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News - updated November 2009
 

Tuesday Nov 24, 2009 - We have discovered that the Channel velocity (chan_velocity) and Channel area (chan_area) are transposed in the html (and rdb ) outputs. The USGS Water Data for the Nation team is investigating the problem and is giving it our highest priority. We appreciate your patience while we fix the problem.

Ground-water levels for the Nation


Choose Site Selection Criteria
Found 831,883 sites in USA with ground-water-level measurements. Choose from 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
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

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Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Title: Ground water for USA: Water Levels
URL: http://waterdata.usgs.gov/nwis/gwlevels?

 Page Contact Information: Water-Data Support Team
Page Last Modified: 2009-11-24 10:01:24 EST
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