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Delaware Estuary

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The Delaware Estuary is home to the largest population of spawning horseshoe crabs in the world and host to the second largest concentration of migrating shorebirds in the western hemisphere. Its abundant natural resources have sustained human populations for thousands of years. Today millions of people live within the estuary’s watershed presenting new challenges in sustaining this incredible estuarine resource.

Partnership for the Delaware EstuaryThe Partnership for the Delaware EstuaryExit EPA Click for Disclaimer- Based in Wilmington, Delaware, the Partnership for the Delaware Estuary leads collaborative and creative efforts to protect and enhance the Delaware Estuary and its tributaries for current and future generations. They envision everyone working together to make the Delaware Estuary the most inviting, prosperous, and healthy natural resource of its kind in the nation.

EPA Mid-Atlantic Contact:
Megan Mackey (megan.megan@epa.gov)

Note that the U.S. EPA is divided into 10 Regions with EPA Headquarters in Washington, D.C. Two Regions (Region 2 and 3) share responsibility for the Delaware Estuary Program.

Delaware Estuary Program - National Estuary Program

EPA Region 2's Estuary Program (includes the Delaware Estuary)

National Estuary Program Coastal Condition Report - Delaware Estuary (PDF) (14 pp, 2.4MB, About PDF)

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