Pollution

The Chesapeake's Air Shed: How air pollution travels to our region from well outside the watershed.

Chemical Contamination: Some of the harmful chemicals that persist in our waterways.

Dead Zones: A look at just how much of the Bay is affected by dead zones.

Sewage Treatment Plants: Locations of the more than 300 sewage treatment plants across the watershed.

Pavement and Other Hardened Surfaces in the Bay Watershed: From our Polluted Runoff Report, the extent of hard surfaces that contribute to pollution levels in our waterways.

Rivers at Risk: From our Polluted Runoff Report, three examples of local streams in the Bay region whose aquatic life is at risk because their watersheds are at least four to nine percent covered.

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