October 24, 2020

Volume X, Number 298

Zachary B. Pilchen

Zach is a former Attorney-Advisor in the Environmental Protection Agency (EPA) Office of General Counsel.

Whether advising policymakers in the executive branch, legislative branch, or private sector, Zach takes a goals-oriented approach to his client’s needs—often drawing connections across environmental programs.

In EPA’s Office of General Counsel, Zach advised EPA policymakers on the development of air pollution and climate change regulations under the Clean Air Act (CAA). A former member of EPA’s Clean Power Plan legal team, Zach is well-versed in regulatory and litigation issues related to administrative law and power plant efficiency. His work at EPA included CAA rulemakings to close loopholes that allowed stationary sources to exceed emission limitation during periods of startup, shutdown, or malfunction; rulemakings implementing the CAA’s “Good Neighbor” provision with respect to interstate air pollution; and other rulemakings effectuating the National Ambient Air Quality Standards (NAAQS). Additionally, he drafted EPA Administrator orders responding to citizen petitions that challenged the legitimacy of state-issued Title V operating permits, and he has experience determining when emissions from multiple facilities must be aggregated as a single source for permitting purposes. Zach also served as lead counsel for EPA on matters arising under the Fifth Amendment’s Takings Clause.

In addition to his EPA experience, Zach spent two years detailed to the U.S. Senate Committee on Environment & Public Works—first on a fellowship through the Brookings Institution, and later as an executive branch detailee. In the Senate, he advised Democratic policymakers on an array of environmental matters. He was deeply involved in drafting and negotiating an important bipartisan amendment to the Clean Water Act (CWA) that reformed how ballast water and similar vessel discharges are regulated for cruise ships, cargo ships, and other large commercial vessels. Zach also assisted with drafting a bipartisan hydrofluorocarbon phase-down bill, among other high-profile matters.

Zach has received numerous awards for his professional work, including EPA's Gold Medal for Exceptional Service, and the U.S. Department of Justice (DOJ) Assistant Attorney General's Award for Excellence.

Throughout his legal education, Zach demonstrated a passion for federal public service, taking internships and clerkships in the EPA Office of Compliance; the EPA Office of Civil Enforcement; the EPA Office of Administrative Law Judges; the U.S. Attorney’s Office in Oregon; and the power plant litigation group of DOJ’s Environmental & Natural Resource Division in Washington, DC.

Zach's master’s thesis, “Bridge Over Troubled Water,” evaluated ways that EPA, States, and citizens might use the CWA to address climate change and ocean acidification.  

Zach is admitted only in Virginia. Practicing pursuant to D.C. App. Rule 49(c)(8) under the direct supervision of Principals of the Firm.

Articles in the National Law Review database by Zachary B. Pilchen

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