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Chesapeake Bay receives a C- in 2019 Report Card
The Integration and Application Network has been producing the annual Chesapeake Bay report card, a geographically detailed and integrated assessment of Chesapeake Bay health, since 2006. It is the definitive source for ecosystem health status in the Bay and tidal tributaries. In 2019, for the first time, watershed health indicators are assessed and graded for 23 reporting regions throughout the 64,000 square-mile watershed.
This is the first year the watershed has been scored. Overall, the Chesapeake watershed scored 60%, a B-. Chesapeake Bay scored 44% in 2019. This is the lowest score and the first C- since 2011. Moderate and poor scores in 2019 were mainly due to above average temperatures almost every month of the year.
More information about indicators and grades is available at ecoreportcard.org