The Watershed Assessment, Tracking & Environmental Results (WATERS) is an integrated information system for the nation’s surface waters connecting Office of Water databases to...
EPA has many data sources available, these cover topics including but not limited to air, climate change, health risks, pollutants and contaminants, waste, and water. The data are downloadable and available through the Environmental Dataset Gateway (EDG).
The Facility Registry System (FRS) provides an integrated source of comprehensive (air, water, and waste) environmental information about facilities across EPA, states, tribes and...
NCOD is a repository of drinking water quality data to be made available to EPA decision makers and the public.
The Nitrogen and Phosphorus Pollution Data Access Tool provides downloadable data layers and key information on the following: the extent and magnitude of nitrogen...
Profile of toxic chemical releases in the Chesapeake Bay LAE, based on 2012 TRI National Analysis data.
Chesapeake Bay TMDL Tracking and Accounting System (BayTAS) Layers.
Measured and calculated physical and nutrient parameters (1984 – present).
Physical and Nutrient Parameters (1942-1982).