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Groundwater levels for the Nation

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  • 404543073354901
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USGS 404543073354901 N 8007. 1

Nassau County, New York
Latitude  40°45'43", Longitude  73°35'49" NAD27
Land-surface elevation 120.0 feet above NGVD29
The depth of the well is 564 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
1971-03-09 D62610 66.90NGVD291OUSGSSA
1971-03-09 D62611 65.75NAVD881OUSGSSA
1971-03-09 D7201953.10  1OUSGSSA
1972-03-13 D62610 66.74NGVD291OUSGSSA
1972-03-13 D62611 65.59NAVD881OUSGSSA
1972-03-13 D7201953.26  1OUSGSSA
1973-03-20 D62610 71.16NGVD291OUSGSSA
1973-03-20 D62611 70.01NAVD881OUSGSSA
1973-03-20 D7201948.84  1OUSGSSA
1974-03-25 D62610 70.73NGVD291OUSGSSA
1974-03-25 D62611 69.58NAVD881OUSGSSA
1974-03-25 D7201949.27  1OUSGSSA
1975-03-17 D62610 70.46NGVD291OUSGSSA
1975-03-17 D62611 69.31NAVD881OUSGSSA
1975-03-17 D7201949.54  1OUSGSSA
1976-03-16 D62610 75.40NGVD291OUSGSSA
1976-03-16 D62611 74.25NAVD881OUSGSSA
1976-03-16 D7201944.60  1OUSGSSA
1977-03-21 D62610 73.43NGVD291OUSGSSA
1977-03-21 D62611 72.28NAVD881OUSGSSA
1977-03-21 D7201946.57  1OUSGSSA
1978-03-13 D62610 75.96NGVD291OUSGSSA
1978-03-13 D62611 74.81NAVD881OUSGSSA
1978-03-13 D7201944.04  1OUSGSSA
1979-03-15 D62610 76.16NGVD291OUSGSSA
1979-03-15 D62611 75.01NAVD881OUSGSSA
1979-03-15 D7201943.84  1OUSGSSA
1980-03-06 D62610 75.52NGVD291OUSGSSA
1980-03-06 D62611 74.37NAVD881OUSGSSA
1980-03-06 D7201944.48  1OUSGSSA
1981-03-04 D62610 73.61NGVD291OUSGSSA
1981-03-04 D62611 72.46NAVD881OUSGSSA
1981-03-04 D7201946.39  1OUSGSSA
1982-03-0213:10 UTCm62610 70.88NGVD291OUSGSSA
1982-03-0213:10 UTCm62611 69.73NAVD881OUSGSSA
1982-03-0213:10 UTCm7201949.12  1OUSGSSA
1983-03-0413:10 UTCm62610 68.33NGVD291OUSGSSA
1983-03-0413:10 UTCm62611 67.18NAVD881OUSGSSA
1983-03-0413:10 UTCm7201951.67  1OUSGSSA
1984-03-0713:15 UTCm62610 71.62NGVD291OUSGSSA
1984-03-0713:15 UTCm62611 70.47NAVD881OUSGSSA
1984-03-0713:15 UTCm7201948.38  1OUSGSSA
1985-05-0113:43 UTCm62610 73.97NGVD291OUSGSSA
1985-05-0113:43 UTCm62611 72.82NAVD881OUSGSSA
1985-05-0113:43 UTCm7201946.03  1OUSGSSA
1986-07-1512:30 UTCm62610 67.06NGVD291OUSGSSA
1986-07-1512:30 UTCm62611 65.91NAVD881OUSGSSA
1986-07-1512:30 UTCm7201952.94  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.