LOCATION.--Lat 42°58'45.8", long
75°50'44.7" referenced to North American Datum of
1983, Madison County, NY, Hydrologic Unit 04140202, just
northwest of Chittenango Falls State Park Road.
WELL CHARACTERISTICS.--Depth 170 ft. Upper casing
diameter 6 in; top of first opening 146 ft, bottom of last
opening 162 ft. Cased to 19 ft, open hole.
DATUM.--Land-surface datum is 874.79 ft above North
American Vertical Datum of 1988. Measuring point: Top of
casing, 3.14 ft above land-surface datum, Aug. 31, 2015 to Apr.
26, 2021; Mark on PVC pipe, 3.1 ft above land-surface datum,
Apr. 26, 2021 to present; Mark on top of well flange, 3.12 ft
above land-surface datum, Apr. 26, 2021 to present.
PERIOD OF RECORD.--September 2008 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,
102.23 ft, below land-surface datum, Mar. 30, 2018; lowest
water level, 140.21 ft below land-surface datum, Oct. 15,
2020.