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USGS Chesapeake Bay Activities




U.S. Geological Survey (USGS) Findings Used to Help Assess the Health of Chesapeake Bay

(Released January 2017)

The Chesapeake Bay Foundation prepares it “State of the Bay” report every two years. They use information on pollution, habitat, and fisheries to determine the overall health index for the Bay. Their 2016 report had an overall health index of 34, or a C-.

The USGS results on nitrogen and phosphorus trends at the nine major rivers entering the Bay (the River-Input Monitoring or RIM stations) were cited for as part of the pollution indicators. The USGS findings of long-term trends (1985-2015) at the RIM sites were:

For more information on the USGS RIM findings and watershed trends go to Water-Quality Loads and Trends at Nontidal Monitoring Stations in the Chesapeake Bay Watershed site.

Read the full report on the Chesapeake Bay Foundation 2016 State of the Bay site.



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