This report card provides a transparent, timely, and geographically detailed assessment of Chesapeake Bay. In 2018, the report card includes five water quality indicators and two biotic indicators. In 2018, the overall grade for Chesapeake Bay is a 46%, a C. This means the Bay is in moderate health. Despite the decrease in score from 2017, overall bay health is still significantly improving over time. Long term trends of each reporting region health and a fisheries index are also presented.