LOCATION.--Lat 41°49'48", long
74°03'50" referenced to North American Datum of 1983,
Ulster County, NY, Hydrologic Unit 02020007, Grist Mill Road,
at Tillson.
WELL CHARACTERISTICS.--Depth 41 ft. Upper casing
diameter 2 in; top of first opening 32 ft, bottom of last
opening 37 ft. Cased to 32 ft (screen, 32 ft to 37 ft).
DATUM.--Land-surface datum is 236.41 ft above North
American Vertical Datum of 1988. Measuring point: Top of
casing, 3.41 ft above land-surface datum, Jul. 29, 2002 to Jul.
14, 2012; Top of shelter shelf, 3.45 ft above land-surface
datum, Aug. 20, 2013 to present.
PERIOD OF RECORD.--July 2002 to current year.
GAGE.--Water-stage recorder--15 minute; periodic manual
measurements by USGS personnel.
REMARKS.--Well was drilled in 2002 as a replacement for
414948074035101 (local number U 405), located about 3 ft west,
which had a period of record from October 1964 to July 1965,
March 1966 to December 1974, April 1976 to August 1995.
Satellite water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level,
13.71 ft below land-surface datum, Sept. 13, 2011; lowest water
level, 20.76 ft below land-surface datum, Oct. 10, 11,
2002.