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Groundwater levels for the Nation

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Agency code = usgs
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  • 404427072294701
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USGS 404427072294701 N 10631. 1

Nassau County, New York
Latitude  40°44'27", Longitude  73°29'47" NAD27
Land-surface elevation 104.0 feet above NGVD29
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
1986-11-04 D62610 63.15NGVD291OUSGSSA
1986-11-04 D62611 61.96NAVD881OUSGSSA
1986-11-04 D7201940.85  1OUSGSSA
1986-11-25 D62610 62.45NGVD291OUSGSSA
1986-11-25 D62611 61.26NAVD881OUSGSSA
1986-11-25 D7201941.55  1OUSGSSA
1986-12-16 D62610 62.47NGVD291OUSGSSA
1986-12-16 D62611 61.28NAVD881OUSGSSA
1986-12-16 D7201941.53  1OUSGSSA
1987-01-12 D62610 62.88NGVD291OUSGSSA
1987-01-12 D62611 61.69NAVD881OUSGSSA
1987-01-12 D7201941.12  1OUSGSSA
1987-02-19 D62610 62.81NGVD291OUSGSSA
1987-02-19 D62611 61.62NAVD881OUSGSSA
1987-02-19 D7201941.19  1OUSGSSA
1987-03-19 D62610 63.14NGVD291OUSGSSA
1987-03-19 D62611 61.95NAVD881OUSGSSA
1987-03-19 D7201940.86  1OUSGSSA
1987-04-16 D62610 63.98NGVD291OUSGSSA
1987-04-16 D62611 62.79NAVD881OUSGSSA
1987-04-16 D7201940.02  1OUSGSSA
1987-05-20 D62610 64.71NGVD291OUSGSSA
1987-05-20 D62611 63.52NAVD881OUSGSSA
1987-05-20 D7201939.29  1OUSGSSA
1987-06-23 D62610 65.19NGVD291OUSGSSA
1987-06-23 D62611 64.00NAVD881OUSGSSA
1987-06-23 D7201938.81  1OUSGSSA
1987-07-22 D62610 64.71NGVD291OUSGSSA
1987-07-22 D62611 63.52NAVD881OUSGSSA
1987-07-22 D7201939.29  1OUSGSSA
1987-08-18 D62610 64.65NGVD291SUSGSSA
1987-08-18 D62611 63.46NAVD881SUSGSSA
1987-08-18 D7201939.35  1SUSGSSA
1987-09-16 D62610 64.50NGVD291OUSGSSA
1987-09-16 D62611 63.31NAVD881OUSGSSA
1987-09-16 D7201939.50  1OUSGSSA
1987-10-15 D62610 63.79NGVD291OUSGSSA
1987-10-15 D62611 62.60NAVD881OUSGSSA
1987-10-15 D7201940.21  1OUSGSSA
1987-11-16 D62610 62.85NGVD291OUSGSSA
1987-11-16 D62611 61.66NAVD881OUSGSSA
1987-11-16 D7201941.15  1OUSGSSA
1987-12-16 D62610 62.11NGVD291OUSGSSA
1987-12-16 D62611 60.92NAVD881OUSGSSA
1987-12-16 D7201941.89  1OUSGSSA
1988-01-22 D62610 61.63NGVD291OUSGSSA
1988-01-22 D62611 60.44NAVD881OUSGSSA
1988-01-22 D7201942.37  1OUSGSSA
1988-02-11 D62610 61.57NGVD291OUSGSSA
1988-02-11 D62611 60.38NAVD881OUSGSSA
1988-02-11 D7201942.43  1OUSGSSA
1988-03-11 D62610 62.08NGVD291OUSGSSA
1988-03-11 D62611 60.89NAVD881OUSGSSA
1988-03-11 D7201941.92  1OUSGSSA
1988-04-11 D62610 62.27NGVD291OUSGSSA
1988-04-11 D62611 61.08NAVD881OUSGSSA
1988-04-11 D7201941.73  1OUSGSSA
1988-05-05 D62610 62.10NGVD291OUSGSSA
1988-05-05 D62611 60.91NAVD881OUSGSSA
1988-05-05 D7201941.90  1OUSGSSA
1988-06-02 D62610 63.10NGVD291OUSGSSA
1988-06-02 D62611 61.91NAVD881OUSGSSA
1988-06-02 D7201940.90  1OUSGSSA
1988-07-07 D62610 62.76NGVD291OUSGSSA
1988-07-07 D62611 61.57NAVD881OUSGSSA
1988-07-07 D7201941.24  1OUSGSSA
1988-08-09 D62610 62.65NGVD291OUSGSSA
1988-08-09 D62611 61.46NAVD881OUSGSSA
1988-08-09 D7201941.35  1OUSGSSA
1988-09-14 D62610 62.30NGVD291OUSGSSA
1988-09-14 D62611 61.11NAVD881OUSGSSA
1988-09-14 D7201941.70  1OUSGSSA
1988-10-14 D62610 62.05NGVD291OUSGSSA
1988-10-14 D62611 60.86NAVD881OUSGSSA
1988-10-14 D7201941.95  1OUSGSSA
1988-11-29 D62610 61.59NGVD291OUSGSSA
1988-11-29 D62611 60.40NAVD881OUSGSSA
1988-11-29 D7201942.41  1OUSGSSA
1988-12-29 D62610 61.27NGVD291OUSGSSA
1988-12-29 D62611 60.08NAVD881OUSGSSA
1988-12-29 D7201942.73  1OUSGSSA
1989-01-25 D62610 60.96NGVD291OUSGSSA
1989-01-25 D62611 59.77NAVD881OUSGSSA
1989-01-25 D7201943.04  1OUSGSSA
1989-02-02 D62610 60.60NGVD291OUSGSSA
1989-02-02 D62611 59.41NAVD881OUSGSSA
1989-02-02 D7201943.40  1OUSGSSA
1989-03-22 D62610 60.27NGVD291OUSGSSA
1989-03-22 D62611 59.08NAVD881OUSGSSA
1989-03-22 D7201943.73  1OUSGSSA
1989-04-26 D62610 61.34NGVD291OUSGSSA
1989-04-26 D62611 60.15NAVD881OUSGSSA
1989-04-26 D7201942.66  1OUSGSSA
1989-05-19 D62610 62.68NGVD291OUSGSSA
1989-05-19 D62611 61.49NAVD881OUSGSSA
1989-05-19 D7201941.32  1OUSGSSA
1989-06-27 D62610 66.02NGVD291OUSGSSA
1989-06-27 D62611 64.83NAVD881OUSGSSA
1989-06-27 D7201937.98  1OUSGSSA
1989-07-24 D62610 67.27NGVD291OUSGSSA
1989-07-24 D62611 66.08NAVD881OUSGSSA
1989-07-24 D7201936.73  1OUSGSSA
1989-08-30 D62610 67.79NGVD291OUSGSSA
1989-08-30 D62611 66.60NAVD881OUSGSSA
1989-08-30 D7201936.21  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.
Method of measurementSSteel-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.