NYC Department of Records - Serves as the memory bank of the City of New York and is responsible for organization, retrieval, and access of documents produced by city governments. Includes archives, photo galleries, vital records, and contacts. - http://nyc.gov/html/records/
NYC Department of Environmental Protection - The Official Web Site. Discover the marvels of New York City's water and sewer infrastructure and learn how the City faces the daunting tasks of controlling air and noise pollution. - http://www.ci.nyc.ny.us/dep