We are a regional partnership working together to meet the goals of the Chesapeake Bay Watershed Agreement.

Learn More About Us

We are a regional partnership working together to meet the goals of the Chesapeake Bay Watershed Agreement.

Featured Stories

Picture of Watershed jurisdictions help lower nutrient and sediment pollution entering the Bay

Watershed jurisdictions help lower nutrient and sediment pollution entering the Bay

Bay model shows slight decline of pollution in 2021, thanks to agricultural conservation practices

Picture of The solar paradox

The solar paradox

Solar power is helping the Chesapeake Bay watershed meet its renewable energy goals—but what is it doing to our waters and forests?

Picture of Slight improvements in Bay health and new economic data added in 2021 Chesapeake Bay Report Card

Slight improvements in Bay health and new economic data added in 2021 Chesapeake Bay Report Card

The Chesapeake Bay’s overall score is up 5% from last year, receiving a C grade

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.

Learn more about the latest agreement

Learn More about the Chesapeake Bay

The Issues

Learn more about the complex problems facing the Chesapeake Bay.

The Watershed

Explore the 64,000-square miles that 18 million people call home.

Facts & Figures

Uncover interesting details about the Bay’s geography, flora, fauna and people.

Field Guide to the Chesapeake

Explore the Field Guide to learn about more than 250 species of birds, fish, insects, invertebrates, mammals, plants, reptiles and amphibians that live in the Chesapeake Bay region.

Visit the field guide

CRITTER OF THE MONTH

Picture of Luna Moth

Luna Moth

Actias luna

The luna moth is a light green, giant silk moth that lives only one week in their adult stage.