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Nutrient, Sediment, and Flow

The Chesapeake Bay Program (CBP) is working to reduce nutrients and sediment to improve conditions in the Bay and the health of streams. The USGS, working with partners, monitors nutrients and sediment through a watershed network and works to assess and explain trends. The findings are used to help the CBP address its water-quality goal.

More on trends at cbrim.er.usgs.gov
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Location of the nine U.S. Geological Survey River Input Monitoring Stations

Determining Nutrient and Sediment Loads and Trends in the Chesapeake Bay Watershed by Using An Enhanced Statistical Technique

As the largest and most productive estuary in North America, Chesapeake Bay is a vital ecological and economic resource. In recent decades, however, the bay and its tributaries have been degraded by excessive inputs of nutrients (nitrogen and phosphorus) and sediment from contributing watersheds, and in 1998, the Chesapeake Bay and its tidal tributaries were listed as “impaired” under the Clean...
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Chesapeake Bay Activities
Determining Nutrient and Sediment Loads and Trends in the Chesapeake Bay Watershed by Using An Enhanced Statistical Technique

Determining Nutrient and Sediment Loads and Trends in the Chesapeake Bay Watershed by Using An Enhanced Statistical Technique

As the largest and most productive estuary in North America, Chesapeake Bay is a vital ecological and economic resource. In recent decades, however, the bay and its tributaries have been degraded by excessive inputs of nutrients (nitrogen and phosphorus) and sediment from contributing watersheds, and in 1998, the Chesapeake Bay and its tidal tributaries were listed as “impaired” under the Clean...
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