The New York City Department of Environmental Protection (DEP) is pleased to present its 2004 Annual Water Quality Report. this report was prepared in accordance with Part 5-1.72 of the New York State Water Sanitary Code (10NYCRR), and the National Primary Drinking Water Regulations, 40 CFR Part 141 Subpart O, of the United States Environmental Protection Agency (EPA), which require all drinking water suppliers to provide the public with an annual statement describing the water supply and the quality of its water