Chesapeake Bay

Our History

Our regional partnership guides the restoration and protection of the nation’s largest estuary.

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Restoring a National Treasure

Our partnership is governed by the Chesapeake Bay Watershed Agreement, which established 10 goals and 31 outcomes that guide the restoration of the Bay, its tributaries and the lands that surround them.

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Learn More About the Chesapeake Bay

The Issues

An array of complex problems threaten the health of the Bay and its wildlife.

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A farm field with lighting striking in the background, just before a rain storm.

What is a Watershed?

Over 100,000 streams, creeks and rivers drain to the Bay, making up a 64,000 square mile watershed.

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A stream with trees and shrubs on the sides.

Bay Facts

The Bay is full of interesting facts and trivia related to its history, wildlife, geography and more.

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A Chesapeake Bay blue crab sits on the wooden base of a boat.

Field Guide to the Chesapeake

Explore the Field Guide to learn about more than 300 species of birds, fish, insects, invertebrates, mammals, plants, reptiles and amphibians that live in the Chesapeake Bay region.

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Bee fly
Bombylius spp.

Critter of the month

The bee fly is a bee-mimic that lays its eggs in bee nests.

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