Engineers Expedited Permitting Mechanisms for Energy-Related Projects,” Babst Calland Environmental Alert, September 2, 2025.
• Co-Author, “EPA Extends CCRMU Compliance Deadlines and Clarifies Free Liquids Guidance,” Babst Calland Environmental Alert, July 25, 2025.
• Presenter, “Overview of NEPA and PFAS, Two Federal Environmental Issues Impacting the Oil and Gas Industry,” OOGA Annual Meeting, March 5, 2025.
• Co-Author, “DEP Announces Availability of Draft Technical Guidance for Maintaining Freeboard and Dewatering of Well Development Impoundments for Unconventional Oil and Gas Operations,” FNREL’s Water Law Newsletter, Vol. 58, No. 1 (2025).
• Co-Author, “Trump Administration Day One Executive Orders: A Transformation of American Energy and Environmental Policies,” The PIOGA Press, February 2025.
• Co-Author, “Trump’s ‘Day One’ Executive Orders Transform Industry Policies,” GO-WV News, February 1, 2025.
• Co-Author, “Trump Administration Day One Executive Orders: A Transformation of American Energy and Environmental Policies,” Babst Calland Firm Alert, January 23, 2025.
• Co-Author, “Trump Administration Day One Executive Orders: Energy Policy,” Babst Calland Firm Alert, January 23, 2025.
• Co-Author, “Final Erosion and Sediment Control General Permit for Earth Disturbance Associated with Oil and Gas Activities Published (ESCGP-4),” FNREL’s Water Law Newsletter, Vol. 57, No. 3 (2024).
• Co-Author, “Streamlining Permits for Economic Expansion and Economic Development (SPEED) Program Announced,” FNREL’s Water Law Newsletter, Vol. 57, No. 3 (2024).
• Co-Author, “Draft NPDES General Permit for Discharges of Stormwater Associated with Construction Activities (PAG-02),” FNREL’s  Water Law Newsletter, Vol. 57, No. 2 (2024).
• Co-Author, “PADEP to Require PFAS Sampling in NPDES Permit Applications,” FNREL’s Water Law Newsletter, Vol. 57, No. 2 (2024).
• Co-Author, “PADEP Water Resources Advisory Committee Updates,” FNREL’s Water Law Newsletter, Vol. 57, No. (2024).
• Co-Author, “U.S. Environmental Protection Agency Finalizes National Primary Drinking Water Regulations for Certain PFAS Chemicals,” The PIOGA Press, May 2024.
• Co-Author, “EPA Finalizes Rule Expanding Federal CCR Program,” Babst Calland Environmental Alert, April 29, 2024.
• Co-Author, “U.S. Environmental Protection Agency Finalizes National Primary Drinking Water Regulations for Certain PFAS Chemicals,” Babst Calland Environmental Alert, April 15, 2024.
• Panelist, “PFAS Forever Chemicals and Brownfields – What you need to know,” PA Brownfields Conference, March 25-28, 2024.
• Co-Author, “PADEP Releases Final Guidance Regarding Trenchless Technology,” FNREL’s Water Law Newsletter, Vol. 57, No. 1 (2024).
• Co-Author, “Draft Assessment Book and Integrated Water Quality Report,” FNREL’s Water Law Newsletter, Vol. 57, No. 1 (2024).
• Co-Author, “Proposed Changes to Pennsylvania’s General Stormwater Permit for Construction Activity,” FNREL’s Water Law Newsletter, Vol. 57, No. 1 (2024).
• Co-Author, “Chapter 91 Spill Notification Requirements for Unauthorized Discharges,” FNREL’s Water Law Newsletter, Vol. 56, No. 3 (2023).
• Co-Author, “Water Resources Advisory Committee Discusses Alternatives Analysis Guidelines, Water Quality Criteria for Copper, and Draft 303(d) Report,” FNREL’s Water Law Newsletter, Vol. 56, No. 3 (2023).
• Co-Author, “PADEP Updates Post-Construction Stormwater Management Manual,” FNREL’s Water Law Newsletter, Vol. 56, No. 2 (2023).
• Co-Author, “Governor Shapiro and the Modernization of Commonwealth Permitting,” FNREL’s Water Law Newsletter, Vol. 56, No. 2 (2023).
• Facilitator, “Objection! An Interactive Educational Experience on Diversity and Bias Issues in the Legal Profession,” Pittsburgh Legal Diversity & Inclusion Coalition (PLDIC) and Pennsylvania Legal Aid Network (PLAN), August 23, 2023.
• Co-Author, “Federal CCR Regulatory Update: EPA Adds CCR To National Enforcement and Compliance Initiatives and Proposes to Deny Alabama’s CCR Permit Program,” Babst Calland Environmental Alert, August 18, 2023.
• Co-Author, “EPA Adds Nine PFAS Chemicals to the Toxics Release Inventory Reporting List,” Babst Calland Environmental Alert, August 1, 2023.
• Co-Author, “Federal CCR Regulatory Update: EPA Adds CCR To National Enforcement and Compliance Initiatives and Proposes to Deny Alabama’s CCR Permit Program,” Babst Calland Environmental Alert, August 18, 2023.
• Co-Author, “EPA Adds Nine PFAS Chemicals to the Toxics Release Inventory Reporting List,” Babst Calland Environmental Alert, August 1, 2023.
• Co-Author, “West Virginia Passes the PFAS Protection Act,” Babst Calland Environmental Alert, May 1, 2023.
• Co-Author, “EPA Proposes National Primary Drinking Water Regulations for Six PFAS Chemicals,” The Legal Intelligencer, April 6, 2023.
• Co-Author, “PADEP Rescinds 2022 Guidance on Evaluating Aquatic Resource Compensatory Mitigation,” FNREL’s Water Law Newsletter, Vol. 56, No. 1 (2023).
• Co-Author, “PADEP Releases the Finalized 2022 Pennsylvania State Water Plan,” FNREL’s Water Law Newsletter, Vol. 56, No. 1 (2023).
• Panelist, “PFAS at Brownfield Sites Session (3C),” BCONE’s Northeast Sustainable Communities Workshop, September 13-14, 2022.
• Co-Author, “U.S. Environmental Protection Agency Proposes Designating Certain PFAS as Hazardous Substances Under Superfund,” Babst Calland Environmental Alert, September 1, 2022.
• Co-Author, “PADEP Issues Draft Guidance for Use of Trenchless Technology,” FNREL’s Water Law Newsletter, Vol. 55, No. 2 (2022).
• Co-Author, “U.S. Environmental Protection Agency Revises Regional Screening Levels and Regional Removal Management Levels and Implements Other Actions and Goals to Address PFAS,” Babst Calland Environmental Alert, June 6, 2022.
• Co-Author, “EQB Seeks Public Comment on Drinking Water Rules for 2 ‘Forever Chemicals’,” The Legal Intelligencer, April 7, 2022.
• Co-Author, “EPA Proposes Rulemaking to Require Facility Response Plans for Clean Water Act Hazardous Substances,” Babst Calland Environmental Alert, April 6, 2022.
• Co-Author, “Pennsylvania’s Environmental Quality Board Proposes Drinking Water Regulations for Certain PFAS and Opens Public Comment Period,” Babst Calland Environmental Alert, March 4, 2022.
• Co-Author, “PADEP Issues Proposed Guidance on Notification Requirements for Spills Under the Clean Streams Law,” FNREL’s Water Law Newsletter, Vol. 55, No. 1 (2022).
• Co-Author, “Pennsylvania Issues New Guidance on Evaluating Aquatic Resource Compensatory Mitigation,”  FNREL’s Water Law Newsletter, Vol. 55, No. 1 (2022).
• Co-Author, “2021 PFAS Strategic Roadmap Outlines EPA’s Whole-of-Agency Approach to Addressing ‘Forever Chemicals’ through 2024 and Beyond,” Babst Calland Environmental Alert, October 28, 2021.
• Mackenzie Moyer, Comment, “Forever Chemicals”: PFAS Contamination and Public Health, 125 Penn St. L. Rev. 565 (2021).