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The Office of Wastewater Management conducts the Clean
Watersheds Needs Survey (CWNS) on a periodic basis.
The CWNS, a joint effort between States and
EPA, is conducted in response to
Section 205(a) and 516 of the Clean Water Act.
The CWNS has information on
publicly-owned wastewater collection and
treatment facilities, facilities for control of sanitary
sewer overflows (SSOs), combined sewer overflows
(CSOs), stormwater control activities, nonpoint sources,
and programs designed to protect the nation's estuaries.
Information obtained from the survey is maintained in
the CWNS database. The collected data are used to
produce a Report to Congess which provides an estimate
of clean water needs for the United States.
The CWNS 2000 Report to Congress was completed on
August 20, 2003 which provides all pertinent data from the 2000 survey. If
you need assistance in obtaining access to the charts, tables, and graphics
in the document, contact our staff at 202-564-0673. Individuals using the
Section 508 of the Americans Disabilities Act compliant version who may require
additional assistance, dial the above number.
The 2000 survey information is available in a series
of reports that can be viewed on-line, downloaded to
your computer, or printed.
reports allow the user to select facility-specific information by state,
county, and watershed. A detailed listing of data for an individual facility
can be displayed or saved to your computer using the
Fact Sheet. The facility fact sheet will also be available through
Enviromapper for Water (expected to be
available on May 2004). EPA also provides
reports about the 16,255 wastewater treatment facilities in operation. The
Inventory provides data on all facilities within a given State. The
Flow report gives data by State, on population served and flow for
publicly owned wastewater treatment facilities currently in operation. The
allows you to download a database that contains all the unit process data
associated with any facility in the database. For comparison, the three
from the 1996 survey are also available.