LOCATION.--Lat 42°50'47.0", long
        73°47'26.9" referenced to North American Datum of
        1983, Saratoga County, NY, Hydrologic Unit 02020004, at Clifton
        Park.
        WELL CHARACTERISTICS.--Depth 14 ft. Upper casing
        diameter 2 in; top of first opening 10.2 ft, bottom of last
        opening 15.2 ft. Well filled in from original depth of 15.2 ft,
        cased to 10.2 ft (screen, 10.2 ft to 15.2 ft).
        DATUM.--Land-surface datum is 295.81 ft above North
        American Vertical Datum of 1988. Measuring point: Top of
        extended 2 inch PVC casing, 4.27 ft above land-surface datum,
        Apr. 27, 2016 to Oct. 21, 2019; Top of extended 2 inch PVC
        casing, 4.28 ft above land-surface datum, Oct. 21, 2019 to
        present.  
        PERIOD OF RECORD.--July 1994, May 1996 to March 1998,
        December 2002 to current year.
        GAGE.--Water-stage recorder--15 minute; periodic manual
        measurements by USGS personnel. Prior to December 2002,
        calibrated pressure gage.
        REMARKS.--Levels were processed June 2009, showing a .16
        ft change in the measuring point. A -.01 ft to -.14 ft
        correction was prorated and applied for Nov. 23, 2004 through
        Sept. 30, 2008 to correct the water level data. This prorated
        correction should be applied to the values published in Volume
        1 of the Water Resources Data reports for those water years.
        The values presented on USGS web pages have been corrected.
        Satellite water-level telemeter at station.
        EXTREMES FOR PERIOD OF RECORD.--Highest water level,
        0.63 ft above land-surface datum, Mar. 12, 2011; lowest water
        level, 7.07 ft below land-surface datum, Oct. 25, 1997.