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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 404354073294504
Minimum number of levels = 1
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USGS 404354073294504 N 10998. 1

Nassau County, New York
Latitude  40°43'54", Longitude  73°29'45" NAD27
Land-surface elevation 70 feet above NAVD88
The depth of the well is 324 feet below land surface.
The depth of the hole is 570 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 Magothy Aquifer (211MAGT) 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
1987-12-17 D62610 55.15NGVD291OUSGSSA
1987-12-17 D62611 53.95NAVD881OUSGSSA
1987-12-17 D7201916.05  1OUSGSSA
1988-01-22 D62610 55.30NGVD291OUSGSSA
1988-01-22 D62611 54.10NAVD881OUSGSSA
1988-01-22 D7201915.90  1OUSGSSA
1988-02-11 D62610 54.61NGVD291OUSGSSA
1988-02-11 D62611 53.41NAVD881OUSGSSA
1988-02-11 D7201916.59  1OUSGSSA
1988-03-11 D62610 55.19NGVD291OUSGSSA
1988-03-11 D62611 53.99NAVD881OUSGSSA
1988-03-11 D7201916.01  1OUSGSSA
1988-04-11 D62610 55.32NGVD291OUSGSSA
1988-04-11 D62611 54.12NAVD881OUSGSSA
1988-04-11 D7201915.88  1OUSGSSA
1988-05-05 D62610 54.99NGVD291OUSGSSA
1988-05-05 D62611 53.79NAVD881OUSGSSA
1988-05-05 D7201916.21  1OUSGSSA
1988-06-02 D62610 55.20NGVD291OUSGSSA
1988-06-02 D62611 54.00NAVD881OUSGSSA
1988-06-02 D7201916.00  1OUSGSSA
1988-07-07 D62610 54.03NGVD291OUSGSSA
1988-07-07 D62611 52.83NAVD881OUSGSSA
1988-07-07 D7201917.17  1OUSGSSA
1988-08-10 D62610 53.97NGVD291OUSGSSA
1988-08-10 D62611 52.77NAVD881OUSGSSA
1988-08-10 D7201917.23  1OUSGSSA
1988-09-14 D62610 54.32NGVD291OUSGSSA
1988-09-14 D62611 53.12NAVD881OUSGSSA
1988-09-14 D7201916.88  1OUSGSSA
1988-10-14 D62610 54.03NGVD291OUSGSSA
1988-10-14 D62611 52.83NAVD881OUSGSSA
1988-10-14 D7201917.17  1OUSGSSA
1988-11-30 D62610 54.60NGVD291OUSGSSA
1988-11-30 D62611 53.40NAVD881OUSGSSA
1988-11-30 D7201916.60  1OUSGSSA
1988-12-29 D62610 54.61NGVD291OUSGSSA
1988-12-29 D62611 53.41NAVD881OUSGSSA
1988-12-29 D7201916.59  1OUSGSSA
1989-01-25 D62610 54.34NGVD291OUSGSSA
1989-01-25 D62611 53.14NAVD881OUSGSSA
1989-01-25 D7201916.86  1OUSGSSA
1989-02-28 D62610 54.20NGVD291OUSGSSA
1989-02-28 D62611 53.00NAVD881OUSGSSA
1989-02-28 D7201917.00  1OUSGSSA
1989-03-22 D62610 54.01NGVD291OUSGSSA
1989-03-22 D62611 52.81NAVD881OUSGSSA
1989-03-22 D7201917.19  1OUSGSSA
1989-04-26 D62610 54.94NGVD291OUSGSSA
1989-04-26 D62611 53.74NAVD881OUSGSSA
1989-04-26 D7201916.26  1OUSGSSA
1989-05-19 D62610 56.19NGVD291OUSGSSA
1989-05-19 D62611 54.99NAVD881OUSGSSA
1989-05-19 D7201915.01  1OUSGSSA
1989-06-27 D62610 58.59NGVD291OUSGSSA
1989-06-27 D62611 57.39NAVD881OUSGSSA
1989-06-27 D7201912.61  1OUSGSSA
1989-07-24 D62610 59.26NGVD291OUSGSSA
1989-07-24 D62611 58.06NAVD881OUSGSSA
1989-07-24 D7201911.94  1OUSGSSA
1989-08-30 D62610 59.69NGVD291OUSGSSA
1989-08-30 D62611 58.49NAVD881OUSGSSA
1989-08-30 D7201911.51  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.