FacultyFaculty/Author Profile
Hilary Meltzer

Hilary Meltzer

New York City Law Department
Deputy Chief, Environmental Law Division
New York, NY, USA

Hilary Meltzer has been Deputy Chief of the Environmental Law Division of the New York City Law Department since 2010, and has been a member of that Division since 1992.  She practices environmental and municipal law, focusing primarily on issues relating to New York City’s drinking water supply and stormwater management systems. 

Since 1997, she has participated in the negotiations of each of the Filtration Avoidance Determinations for the City’s Catskill/ Delaware water supply system – which supplies approximately 1.1 billion gallons a day of high quality, affordable drinking water to over nine million people.  She also remains involved in implementing the 1997 New York City Watershed Memorandum of Agreement, a landmark agreement among the City, New York State, the U.S. EPA, the communities in the watershed, and several environmental advocacy organizations to protect water quality as well as the economic vitality of the upstate communities. 

Her work includes counseling and litigation – both affirmative lawsuits to protect water quality and compliance work and defending against challenges to the City’s operation of its water supply system.  She participated in the negotiation of the Citywide MS4 permit that took effect in 2015, and is currently working with over a dozen City agencies to develop a workable approach to compliance.

Hilary is the chair of the Legal Affairs Committee of the National Association of Clean Water Agencies.  She received a J.D. from Yale Law School and a bachelor’s degree with distinction in mathematics from Swarthmore College.


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