Our Watershed

The United States Geological Survey (USGS) defines a watershed as an area of land that drains all the streams and rainfall common to a common outlet.  Watersheds are also known as drainage basins or catchments.

The Chautauqua-Conewango Consortium, a Waterkeeper Alliance Affiliate, serves a 900-square mile drainage basin that includes all of the waters that form the Conewango Creek – about 780 total miles of streams.  The Conewango Creek Watershed includes several subwatersheds: the Chautauqua Lake, Cassadaga Creek, and the upper, middle, and lower Conewango Creek. The main water bodies that are included in the Conewango Creek Watershed are Chautauqua Lake, Cassadaga Lakes, Bear Lake, and the many miles of streams that connect these waters to the Conewango Creek. The watershed is located on the northern Allegheny Plateau and is comprised of forested hillsides, agricultural areas, small cities, and rural, residential communities. It is part of the larger Allegheny and Ohio River watersheds. To read more about the Allegheny River Watershed and the 59 miles of the tributary Conewango-Creek Watershed, go to: https://dec.ny.gov/nature/waterbodies/watersheds.

The map below was created by Twan Leenders, Director of Conservation, Everwild Land Trust, based on NYSDEC data sets.

Chautauqua Lake and the Chadakoin River


Photos of the Conewango Creek Watershed by Jeanne Wiebenga