MORETi
              STORETis a U.S. Environmental
                Protection Agency (EPA)
                  database of ambient environ-
                  mental data relating to water
                quality. The original STORET
               was developed in the 1960s, and
today the system continues to serve as EPA's
principal repository for marine, freshwater, and
biological monitoring data. STORETis currently
used by a variety of groups, including federal
agencies, states, tribes, local governments,
academic groups, watershed and volunteer
monitoring organizations, and the public.
 What is the  5TORET Data
 Warehouse?
 The STORET Data Warehouse, available on the
 Web at www.epa.gov/5TORET, is an interactive Web-
 based tool for searching and downloading STORET
 water quality monitoring data. It serves a number of
 functions for different users:
 • For  data providers, it allows a way to retrieve data
   they enter.
 • For  states and other monitoring organizations, it
   provides a convenient way to share water quality
   information with interested parties over the Web.
 • For  the public, it provides a tool to get water
   quality information for specific locations and
   measurements.
 The STORET Data Warehouse enables users to
 retrieve large volumes of data quickly or pinpoint
 specific locations and measurements of interest.
Results data can be retrieved based on geographic
location, Projects, Stations, or Characteristics (things
that are measured and analyzed). The STORET
Data Warehouse can be used to search and download
chemical, physical, biological, and habitat data and
associated metadata. New features, such as the ability
to map data on the Web with EPA tools such as
EnviroMapper for Water and Window to My
Environment, are planned  for future  enhancements
to the Warehouse.

Why should I use the 5TORET Data
Warehouse?
The Warehouse may be used to:
• Gather data from other organizations in your area
  or from around the country.
• Analyze data in a variety of ways, such as looking
  for trends in water quality over time.
• Review data you have already submitted.

How do  I access the data?
To get to the STORET Warehouse from the
STORET home page, click on Obtaining Water
Quality Data and then choose Download
Modernized STORET Data. From this main page
you will be guided through the selection of data in
a series of steps. First, choose whether you want to
search for Station Descriptions, Regular Results
(nonbiological physical and chemical Results),
Biological Results, or Habitat Results.
Next, select a search by geographic area, Stations,
or Projects you are interested in. Then, define the
time period, and then select the Characteristics that
you want to retrieve. When searching for Biological
Results, you may also choose to define whether
you are interested in tissue data or taxon abundance
data.

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Using the 5TORET Data Warehouse
                                           STORET
The Warehouse will display the
number of records resulting from your
search, and you will have the option
of choosing specific metadata (such as
water depth or collecting gear) to
download with the data file. Your file
is immediately available for download
as a tilde-delimited, flat ASCII text
file. Extensive instructions for all
features of the Warehouse, and defini-
tions of STORET terms,  are available
by clicking on Help at the bottom of
each page.

\e there a  map interface
for the 5TORET
Warehouse?
Soon you will be able to access data
from the STORET Warehouse by
creating maps using the EPA's Web-based geographic
information system (GIS) tools EnviroMapper for
Water and Window to My Environment. These
mapping tools dynamically display information about
bodies of water in the United States and will allow
you to create customized maps that portray the
nation's surface waters along with a collection of
STORET monitoring data. EnviroMapper and
Window to My Environment may be used to view
environmental information from the national level
down to the community level, and  provide the ability
to pan, zoom, and identify map features.
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   How can I  learn  more about the
   STORET Pata Warehouse?
  For more information, visit the
  STORET Web site,
  www.epa.gov/5TORET, or contact
  the EPA STORET assistance
  hotline at 1-800-424-9067, or
  at STORET@epa.gov.
Electronic copies of this document along with many
others are available online atwww.epa.gov/STORET
                                                         STORET Data Warehouse
                                                                   Query Options

                                                          STORET Station Descriptions
                                                          Stations by Geographic Location

                                                          STORET Regular Results
                                                          (Non-Biological Physical and Chemical Result Data)
                                                          Regular Results by Geographic Location
                                                          Regular Results bu Station
                                                          Regular Results by Project

                                                          STORET Biological Results
                                                          Biological Results by Geographic Location
                                                          Biological Results by Station
                                                          Biological Results by Project

                                                          STORET Habitat Results
                                                          Habitat Results by Geographic Location
                                                          Hahitat Results by Station
                                                          Habitat Results by Project
                           DATA LOGGER RESULTS
                           Download a delimited text file of results
                           reported to STORET from Automated Data
                           Loggers. These results, which cannot yet
                           be downloaded via the query options at
                           the left, will be in the form o( a self-
                           extracting compressed file (45QK) which
                           may be saved on disk and will expand
                           when executed. In its uncompressed
                           form, this file requires 14.8 MB of disk
                           space.

                           DATA QUALITY DOCllllENTflTlON
                           Select from among available reports which
                           document the standards, methods,
                           practices and other metadata supplied by
                           data owners lo dceumenl the quality of
                           the monitoring results found in the
                           National STORET Data Warehouse.
  Using your downloaded text file

After you click on Download your data now, from
the File menu choose Save As and save the file as
.txt on your computer. Follow these steps to open
the file in Microsoft Excel:
  1. Open a new Excel worksheet.

  2. From the File menu choose Open.

  3. Use the Files of type drop-down menu to
    choose All Files, then navigate to and select
    your file.

  4. The Text Import Wizard will guide you
    through the remaining steps:

    •  Choose Delimited, then click Next.

    •  Choose Other and enter a tilde [~] in the
       box, then click Next.
    •  If you wish, specify Data Format for any or
       all fields,  and click Finish.
                                                                                  EPA841-F-03-012d, February 2004
                                                                          US EPA, MC 4503T, Washington, DC 20460

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