Catskill Watershed Corporation Logo
Catskill Watershed Corporation Logo

Ashokan Reservoir, photo: Bob Tullis

Catskill Watershed Corporation Headquarters, Arkville, New York

Welcome to the Watershed!

The Catskill Watershed Corporation (CWC) is a locally based, locally staffed nonprofit helping West of Hudson Watershed communities and businesses thrive while protecting the source of one of the world’s largest unfiltered water supplies.

Serving 41 towns and 8 villages across 5 counties in NYC’s West of Hudson Watershed, CWC provides grants and resources that support #WatershedLiving.

NYC Water Supply Catskill Delaware Watershed

The West of Hudson Watershed

The West of Hudson Watershed spans across five upstate counties which include Delaware, Greene, Schoharie, Sullivan, and Ulster.

The 1,597 square mile watershed includes six reservoirs: Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie.

OUR PROGRAMS

Stormwater Management

Septic Repair and Replacement

Community Wastewater

Flood Hazard Mitigation

Economic Development

Public Education

OUR IMPACT

FROM THE BLOG

Welcome to the CWC Blog!

2026 Annual Meeting

Floodplains vs. Floodways

2025 Year in Review

IN MEMORIAM: CLAYTON BROOKS

Where the Water Begins: Fall in the West of Hudson Watershed