Protecting & Restoring Long Island's Peconic Bays

Watershed Boundaries

Peconic Estuary Partnership's watershed boundary and other estuary program boundaries.

Peconic Estuary Partnership Watershed Boundary

The Peconic Estuary Watershed – the area of land that drains into the Peconic Estuary and the waterbodies included in the Peconic Estuary. Note: The Peconic Estuary watershed boundary line was updated in 2020.

National Estuary Program Map

There are 28 National Estuary Programs- Peconic Estuary Partnership is one of them!

Long Island Sound Study and Peconic Estuary Partnership Watershed Boundaries

The Long Island Sound Study (LISS) is another National Estuary Program working to protect another Long Island waterbody. The Long Island Sound Study watershed includes all waters flowing into the Long Island Sound. The LISS watershed boarders Peconic Estuary Partnership’s watershed on the North Fork of Long Island.

Peconic Estuary Partnership, Long Island Sound Study and South Shore Estuary Reserve Watershed Boundaries

The Long Island Sound Study (LISS), the South Shore Estuary Reserve (SSER), and the Peconic Estuary Partnership protect Long Island estuaries and their surrounding watersheds.

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