State and Local Resources Learn more about protecting our water sources as well as ways in which you can volunteer your services. US Environmental Protection Agency US Army Corp of Engineers EPA WaterSense Natural Resources Conservation Service, US Department of Agriculture New York City Department of Environmental Protection New York State Department of Environmental Conservation New York State Department of Health NYS Department of Agriculture and Markets NYS Hudson River Estuary Program NYS MS4 Toolbox NYS Soil and Water Conservation Committee Watershed Partnership Protection Council Westchester Water Works Conference Westchester County Parks Conservation Division Watershed Agricultural Council Hilltop Hanover a Westchester County Farm and Environmental Center Westchester County Agriculture and Farmland Protection Board Catskill Watershed Corporation Long Island Sound Study Bronx River Alliance