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Groundwater levels for the Nation

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USGS 404347073362802 N 9766. 1

Nassau County, New York
Latitude  40°43'47", Longitude  73°36'28" NAD27
Land-surface elevation 77.0 feet above NGVD29
The depth of the well is 99 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
1980-12-1819:50 UTCm62610 56.22NGVD291OUSGSSA
1980-12-1819:50 UTCm62611 55.06NAVD881OUSGSSA
1980-12-1819:50 UTCm7201920.78  1OUSGSSA
1981-03-1123:53 UTCm62610 56.40NGVD291OUSGSSA
1981-03-1123:53 UTCm62611 55.24NAVD881OUSGSSA
1981-03-1123:53 UTCm7201920.60  1OUSGSSA
1981-06-0816:35 UTCm62610 54.72NGVD291OUSGSSA
1981-06-0816:35 UTCm62611 53.56NAVD881OUSGSSA
1981-06-0816:35 UTCm7201922.28  1OUSGSSA
1981-10-1614:08 UTCm62610 53.85NGVD291OUSGSSA
1981-10-1614:08 UTCm62611 52.69NAVD881OUSGSSA
1981-10-1614:08 UTCm7201923.15  1OUSGSSA
1982-01-1218:34 UTCm62610 52.63NGVD291OUSGSSA
1982-01-1218:34 UTCm62611 51.47NAVD881OUSGSSA
1982-01-1218:34 UTCm7201924.37  1OUSGSSA
1982-03-2216:18 UTCm62610 54.50NGVD291OUSGSSA
1982-03-2216:18 UTCm62611 53.34NAVD881OUSGSSA
1982-03-2216:18 UTCm7201922.50  1OUSGSSA
1982-04-1414:37 UTCm62610 54.47NGVD291OUSGSSA
1982-04-1414:37 UTCm62611 53.31NAVD881OUSGSSA
1982-04-1414:37 UTCm7201922.53  1OUSGSSA
1982-07-0918:12 UTCm62610 54.57NGVD291OUSGSSA
1982-07-0918:12 UTCm62611 53.41NAVD881OUSGSSA
1982-07-0918:12 UTCm7201922.43  1OUSGSSA
1982-08-1914:38 UTCm62610 53.71NGVD291OUSGSSA
1982-08-1914:38 UTCm62611 52.55NAVD881OUSGSSA
1982-08-1914:38 UTCm7201923.29  1OUSGSSA
1982-09-1018:57 UTCm62610 53.23NGVD291OUSGSSA
1982-09-1018:57 UTCm62611 52.07NAVD881OUSGSSA
1982-09-1018:57 UTCm7201923.77  1OUSGSSA
1982-12-1416:50 UTCm62610 51.66NGVD291OUSGSSA
1982-12-1416:50 UTCm62611 50.50NAVD881OUSGSSA
1982-12-1416:50 UTCm7201925.34  1OUSGSSA
1983-03-3114:20 UTCm62610 53.11NGVD291OUSGSSA
1983-03-3114:20 UTCm62611 51.95NAVD881OUSGSSA
1983-03-3114:20 UTCm7201923.89  1OUSGSSA
1983-04-1218:06 UTCm62610 54.70NGVD291OUSGSSA
1983-04-1218:06 UTCm62611 53.54NAVD881OUSGSSA
1983-04-1218:06 UTCm7201922.30  1OUSGSSA
1983-04-1418:49 UTCm62610 53.56NGVD291OUSGSSA
1983-04-1418:49 UTCm62611 52.40NAVD881OUSGSSA
1983-04-1418:49 UTCm7201923.44  1OUSGSSA
1983-08-3118:21 UTCm62610 53.54NGVD291OUSGSSA
1983-08-3118:21 UTCm62611 52.38NAVD881OUSGSSA
1983-08-3118:21 UTCm7201923.46  1OUSGSSA

Explanation
SectionCodeDescription
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.