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  USGS Water Resources    


News updated April, 2012

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Water Quality Samples for the Nation

Some complex retrievals may take a few minutes.
Choose Site Selection Criteria
There are 385,510 sites in USA with water-quality data. Choose at least one of the following criteria to constrain the number of sites selected.
          Site
    -- Location -- 		          Site
    -- Identifier -- 		          Site
    -- Attribute -- 		          Data
    -- Attribute * --
Alabama, Alaska, ...
Major rivershed (New England, Mid-Atlantic, Upper Mississippi, ..)
Latitude and longitude of two opposing corners in a box (NAD83 datum is assumed for DMS values.
Site names generally include river and lake names. For wells it can be the local number
Number 2 to 15 long that uniquely defines a site
Enter multiple Site numbers to display many stations at the same time
Organization identifier that set-up and administers the site. (USGS, NWS,..)
File on your computer that contains a list of Site numbers
(stream, lake, spring, precipitation, ..)
Drainage area
Enter how deep or how shallow of a well to search on
Enter how deep or how shallow of a hole to search on
National aquifer name (list sorted by code)
National aquifer name (list sorted by name)
Select sites with more than a minimum number of observations
Select sites with a period of record that includes given dates
(groundwater, surface water, bottom sediments, animal tissue, ...
Enter multiple parameter codes
File on your computer that contains a list of parameter codes
All Parameters in selected groups

* Selection of more than one data attribute will include all samples that meet all conditions selected.
Questions about sites/data? Data Tips
Feedback on this web site Explanation of terms
Automated retrievals Subscribe for system changes
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Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Title: Water Quality Samples for USA: Sample Data
URL: http://nwis.waterdata.usgs.gov/nwis/qwdata?

 Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2012-05-16 07:37:19 EDT
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