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USGS 405122073360601 N 11279. 1

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 40°51'23.0", long 73°36'05.8" referenced to North American Datum of 1983, Nassau County, NY, Hydrologic Unit 02030201, at east side of Lawrence Lane, 95 ft north of Bryant Road, Glen Cove.
WELL CHARACTERISTICS.--Depth 500 ft. Upper casing diameter 4 in; top of first opening 475 ft, bottom of last opening 495 ft.
DATUM.--Land-surface datum is 131 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 0.29 ft below land-surface datum, 130.71 ft above National Geodetic Vertical Datum of 1929, Mar. 20, 1991 to present.
PERIOD OF RECORD.--March 1991 to March 1998, March 2005 to current year.
GAGE.--Periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 27.61 ft above NGVD of 1929, Feb. 25, 2008; lowest measured, 5.20 ft above NGVD of 1929, July 25, 2011.
> Rating Information
Available Parameters Available Period
  
2025-08-18  2026-01-15








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Summary of all available data for this site
Instantaneous-data availability statement

Groundwater level above NAVD 1988, feet
Most recent instantaneous value: 21.48 01-15-2026   10:45 EST
Graph of Groundwater level above NAVD 1988, feet

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