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USGS Water Data Explorer

Retrievals may take a few seconds to a few minutes. This USGS Water Data Explorer searches a cached (October 2007) summary of the National NWISWeb site data inventory [1.5 M sites], including streamflow, water levels, and water quality samples. Search results are provided in a table with links to individual site data, and can also be viewed on Google maps and or in a KML file for software such as Google Earth.

Select sites which meet all of the following criteria (You must select a site type, state OR hydrologic region, and parameter grouping):
(stream, lake, spring, precipitation, ..) Site type
Alabama, Alaska, ... State/Territory (help selecting multiple items)   OR   Major rivershed (New England, Mid-Atlantic, Upper Mississippi, ..) Hydrologic Region (help selecting multiple items)
   
All Parameters in selected groups -- (cont.) = Continuous recording data expressed as daily means.
Select sites with a period of record that includes given dates -- select sites where the period of data record overlaps with the period entered below. (Note: Sites can sometimes meet this criterion without actually having observations during the date range entered because we are searching a summarized data set.)   OR   Select sites with more than a minimum number of observations
    
Must have some data after [mm/dd/yyyy]: Click to view calendar AND
Must have some data before [mm/dd/yyyy]: Click to view calendar
Site names generally include river and lake names. For wells it can be the local number Site Name -- (optional -- leave blank to not use, option not available in searching for Ground Water & Spring sites)
match from the start    match any part
Enter how deep or how shallow of a well to search on Well depth -- enter values in one or both fields (optional -- leave blank to not use, only applies to Ground Water sites, option not available in searching for Stream/River sites)
Well depth: Not all ground-water sites have information on well depth. Such sites will not be retrieved using this search criteria.
less than feet below land surface.
Questions about sites/data? Explanation of terms
Feedback on this web site
URL: http://water.usgs.gov/data/explorer/index.html

Page Last Modified: Tuesday, 20-May-2008 14:00:43 EDT
Department of the Interior, U.S. Geological Survey
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