 In other news, the Chesapeake Bay is getting healthier. WTOP's Kate Ryan has the grade from a new report card. For more than 20 years, the best grade the health of the Chesapeake Bay got was a C. That's according to Bill Dennison with the University of Maryland's Center for Environmental Science. He said the new grade of a C-plus is a recognition of progress in some areas of the bay and its tributaries, for example, at Susquehanna Flats in northeastern Maryland.