PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 42°15'44", long
78°02'13" referenced to North American Datum of 1983,
Allegany County, NY, Hydrologic Unit 04130002, in the Allegany
County landfill on County Route 48 near Belmont.
WELL CHARACTERISTICS.--Depth 29.5 ft. Upper casing diameter 2 in; top of first opening 23.5 ft, bottom of last opening 29.1 ft. Cased to 29.5 ft (screen, 23.5 ft to 29.1 ft). Elevation of land-surface datum is 1,456.13 ft above NGVD of 1929 and 1,455.61 ft above NAVD of 1988.
DATUM.--Land-surface datum is 1,455.61 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 1.76 ft above land-surface datum, Apr. 30, 2015 to Jul. 16, 2020; Top of casing, 1.77 ft above land-surface datum, Jul. 16, 2020 to present.
PERIOD OF RECORD.--November 1995 to September 2002 and November 2002 to current year. Water levels for November 1995 to September 2002 are unpublished and available in the files of the U.S. Geological Survey.
REVISIONS HISTORY.--Groundwater levels for the period Dec. 5, 2019, at 10:15 to Mar. 18, 2020, at 13:30 were revised on Jan. 7, 2022, based on changes to a correction.
GAGE.--Water-stage recorder--15 minute; periodic measurements by USGS personnel.
REMARKS.--Satellite water-level telemetry at station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level recorded, 1.76 ft above land-surface datum, July 17, 18, 19, 2021, but was higher during this event beyond the limits of the well; lowest water level, 2.44 ft below land-surface datum, Jan. 29, 1996.
WELL CHARACTERISTICS.--Depth 29.5 ft. Upper casing diameter 2 in; top of first opening 23.5 ft, bottom of last opening 29.1 ft. Cased to 29.5 ft (screen, 23.5 ft to 29.1 ft). Elevation of land-surface datum is 1,456.13 ft above NGVD of 1929 and 1,455.61 ft above NAVD of 1988.
DATUM.--Land-surface datum is 1,455.61 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 1.76 ft above land-surface datum, Apr. 30, 2015 to Jul. 16, 2020; Top of casing, 1.77 ft above land-surface datum, Jul. 16, 2020 to present.
PERIOD OF RECORD.--November 1995 to September 2002 and November 2002 to current year. Water levels for November 1995 to September 2002 are unpublished and available in the files of the U.S. Geological Survey.
REVISIONS HISTORY.--Groundwater levels for the period Dec. 5, 2019, at 10:15 to Mar. 18, 2020, at 13:30 were revised on Jan. 7, 2022, based on changes to a correction.
GAGE.--Water-stage recorder--15 minute; periodic measurements by USGS personnel.
REMARKS.--Satellite water-level telemetry at station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level recorded, 1.76 ft above land-surface datum, July 17, 18, 19, 2021, but was higher during this event beyond the limits of the well; lowest water level, 2.44 ft below land-surface datum, Jan. 29, 1996.
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