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USGS Water-Year Summary 2024
421903074152301 G-644, at Windham NY
Other aquifers
Genesee Formation
Genesee Formation
LOCATION - Lat 42°19'03.0", long 74°15'22.0" referenced to North American Datum of 1983, Greene County, NY, Hydrologic Unit 02020005, at Windham.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 352 ft. Upper casing diameter 6 in; top of first opening 28 ft, bottom of last opening 214 ft. Cased to 26 ft, open hole.
DATUM - Land-surface datum is 1,695.95 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 1.1 ft above land-surface datum, Oct. 12, 2017 to present.
PERIOD OF RECORD - March 1991 to April 1992, April 2003 to August 2024 (discontinued).
GAGE - Water-stage recorder--15 minute; periodic manual measurements by USGS personnel.
REMARKS - Due to unknown causes, the water level dropped about 7 ft between September 23 and October 2, 2005, and then rose over 23 ft between October 2 and November 23, 2005. After leveling off by January 1, 2006, there is an unexplainable 9 ft shift in water level. Extremes are reported for the periods of record before and after this resulting water-level shift. The period September 23 (1300) through December 31, 2005, was deemed questionable record and therefore disregarded. Satellite water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Highest water level prior to shift, 18.70 ft below land-surface datum, Dec. 25, 2003; lowest water level prior to shift, 26.10 ft below land-surface datum, Sept. 4, 1991. Highest water level recorded since shift, 9.31 ft below land-surface datum, Jan. 26, 2006; lowest water level recorded since shift, 24.80 ft below land-surface datum, Sept. 7, 2012.
