LOCATION.--Lat 42°24'45", long
77°20'33" referenced to North American Datum of 1927,
Steuben County, NY, Hydrologic Unit 02050105, adjacent to south
edge of dirt road, 20 ft south of driveway, and 300 ft east of
farmhouse, near Kanona.
WELL CHARACTERISTICS.--Depth 15 ft. Upper casing
diameter 2.5 in; top of first opening 16.3 ft, bottom of last
opening 17.4 ft. Well filled in from original depth of 18 ft,
cased to 17.4 ft (screen, 16.3 ft to 17.4 ft).
DATUM.--Land-surface datum is 1,221.33 ft above North
American Vertical Datum of 1988. Measuring point: Top of
extended casing, 3.37 ft above land-surface datum, Sep. 5, 2012
PERIOD OF RECORD.--November 1965 to current year.
Records for November 1965 to September 1976 are unpublished and
available in files of the Geological Survey. Weekly
measurements by observer and periodic tape-downs by USGS
personnel November 1965 to December 1997.
REVISIONS HISTORY.--Previously reported datum of
1,209.78 ft above NGVD of 1929 (New York State Department of
Transportation bench mark) was found to be in error and updated
to 1,221.33 ft above NAVD of 1988 on Aug. 4, 2022.
GAGE.--Water-stage recorder--15 minute; periodic
measurements by USGS personnel.
REMARKS.--Satellite water-level telemeter at
EXTREMES FOR PERIOD OF RECORD.--Highest water level,
3.55 ft below land-surface datum, Apr. 4, 2005; lowest water
level measured, 10.84 ft below land-surface datum, Sept. 22,