Map of the 17 New York State Watersheds. Click on
the map for additional information and water quality reports.
A watershed is an area of land that drains into a body of water, such as a river, lake, reservoir, estuary, sea or ocean. The watershed includes the network of rivers, streams and lakes that convey the water, as well as the land surfaces from which water runs off. Watersheds are separated from adjacent watersheds by high points, such as mountains, hills, and ridges.
New York State is divided into 17 watersheds, or drainage basins, which are the basis for management, monitoring, and assessment activities. Click on the map to the right for information and assessment reports about New York State watersheds.
More about Watersheds:
- NYS Watersheds - Descriptions, information and published water quality reports for each of the major watersheds of New York State.
- Watershed Management - Information about the Division of Water coordinates watershed management in a five-step cycle that includes monitoring, assessment, planning & management, implementation & permitting, and compliance & enforcement.
- Mohawk River Watershed Management - Water quality management activities in Mohawk River Basin.
- New York City Watershed Program - Partnership to protect drinking water for New York City.
- Chesapeake Bay Watershed - Information about New York's connection to the Chesapeake Bay, the Chesapeake Bay TMDL, and the Division of Water's Chesapeake Bay Watershed Program.
- Water Week - Information about DEC's annual Water Week celebration.