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Groundwater levels for the Nation

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USGS 404311073371601 N 9398. 1

Nassau County, New York
Latitude  40°43'11", Longitude  73°37'16" NAD27
Land-surface elevation 65.0 feet above NGVD29
The depth of the well is 22 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.
Output formats
Table of data
Tab-separated data
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Reselect period
Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
1978-08-02 D62610 50.09NGVD291OUSGSSA
1978-08-02 D62611 48.94NAVD881OUSGSSA
1978-08-02 D7201914.91  1OUSGSSA
1978-10-24 D62610 48.83NGVD291OUSGSSA
1978-10-24 D62611 47.68NAVD881OUSGSSA
1978-10-24 D7201916.17  1OUSGSSA
1978-11-21 D62610 48.57NGVD291OUSGSSA
1978-11-21 D62611 47.42NAVD881OUSGSSA
1978-11-21 D7201916.43  1OUSGSSA
1978-12-28 D62610 48.31NGVD291OUSGSSA
1978-12-28 D62611 47.16NAVD881OUSGSSA
1978-12-28 D7201916.69  1OUSGSSA
1979-03-21 D62610 51.81NGVD291OUSGSSA
1979-03-21 D62611 50.66NAVD881OUSGSSA
1979-03-21 D7201913.19  1OUSGSSA
1979-04-19 D62610 51.56NGVD291OUSGSSA
1979-04-19 D62611 50.41NAVD881OUSGSSA
1979-04-19 D7201913.44  1OUSGSSA
1979-05-24 D62610 51.62NGVD291OUSGSSA
1979-05-24 D62611 50.47NAVD881OUSGSSA
1979-05-24 D7201913.38  1OUSGSSA
1983-09-2115:35 UTCm62610 46.16NGVD291OUSGSSA
1983-09-2115:35 UTCm62611 45.01NAVD881OUSGSSA
1983-09-2115:35 UTCm7201918.84  1OUSGSSA
1983-10-2315:58 UTCm62610 46.06NGVD291OUSGSSA
1983-10-2315:58 UTCm62611 44.91NAVD881OUSGSSA
1983-10-2315:58 UTCm7201918.94  1OUSGSSA
1984-10-1617:40 UTCm62610 51.28NGVD291OUSGSSA
1984-10-1617:40 UTCm62611 50.13NAVD881OUSGSSA
1984-10-1617:40 UTCm7201913.72  1OUSGSSA
1985-05-1520:51 UTCm62610 47.70NGVD291OUSGSSA
1985-05-1520:51 UTCm62611 46.55NAVD881OUSGSSA
1985-05-1520:51 UTCm7201917.30  1OUSGSSA
1987-05-2013:46 UTCm62610 46.34NGVD291OUSGSSA
1987-05-2013:46 UTCm62611 45.19NAVD881OUSGSSA
1987-05-2013:46 UTCm7201918.66  1OUSGSSA
1987-07-2815:49 UTCm62610 45.82NGVD291OUSGSSA
1987-07-2815:49 UTCm62611 44.67NAVD881OUSGSSA
1987-07-2815:49 UTCm7201919.18  1OUSGSSA
1990-05-0315:10 UTCm62610 49.24NGVD291OUSGSSA
1990-05-0315:10 UTCm62611 48.09NAVD881OUSGSSA
1990-05-0315:10 UTCm7201915.76  1OUSGSSA
1990-08-17 D62610 48.98NGVD291OUSGSSA
1990-08-17 D62611 47.83NAVD881OUSGSSA
1990-08-17 D7201916.02  1OUSGSSA
1990-10-31 D62610 49.39NGVD291OUSGSSA
1990-10-31 D62611 48.24NAVD881OUSGSSA
1990-10-31 D7201915.61  1OUSGSSA
1991-03-2120:25 UTCm62610 49.62NGVD291OUSGSSA
1991-03-2120:25 UTCm62611 48.47NAVD881OUSGSSA
1991-03-2120:25 UTCm7201915.38  1OUSGSSA
1991-06-2516:05 UTCm62610 49.11NGVD291OUSGSSA
1991-06-2516:05 UTCm62611 47.96NAVD881OUSGSSA
1991-06-2516:05 UTCm7201915.89  1OUSGSSA
1991-10-2313:10 UTCm62610 47.74NGVD291OUSGSSA
1991-10-2313:10 UTCm62611 46.59NAVD881OUSGSSA
1991-10-2313:10 UTCm7201917.26  1OUSGSSA
1992-03-1819:05 UTCm62610 46.11NGVD291OUSGSSA
1992-03-1819:05 UTCm62611 44.96NAVD881OUSGSSA
1992-03-1819:05 UTCm7201918.89  1OUSGSSA
1992-06-3017:30 UTCm62610 45.55NGVD291OUSGSSA
1992-06-3017:30 UTCm62611 44.40NAVD881OUSGSSA
1992-06-3017:30 UTCm7201919.45  1OUSGSSA
1993-03-2317:50 UTCm62610 47.14NGVD291OUSGSSA
1993-03-2317:50 UTCm62611 45.99NAVD881OUSGSSA
1993-03-2317:50 UTCm7201917.86  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.