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The New York State Department of Environmental Conservation has added a link to a translation service developed by Microsoft Inc., entitled Bing Translator, as a convenience to visitors to the DEC website who speak languages other than English.

Additional information can be found at DEC's Language Assistance Page.

NYS Watersheds

Management, Monitoring and Assessment

New York State is divided into 17 watersheds, or drainage basins, which are the basis for management, monitoring, and assessment activities. Click on a watershed on the map below, or use the links in the left column, to go to information and assessment reports about that watershed. For general information about watersheds, visit the "We All Live in a Watershed" webpage.


Map of the 17 New York State Watersheds. Click on a watershed for additional information and water quality reports.

Chemung River Basin Niagara River Basin Genesee River Basin Lake Ontario and Minor Tribs Drainage Basin Susquehanna River Basin Oswego River (Finger Lakes) Basin Black River Basin St. Lawrence River Basin Lake Champlain Drainage Basin Upper Hudson River Basin Mohawk River Basin Lower Hudson River Basin Ramapo River Basin Delaware River Basin Housatonic River Basin Atlantic Ocean/Long Island Sound Basin Allegheny River Basin