Toxic Impairments in the Tidal Chesapeake Bay (2010-2022) ^‍‍

Percentage of Tidal Segments in Delaware, Maryland, Virginia and the District of Columbia with Partial or Full Impairments Due to Chemical Contaminants<br /> *PCBs and PFAS were not measured prior to 2020. See how these data are used in the Toxic Contaminants Policy and Prevention Outcome.