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Groundwater levels for the Nation

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USGS 404442073362401 N 9941. 1

Nassau County, New York
Latitude  40°44'43", Longitude  73°36'25" NAD27
Land-surface elevation 87.0 feet above NGVD29
The depth of the well is 50 feet below land surface.
The depth of the hole is 75 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Glacial Aquifer, Upper (112GLCLU) local aquifer.
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Water-level
date-time
accuracy
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Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
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Method of
measurement
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agency
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measurement
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Water-level
approval
status
1982-07-1620:00 UTCm62610 62.21NGVD291OUSGSSA
1982-07-1620:00 UTCm62611 61.06NAVD881OUSGSSA
1982-07-1620:00 UTCm7201924.79  1OUSGSSA
1982-08-1914:45 UTCm62610 61.43NGVD291OUSGSSA
1982-08-1914:45 UTCm62611 60.28NAVD881OUSGSSA
1982-08-1914:45 UTCm7201925.57  1OUSGSSA
1982-12-1418:35 UTCm62610 59.94NGVD291OUSGSSA
1982-12-1418:35 UTCm62611 58.79NAVD881OUSGSSA
1982-12-1418:35 UTCm7201927.06  1OUSGSSA
1983-03-3115:00 UTCm62610 61.18NGVD291OUSGSSA
1983-03-3115:00 UTCm62611 60.03NAVD881OUSGSSA
1983-03-3115:00 UTCm7201925.82  1OUSGSSA
1983-04-0120:34 UTCm62610 61.22NGVD291OUSGSSA
1983-04-0120:34 UTCm62611 60.07NAVD881OUSGSSA
1983-04-0120:34 UTCm7201925.78  1OUSGSSA
1983-08-2920:35 UTCm62610 61.81NGVD291OUSGSSA
1983-08-2920:35 UTCm62611 60.66NAVD881OUSGSSA
1983-08-2920:35 UTCm7201925.19  1OUSGSSA
1983-08-3115:29 UTCm62610 61.79NGVD291OUSGSSA
1983-08-3115:29 UTCm62611 60.64NAVD881OUSGSSA
1983-08-3115:29 UTCm7201925.21  1OUSGSSA
1984-04-0618:00 UTCm62610 64.57NGVD291OUSGSSA
1984-04-0618:00 UTCm62611 63.42NAVD881OUSGSSA
1984-04-0618:00 UTCm7201922.43  1OUSGSSA
1984-04-2516:07 UTCm62610 65.49NGVD291OUSGSSA
1984-04-2516:07 UTCm62611 64.34NAVD881OUSGSSA
1984-04-2516:07 UTCm7201921.51  1OUSGSSA
1984-05-0117:22 UTCm62610 65.54NGVD291OUSGSSA
1984-05-0117:22 UTCm62611 64.39NAVD881OUSGSSA
1984-05-0117:22 UTCm7201921.46  1OUSGSSA
1984-08-0820:25 UTCm62610 67.89NGVD291OUSGSSA
1984-08-0820:25 UTCm62611 66.74NAVD881OUSGSSA
1984-08-0820:25 UTCm7201919.11  1OUSGSSA
1985-05-1016:09 UTCm62610 64.77NGVD291OUSGSSA
1985-05-1016:09 UTCm62611 63.62NAVD881OUSGSSA
1985-05-1016:09 UTCm7201922.23  1OUSGSSA
1987-05-1913:50 UTCm62610 62.57NGVD291OUSGSSA
1987-05-1913:50 UTCm62611 61.42NAVD881OUSGSSA
1987-05-1913:50 UTCm7201924.43  1OUSGSSA
1987-07-2817:02 UTCm62610 61.81NGVD291OUSGSSA
1987-07-2817:02 UTCm62611 60.66NAVD881OUSGSSA
1987-07-2817:02 UTCm7201925.19  1OUSGSSA
1987-08-3116:00 UTCm62610 61.19NGVD291OUSGSSA
1987-08-3116:00 UTCm62611 60.04NAVD881OUSGSSA
1987-08-3116:00 UTCm7201925.81  1OUSGSSA
1988-09-1913:00 UTCm62610 58.53NGVD291OUSGSSA
1988-09-1913:00 UTCm62611 57.38NAVD881OUSGSSA
1988-09-1913:00 UTCm7201928.47  1OUSGSSA
1988-10-0315:45 UTCm62610 58.26NGVD291OUSGSSA
1988-10-0315:45 UTCm62611 57.11NAVD881OUSGSSA
1988-10-0315:45 UTCm7201928.74  1OUSGSSA
1988-10-1112:35 UTCm62610 58.28NGVD291OUSGSSA
1988-10-1112:35 UTCm62611 57.13NAVD881OUSGSSA
1988-10-1112:35 UTCm7201928.72  1OUSGSSA
1988-10-2111:45 UTCm62610 58.16NGVD291OUSGSSA
1988-10-2111:45 UTCm62611 57.01NAVD881OUSGSSA
1988-10-2111:45 UTCm7201928.84  1OUSGSSA
1988-11-2114:25 UTCm62610 58.58NGVD291OUSGSSA
1988-11-2114:25 UTCm62611 57.43NAVD881OUSGSSA
1988-11-2114:25 UTCm7201928.42  1OUSGSSA
1988-12-2112:35 UTCm62610 59.25NGVD291OUSGSSA
1988-12-2112:35 UTCm62611 58.10NAVD881OUSGSSA
1988-12-2112:35 UTCm7201927.75  1OUSGSSA
1989-01-1312:50 UTCm62610 59.36NGVD291OUSGSSA
1989-01-1312:50 UTCm62611 58.21NAVD881OUSGSSA
1989-01-1312:50 UTCm7201927.64  1OUSGSSA
1989-02-1313:50 UTCm62610 59.28NGVD291OUSGSSA
1989-02-1313:50 UTCm62611 58.13NAVD881OUSGSSA
1989-02-1313:50 UTCm7201927.72  1OUSGSSA
1989-03-2315:15 UTCm62610 59.00NGVD291OUSGSSA
1989-03-2315:15 UTCm62611 57.85NAVD881OUSGSSA
1989-03-2315:15 UTCm7201928.00  1OUSGSSA
1989-04-1215:05 UTCm62610 59.55NGVD291OUSGSSA
1989-04-1215:05 UTCm62611 58.40NAVD881OUSGSSA
1989-04-1215:05 UTCm7201927.45  1OUSGSSA
1989-05-1813:45 UTCm62610 60.67NGVD291OUSGSSA
1989-05-1813:45 UTCm62611 59.52NAVD881OUSGSSA
1989-05-1813:45 UTCm7201926.33  1OUSGSSA
1989-06-1715:45 UTCm62610 62.41NGVD291OUSGSSA
1989-06-1715:45 UTCm62611 61.26NAVD881OUSGSSA
1989-06-1715:45 UTCm7201924.59  1OUSGSSA
1989-07-1812:53 UTCm62610 62.84NGVD291OUSGSSA
1989-07-1812:53 UTCm62611 61.69NAVD881OUSGSSA
1989-07-1812:53 UTCm7201924.16  1OUSGSSA
1989-08-1513:40 UTCm62610 62.96NGVD291OUSGSSA
1989-08-1513:40 UTCm62611 61.81NAVD881OUSGSSA
1989-08-1513:40 UTCm7201924.04  1OUSGSSA
1989-09-2014:05 UTCm62610 62.68NGVD291OUSGSSA
1989-09-2014:05 UTCm62611 61.53NAVD881OUSGSSA
1989-09-2014:05 UTCm7201924.32  1OUSGSSA
1989-10-2413:10 UTCm62610 63.43NGVD291OUSGSSA
1989-10-2413:10 UTCm62611 62.28NAVD881OUSGSSA
1989-10-2413:10 UTCm7201923.57  1OUSGSSA
1989-12-05 D62610 63.81NGVD291OUSGSSA
1989-12-05 D62611 62.66NAVD881OUSGSSA
1989-12-05 D7201923.19  1OUSGSSA
1990-01-16 D62610 63.30NGVD291OUSGSSA
1990-01-16 D62611 62.15NAVD881OUSGSSA
1990-01-16 D7201923.70  1OUSGSSA
1990-02-12 D62610 63.60NGVD291OUSGSSA
1990-02-12 D62611 62.45NAVD881OUSGSSA
1990-02-12 D7201923.40  1OUSGSSA
1990-03-2615:35 UTCm62610 63.40NGVD291OUSGSSA
1990-03-2615:35 UTCm62611 62.25NAVD881OUSGSSA
1990-03-2615:35 UTCm7201923.60  1OUSGSSA
1990-06-18 D62610 64.67NGVD291OUSGSSA
1990-06-18 D62611 63.52NAVD881OUSGSSA
1990-06-18 D7201922.33  1OUSGSSA
1990-08-15 D62610 64.56NGVD291OUSGSSA
1990-08-15 D62611 63.41NAVD881OUSGSSA
1990-08-15 D7201922.44  1OUSGSSA
1990-10-31 D62610 65.29NGVD291OUSGSSA
1990-10-31 D62611 64.14NAVD881OUSGSSA
1990-10-31 D7201921.71  1OUSGSSA
1991-01-1016:23 UTCm62610 64.92NGVD291OUSGSSA
1991-01-1016:23 UTCm62611 63.77NAVD881OUSGSSA
1991-01-1016:23 UTCm7201922.08  1OUSGSSA
1991-06-2615:55 UTCm62610 65.03NGVD291OUSGSSA
1991-06-2615:55 UTCm62611 63.88NAVD881OUSGSSA
1991-06-2615:55 UTCm7201921.97  1OUSGSSA
1991-10-2315:10 UTCm62610 63.75NGVD291OUSGSSA
1991-10-2315:10 UTCm62611 62.60NAVD881OUSGSSA
1991-10-2315:10 UTCm7201923.25  1OUSGSSA
1992-06-3017:05 UTCm62610 61.47NGVD291OUSGSSA
1992-06-3017:05 UTCm62611 60.32NAVD881OUSGSSA
1992-06-3017:05 UTCm7201925.53  1OUSGSSA
1993-03-3115:10 UTCm62610 61.83NGVD291OUSGSSA
1993-03-3115:10 UTCm62611 60.68NAVD881OUSGSSA
1993-03-3115:10 UTCm7201925.17  1OUSGSSA
1993-07-0119:55 UTCm62610 61.37NGVD291OUSGSSA
1993-07-0119:55 UTCm62611 60.22NAVD881OUSGSSA
1993-07-0119:55 UTCm7201925.63  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
Status1Static
Method of measurementOObserved.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.