Area organizations dedicated to open space preservation and the enjoyment of the natural beauty of the Hudson and Harlem Valleys:
Croton Watershed Clean Water Coalition
Harlem Valley Rail Trail Association
Lower Hudson Partnership for Regional Invasive Species Management – PRISM
New York – New Jersey Trail Conference
New York State Wildlife Management Areas
National organizations concerned with environmental and open space issues:
The History of the Clean Water Act
Local Government Sites for the Townships in the Great Swamp Watershed:
The Town of Patterson also includes an extensive Stormwater Management community outreach initiative for homeowners and residents, and includes information on Low Impact Development (LID)