Drinking Water Supply and Quality Reports are prepared annually by the New York City Department of Environmental Protection in accordance with the New York State Sanitary Code and the National Primary Drinking Water Regulations of the United States Environmental Protection Agency, which require all drinking water suppliers to provide the public with an annual statement describing the sources and quality of its water supply.
On September 22, 1995, Mayor Giuliani signed Local Law 74 authorizing the Department of Environmental Protection to conduct a 21- month pilot program to study the potential effects of permitting the use of FWDs in combined sewer areas.
The New York City Filtration Avoidance Determination concerning the surface water treatment for New York City's Catskill and Delaware water supply system.