The Clean Drinking Water Coalition (CDWC), comprised of the New York Public Interest Research Group Fund, Inc. (NYPIRG), Riverkeeper, Inc., The Catskill Center for Conservation and Development, The Trust for Public Land (TPL) and the Open Space Institute (OSI) works to ensure that the unfiltered drinking water consumed by almost 10 million New York City, Westchester, Putnam, Orange and Ulster County residents remains high quality. The members of CDWC are signatories to the 1997 New York City Watershed Memorandum of Agreement. Check out the CDWC Page