2016 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed assessment of Chesapeake Bay. In 2016, the report card includes five water quality indicators and two biotic indicators. In 2016, the overall grade for Chesapeake Bay is a 54%, a C. This means the Bay is in moderate health. Long term trends of each reporting region health and a fisheries index are also presented.


2015 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed assessment of Chesapeake Bay. In 2015, the report card includes five water quality indicators and two biotic indicators. In 2015, the overall grade for Chesapeake Bay is a 53%, a C. This means the Bay is in moderate health. Long term trends of each reporting region health and a fisheries index are also presented.


2014 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed assessment of Chesapeake Bay. In 2014, the report card includes five water quality indicators and two biotic indicators. In 2014, the overall grade for Chesapeake Bay is a 50%, a C. This means the Bay is in moderate health. A fisheries index and climate change resilience index as well as trajectories of reporting region health are also presented.


2013 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed assessment of Chesapeake Bay. In 2013, the report card includes five water quality indicators and two biotic indicators. In 2013, the overall grade for Chesapeake Bay is a 45%, a C. This means the Bay is in moderate health. Fisheries indicators as well as trajectories of reporting region health are also presented.


2012 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed assessment of Chesapeake Bay. In 2012, the methods for the report card have changed to include five water quality indicators and two biotic indicators. In 2012, the overall grade for ChesapeakeBay is a 47%, a C. This means the Bay is in moderate health. Fisheries indicators as well as trajectories of reporting region health are also presented.


2011 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed assessment of Chesapeake Bay. The overall health of Chesapeake Bay, determined using water quality and biotic indicators, declined slightly in 2011. The overall grade of D+ was a decrease for the second year in a row, down from a C- in 2010. Only two reporting regions, the Patapsco and Back Rivers, and the Lower Western Shore (MD), had improved grades in 2011. The highest-ranked region for the second year in a row was the Upper Bay, with a grade of C.


2010 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed assessment of 2010 Chesapeake Bay health. The overall health of Chesapeake Bay, assessed using water quality and biotic indicators, declined slightly in 2010. The overall grade decreased from a C in 2009 to C- in 2010. Only two reporting regions (James River and York River) had improved grades in 2010, three were unchanged, and nine declined. The highest-ranked region in previous years, the Upper Western Shore, decreased to fourth highest. The Upper Bay (C+) became the top-ranked region in 2010.


2009 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed assessment of 2009 Chesapeake Bay habitat health. The overall health of Chesapeake Bay, assessed using water quality and biotic indicators, was the best it has been since 2002. The overall grade improved from C- in 2008 to C in 2009. Eight reporting regions had improved grades in 2009, four were unchanged, and two had slightly worse grades. The highest ranked region, for the third year in a row, was the Upper WesternShore (B-), while the lowest ranked region this year was the Patapsco and Back Rivers (F).


2008 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed annual assessment of 2008 Chesapeake Bay habitat health. This is the third year that the report card has been released. This report card rates 15 reporting regions of the Bay using six indicators that are combined into a single overarching index of habitat health. The overall health of Chesapeake Bay was poor in 2008, obtaining a grade of C-. Health of the 15 individual reporting regions varied, ranging from B- (moderate-good) to F (very poor).


2007 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed annual assessment of 2007 Chesapeake Bay habitat health. This is the second year that the report card has been released. This report card rates 15 reporting regions of the Bay using six indicators that are combined into a single overarching index of habitat health. Habitat health is defined as progress of the six indicators towards established scientifically derived ecological thresholds or goals. A low score therefore means that the region rarely meets the ecological threshold levels. A high score means that the region often meets the threshold levels.


2006 Chesapeake Bay Report Card

This report card provides a transparent, timely, and geographically detailed annual assessment of 2006 Chesapeake Bay habitat health. A report card will be released each year providing an assessment of the previous year’s habitat health. 2006 is the first year that the report card has been released. This report card rates 15 reporting regions of the Bay using six indicators that are combined into a single overarching index of habitat health. Habitat health is defined as progress of the six indicators towards established scientifically derived ecological thresholds or goals. A low score therefore means that the region rarely meets the ecological threshold levels. A high score means that the region often meets the threshold levels.