Overburdened Community
A term officially adopted by the EPA and state governments to describe minority, low-income, tribal, or indigenous populations that experience a disproportionate amount of environmental harm and health risk compared to the general population.
Related terms
Environmental Justice The principle that all people, regardless of race or income, deserve equal protection from environmental hazards and equal access to a healthy environment. EJScreen The EPA's Environmental Justice Screening and Mapping Tool. It overlays environmental burdens (Superfund proximity, traffic, toxic discharges) with demographic vulnerabilities to identify disadvantaged communities. Cumulative Burden Threshold A scoring cutoff (for example, the top 5% nationally for both poverty and pollution exposure) above which a neighborhood becomes officially designated as a disadvantaged or overburdened community, qualifying it for federal cleanup funds and protections. Disadvantaged Community A community designated by federal or state government as bearing a heavy combination of environmental, economic, and health burdens, qualifying it for targeted investment under programs like Justice40. Disproportionate Impact A pattern in which one group (often defined by race, income, or geography) suffers significantly more harm from a hazard than the general population, even when overall exposure rates appear similar.