Water Resources in Rockland - Planning in a Changing World

Our Water

Lake DeForest, United Water of New York reservoir for Rockland County, October 2007
Lake DeForest, United Water New York reservoir for Rockland County, September 2008. Photo by Laurie Seeman

Rockland County's water supply faces both quantity and quality issues. Despite the county's moderate population - only about 300,000 people - and fairly high annual rain and snowfall, there have been periodic droughts; reservoirs are relatively small compared to annual demand, and groundwater contamination is a problem from time to time in some areas. This web site addresses questions relevant to pressures on Rockland's water, and provides access to supporting information gathered from a variety of sources by a team at Columbia University's Lamont-Doherty Earth Observatory.

How much water do you use?

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