LOCATION.--Lat 42°58'32.9", long 77°50'38.7" referenced to North American Datum of 1983, Livingston County, NY, Hydrologic Unit 04130003, adjacent to Iroquois Road, on the Caledonia Country Club, at Caledonia.
WELL CHARACTERISTICS.--Depth 25.5 ft. Upper casing diameter 2 in; top of first opening 29.5 ft, bottom of last opening 31.5 ft. Well has filled in from original depth of 31.5 ft (screen, 29.5 ft to 31.5 ft).
DATUM.--Land-surface datum is 645.98 ft above North American Vertical Datum of 1988. Measuring point: Top of shelter shelf, 2.93 ft above land-surface datum, Aug. 1, 2012 to present.  
PERIOD OF RECORD.--March 2004 to current year.
GAGE.--Water-stage recorder--15 minute; periodic measurements by USGS personnel.
REMARKS.--Satellite water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level, 5.54 ft below land-surface datum, May 11, 2017; lowest water level, 13.87 ft below land-surface datum, Nov. 19, 2007.

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