LOCATION.--Lat 42°31'43.7", long 76°58'26.4" referenced to North American Datum of 1983, Yates County, NY, Hydrologic Unit 04140201, on gravel utility road just north of Dundee Central School at Dundee.
WELL CHARACTERISTICS.--Depth 19.5 ft. Upper casing diameter 2 in; top of first opening 4.4 ft, bottom of last opening 14.2 ft. Cased to 4.4 ft (screen, 4.4 ft to 14.2 ft).
DATUM.--Land-surface datum is 986.98 ft above North American Vertical Datum of 1988. Measuring point: Top of shelter shelf, 3.22 ft above land-surface datum, Aug. 2, 2016 to present.  
PERIOD OF RECORD.--March 2004 to current year.
GAGE.--Water-stage recorder--15 minute; periodic measurements by USGS personnel.
REMARKS.--Water level is affected by nearby pumping. Satellite water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level, 0.01 ft above land-surface datum, Mar. 13, 2006; lowest water level, 7.72 ft below land-surface datum, Mar. 9, 10, 2015.

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