Agricultural Best Management Practices Can Improve Water Quality
And Conditions for Fisheries in the Chesapeake Bay Watershed
USGS Revises 2020 Nontidal Load and Trend Results
Temporal Trends in Risk Factors Associated with Endocrine Disruption in Smallmouth Bass
Understanding Factors Affecting Stream Condition
USGS and CBP Produce Report to Enhance Chesapeake Bay and Watershed Monitoring Networks
USGS Calculates Loads and Trends Through 2021 for the Nine Major Rivers Entering Chesapeake Bay
New High-Resolution, Land-Use and Change Data Improves Decision-Making in the Chesapeake Bay Watershed
A Science-Based Approach for Targeting Resources to Achieve Multiple Chesapeake Outcomes
Study Shows Importance of Streambank Erosion and Floodplain Deposition
Publications
Discover Chesapeake related science in reports and journal articles authored by USGS scientists
Chesapeake Bay Activities
The Chesapeake Bay is our Nation’s largest estuary and provides over $100 billion in annual economic value. The USGS works with Federal, State, local, and academic partners to provide research and monitoring and to communicate results to inform management for the Chesapeake and other important landscapes across the Nation.
USGS Collaborates on Maryland Healthy Watersheds Assessment

The assessment is intended to inform watershed management decision-making to sustain the health of State-identified healthy watersheds, which have been defined in Maryland as the watersheds associated with its designated high-quality, Tier II waters.
Quick Links
Learn more about USGS science activities in the Bay from our Science Strategy. Additional summaries of the USGS Chesapeake Bay Activities are available in the science topics section.