5 datasets found
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Federal
EPA Office of Water (OW): 303(d) Listed Impaired Waters NHDPlus Indexed Dataset 22 recent views
U.S. Environmental Protection Agency —
The 303(d) Listed Impaired Waters program system provides impaired water data and impaired water features reflecting river segments, lakes, and estuaries designated... -
Federal
EPA Office of Water (OW): 303(d) Listed Impaired Waters by Causes of Impairment and Probable Sources
U.S. Environmental Protection Agency —
Under Section 303(d) of the CWA, states, territories, and authorized tribes (referred to here as states) are required to develop lists of impaired waters. These are... -
Federal
Risk-based Decision Support Tool (DST) for TMDL analysis and Watershed Health assessment demonstration dataset (Upper Mississippi River Basin, Ohio River Basin, Maumee River Basin)
U.S. Environmental Protection Agency —
The data set is composed of inputs and outputs of the DST demonstration and application to risk-based TMDLs and water quality risk assessment in Midwest river basins... -
Federal
EPA Office of Water (OW): 2002 Impaired Waters Baseline NHDPlus Indexed Dataset
U.S. Environmental Protection Agency —
This dataset consists of geospatial and attribute data identifying the spatial extent of state-reported impaired waters (EPA's Integrated Reporting categories 4a, 4b,... -
Federal
EPA Office of Water (OW): Impaired Waters with TMDLs by Causes of Impairment and Probable Sources and TMDL Pollutant
U.S. Environmental Protection Agency —
Under Section 303(d) of the Clean Water Act (CWA), states, territories, and authorized tribes, collectively referred to in the Act and here as "states," are required...
5 datasets found
