LOCATION.--Lat 43°01'46.7", long 78°10'13.6" referenced to North American Datum of 1983, Genesee County, NY, Hydrologic Unit 04120104, in State Police air enforcement parking lot, near Batavia.
WELL CHARACTERISTICS.--Depth 74.6 ft. Upper casing diameter 6 in; top of first opening 27.5 ft, bottom of last opening 73 ft. Cased to 27 ft, open hole.
DATUM.--Land-surface datum is 906.23 ft above North American Vertical Datum of 1988. Measuring point: Top of shelter shelf, 4.13 ft above land-surface datum, Jun. 10, 2014 to present.  
PERIOD OF RECORD.--September 2007 to current year.
GAGE.--Water-stage recorder--15 minute; periodic measurements by USGS personnel.
REMARKS.--Water levels were below transducer on many days in 2012 and 2013; record not used. Satellite water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level, 1.20 ft below land-surface datum, Mar. 11, 2011; lowest water level, 15.91 ft below land-surface datum, Aug. 10, 2016.

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