Water Quality Portal Contributing Organizations

Water Quality Portal Contributing Organizations

WQX (EPA)

The Environmental Protection Agency (EPA) gathers and distributes water quality monitoring data collected by states, tribes, watershed groups, other federal agencies, volunteer groups, and universities through the Water Quality Exchange framework in the EPA Warehouse.

NWIS (USGS)

The United States Geological Survey (USGS) investigates the occurrence, quantity, quality, distribution, and movement of surface waters and ground waters and disseminates the data to the public, state and local governments, public and private utilities, and other federal agencies involved with managing water resources.