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EPA Envirofacts Data - Water Discharge Permits |
What this map layer shows:
The locations of more than 101,000 sites that discharge waste water
to United States waters.
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Background Information |
Sample Map
Water pollution can make surface water unsafe for drinking, fishing,
swimming, and other activities. As authorized by the Clean
Water Act, the National
Pollutant Discharge Elimination System (NPDES)
permit program controls water pollution by regulating sources, such
as municipal and industrial waste-water treatment facilities, that
discharge pollutants into waters of the United States. The U.S.
Environmental Protection Agency (EPA) supervises NPDES, although individual
States perform many of the permitting, administrative, and enforcement
aspects of the NPDES program. The EPA also tracks water discharge
permits through the Permit
Compliance System (PCS), which includes
information on when a permit was issued and when it expires, how much
the company is permitted to discharge, and the actual monitoring data
showing what the company has discharged. This map layer was produced
by the EPA.
The EPA Envirofacts Data - Water Discharge Permits map layer shows
locations of more than 101,000 sites in the United States, Puerto
Rico, and the U.S. Virgin Islands that discharge waste water into
United States waters as of May, 2005. Descriptive information includes
the facility name and identification number. More detailed information
on water discharge permits is available from the NPDES
Permit Program Basics page, and definitions of environmental terms can be found
in the EPA
Terms of Environment. |
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