EPA maintains drinking water data in several databases.
It uses this information to help manage environmental programs,
and provides public access to the data through the Internet.
Other water-related databases
are maintained in other parts of EPA.
Information Strategy: This Office of Ground Water and Drinking
Water (OGWDW) Information Strategy is a first step in revising its
Information Strategic Plan (ISP) to focus on essential data, reporting
and analyses supporting decisions of the national ground water and
drinking water programs to protect public health.
Safe Drinking Water Information System - Federal version
(SDWIS/FED): SDWIS/FED is EPA's national regulatory compliance
database for the drinking water program. It includes informationon
the nation's 170,000 public water systems and violations of drinking
water regulations.
Unregulated Contaminant Monitoring Rule (UCMR): EPA uses
data generated by the UCMR to evaluate and prioritize contaminants
on the Drinking Water Contaminant Candidate List, a list of
contaminants EPA is considering for possible new drinking water
standards.
National Contaminant Occurrence Database (NCOD):
EPA is developing NCOD to track contaminants in drinking water.
Information Collection Rule (ICR) Federal Database:The
ICR database includes research data from an 18-month study of disinfection
byproducts and microbial contaminants.
Safe Drinking Water Information System - State
Version(SDWIS/State):
SDWIS/State is a data system that EPA is developing for states that
will improve the quality of drinking water information.
Watershed Information Network: WIN helps people
learn about the watershed in which they live.
Index of Watershed Indicators (IWI): IWI is
a compilation of information on the "health" of aquatic resources
including all watersheds in the lower 48 states.
Reports: Periodically, EPA analyzes and reports
on occurrence of certain contaminants in sources of drinking water
If you can't find the information you need through the sources above,
you may also consider filing a Freedom of Information Act
(FOIA) request for drinking water data.
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