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  • USGS Water-Quality Daily Data for the Nation


    Choose Site Selection Criteria
    Choose from the following criteria to constrain the number of sites selected.   If no additional site-selection criteria are chosen and no additional specifications are defined on the following page then output will be for all 11,662 sites that have water-quality daily values data.

    Water-quality daily data example.

              Site
       -- Location --

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              Site
       -- Identifier --

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              Site
       -- Attribute --

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              Data
       -- Attribute * --

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    * Selection of more than one data attribute will include all samples that meet all conditions selected.