Maps

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.

Geography

• 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

Pollution

• 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

Land Use

• Land Cover
• Natural Resources & Agricultural Land
• Population Growth

Aquatic Life

• Bay Grasses
• Smallmouth Bass in the Lower Susquehanna (Interactive Story Map)

Economic Importance

• Clean Water Works (Interactive)

Looking for more information about the Bay?
Check out our Resources for Teachers and Students.