LOCATION.--Lat 42°26'22.5", long
73°41'08.9" referenced to North American Datum of
1983, Columbia County, NY, Hydrologic Unit 02020006, at
Niverville.
WELL CHARACTERISTICS.--Depth 29.5 ft. Upper casing
diameter 2 in; top of first opening 14.8 ft, bottom of last
opening 24.6 ft. Cased to 29.7 ft (screen, 14.8 ft to 24.6
ft).
DATUM.--Land-surface datum is 309.06 ft above North
American Vertical Datum of 1988. Measuring point: Top of
casing, 3.53 ft above land-surface datum, Nov. 4, 2005 to Aug.
31, 2021; Top of shelter shelf, 3.64 ft above land-surface
datum, Jul. 5, 2016 to Aug. 31, 2021; Top of casing, 3.51 ft
above land-surface datum, Aug. 31, 2021 to present; Top of
shelter shelf, 3.65 ft above land-surface datum, Aug. 31, 2021
to present.
PERIOD OF RECORD.--April 2006 to current year.
GAGE.--Water-stage recorder--15 minute; periodic manual
measurements by USGS personnel.
REMARKS.--Satellite water-level telemeter at
station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level,
6.45 ft below land-surface datum, Sept. 10, 11, 2011; lowest
water level, 15.10 ft below land-surface datum, Feb. 1, 7, 8,
2017.