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Groundwater levels for the Nation

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USGS 404253073330602 N 10781. 1

Nassau County, New York
Latitude  40°42'53", Longitude  73°33'06" NAD27
Land-surface elevation 76.5 feet above NGVD29
The depth of the well is 61 feet below land surface.
Output formats
Table of 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
1987-03-1218:05 UTCm62610 48.06NGVD291OUSGSSA
1987-03-1218:05 UTCm62611 46.89NAVD881OUSGSSA
1987-03-1218:05 UTCm7201928.44  1OUSGSSA
1987-05-2119:45 UTCm62610 48.74NGVD291OUSGSSA
1987-05-2119:45 UTCm62611 47.57NAVD881OUSGSSA
1987-05-2119:45 UTCm7201927.76  1OUSGSSA
1987-07-2812:40 UTCm62610 47.40NGVD291OUSGSSA
1987-07-2812:40 UTCm62611 46.23NAVD881OUSGSSA
1987-07-2812:40 UTCm7201929.10  1OUSGSSA
1990-08-17 D62610 50.07NGVD291OUSGSSA
1990-08-17 D62611 48.90NAVD881OUSGSSA
1990-08-17 D7201926.43  1OUSGSSA
1990-10-31 D62610 51.48NGVD291OUSGSSA
1990-10-31 D62611 50.31NAVD881OUSGSSA
1990-10-31 D7201925.02  1OUSGSSA
1991-03-2220:35 UTCm62610 50.99NGVD291OUSGSSA
1991-03-2220:35 UTCm62611 49.82NAVD881OUSGSSA
1991-03-2220:35 UTCm7201925.51  1OUSGSSA
1991-06-2513:40 UTCm62610 50.19NGVD291OUSGSSA
1991-06-2513:40 UTCm62611 49.02NAVD881OUSGSSA
1991-06-2513:40 UTCm7201926.31  1OUSGSSA
1991-10-2117:20 UTCm62610 48.58NGVD291OUSGSSA
1991-10-2117:20 UTCm62611 47.41NAVD881OUSGSSA
1991-10-2117:20 UTCm7201927.92  1OUSGSSA
1992-03-1616:10 UTCm62610 47.35NGVD291OUSGSSA
1992-03-1616:10 UTCm62611 46.18NAVD881OUSGSSA
1992-03-1616:10 UTCm7201929.15  1OUSGSSA
1992-06-3018:45 UTCm62610 46.75NGVD291OUSGSSA
1992-06-3018:45 UTCm62611 45.58NAVD881OUSGSSA
1992-06-3018:45 UTCm7201929.75  1OUSGSSA
1993-03-2320:10 UTCm62610 47.37NGVD291OUSGSSA
1993-03-2320:10 UTCm62611 46.20NAVD881OUSGSSA
1993-03-2320:10 UTCm7201929.13  1OUSGSSA
1994-03-3016:30 UTCm62610 46.67NGVD291OUSGSSA
1994-03-3016:30 UTCm62611 45.50NAVD881OUSGSSA
1994-03-3016:30 UTCm7201929.83  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.