EPA

The Environmental Protection Agency is the federal environmental regulator, and its programs generate property-relevant records at federal scale: the Superfund program's contaminated-site listings, enforcement and compliance histories for regulated facilities, and the registries tracking hazardous-waste handlers. Federal records are a distinct layer from city and state ones, with their own identifiers and their own update cycles.

For property analysis, the federal layer matters most around industrial history: a lot near a listed site, or one whose past occupants appear in federal facility registries, carries questions city records alone will not answer. Environmental screening conventionally reads all three levels — city, state, federal — because contamination ignores jurisdictional boundaries.