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USGS Water-Year Summary 2024
423743078070802 Wo-4, near Gainesville NY
Sand and gravel aquifers (glaciated regions)
Outwash
Outwash
LOCATION - Lat 42°37'43", long 78°07'08" referenced to North American Datum of 1927, Wyoming County, NY, Hydrologic Unit 04130002, on Letchworth Central School property, on County Road 40, 0.1 mi south of School Road, and 1.0 mi southeast of Gainesville.
REVISIONS HISTORY - WDR NY-91-3: 1990.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 20.3 ft. Upper casing diameter 6 in; top of first opening 20 ft, bottom of last opening 20 ft. Cased to 20 ft, open end. Elevation of land-surface datum is 1,606.76 ft above NGVD of 1929 and 1,606.36 ft above NAVD of 1988.
DATUM - Land-surface datum is 1,606.76 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of flange, 2.63 ft above land-surface datum, Jun. 3, 2016 to present; Top of shelter shelf, 2.65 ft above land-surface datum, Jun. 3, 2016 to present; Top of casing, 2.62 ft above land-surface datum, Jun. 3, 2016 to present.
PERIOD OF RECORD - May 1974 to current year. Records for May 1974 to September 1976 are unpublished and available in files of the Geological Survey.
GAGE - Water-stage recorder--15 minute; periodic measurements by USGS personnel.
REMARKS - Well drilled May 1974 as a replacement for 423743078070801 (local number Wo-2), located 25 ft southeast, which had a period of record from November 1965 to May 1974 (unpublished). Water level may be affected by periodic water-quality sampling by county health department. Satellite water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 7.89 ft below land-surface datum, Mar. 5, 1976; lowest water level, 14.00 ft below land-surface datum, Nov. 3, 1974.
