The Chesapeake Bay watershed covers 64,000 square miles in six states and the District of Columbia. To understand how it "works," protect it, and restore its health, we must have a sense of the whole system, and how its pieces fit together geographically.
- The Chesapeake Bay Watershed
- Satellite Image of the Chesapeake Bay
- The Susquehanna River and the Bay
- Major River Watersheds (also classified as major sub-watersheds)
- Sub-Watersheds (Tributary Watersheds)
- Counties in the Chesapeake Bay Watershed
- The Chesapeake's Airshed
- Air Pollution
- The Unseen Traveler: How Airborne Nitrogen Pollution Impacts the Waters of the Chesapeake Bay (Interactive Story Map)
- Chemical Contamination
- Dead Zones
- Sewage Treatment Plants
- Pavement & Other Hardened Surfaces in the Bay Watershed
- Bay Grasses
- Smallmouth Bass in the Lower Susquehanna (Interactive Story Map)
- Clean Water Works (Interactive)
Looking for more information about the Bay?
Check out our Resources for Teachers and Students.