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Rockville Connect
Chesapeake Bay Issues

Stormwater from urban and suburban areas contributes a significant amount of pollutants to the Bay. Every time we drive our cars, fertilize our lawns, leave pet waste on the ground or forget to fix car leaks, we contribute to pollution in our local rivers, streams and the Bay.

  • 17 percent of phosphorus, 11 percent of nitrogen and 9 percent of sediment loads to the Bay come from stormwater.

  • Chemical contaminants from runoff can rival or exceed the amount reaching local waterway from industries, federal facilities and wastewater treatment plants.

Chesapeake Bay Program