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Groundwater levels for the Nation

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USGS 405124073421002 N 8766. 2

Nassau County, New York
Latitude  40°51'24", Longitude  73°42'10" NAD27
Land-surface elevation 92.5 feet above NGVD29
The depth of the well is 362 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 Port Washington Aquifer (112PGQF) local aquifer.
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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
1982-01-0816:01 UTCm62610 6.70NGVD294OUSGSSA
1982-01-0816:01 UTCm62611 5.61NAVD884OUSGSSA
1982-01-0816:01 UTCm7201985.80  4OUSGSSA
1983-01-1115:00 UTCm62610 5.21NGVD294OUSGSSA
1983-01-1115:00 UTCm62611 4.12NAVD884OUSGSSA
1983-01-1115:00 UTCm7201987.29  4OUSGSSA
1983-01-1416:00 UTCm62610 5.80NGVD294OUSGSSA
1983-01-1416:00 UTCm62611 4.71NAVD884OUSGSSA
1983-01-1416:00 UTCm7201986.70  4OUSGSSA
1984-01-0416:35 UTCm62610 7.32NGVD294OUSGSSA
1984-01-0416:35 UTCm62611 6.23NAVD884OUSGSSA
1984-01-0416:35 UTCm7201985.18  4OUSGSSA
1984-01-0416:38 UTCm62610 7.31NGVD294OUSGSSA
1984-01-0416:38 UTCm62611 6.22NAVD884OUSGSSA
1984-01-0416:38 UTCm7201985.19  4OUSGSSA
1985-01-0815:44 UTCm62610 7.64NGVD294OUSGSSA
1985-01-0815:44 UTCm62611 6.55NAVD884OUSGSSA
1985-01-0815:44 UTCm7201984.86  4OUSGSSA
1986-01-2717:20 UTCm62610 6.14NGVD294OUSGSSA
1986-01-2717:20 UTCm62611 5.05NAVD884OUSGSSA
1986-01-2717:20 UTCm7201986.36  4OUSGSSA
1986-10-2016:20 UTCm62610 4.91NGVD291OUSGSSA
1986-10-2016:20 UTCm62611 3.82NAVD881OUSGSSA
1986-10-2016:20 UTCm7201987.59  1OUSGSSA
1987-01-2814:40 UTCm62610 6.22NGVD294OUSGSSA
1987-01-2814:40 UTCm62611 5.13NAVD884OUSGSSA
1987-01-2814:40 UTCm7201986.28  4OUSGSSA
1988-02-1615:50 UTCm62610 6.83NGVD294OUSGSSA
1988-02-1615:50 UTCm62611 5.74NAVD884OUSGSSA
1988-02-1615:50 UTCm7201985.67  4OUSGSSA
1988-12-2718:20 UTCm62610 5.75NGVD294OUSGSSA
1988-12-2718:20 UTCm62611 4.66NAVD884OUSGSSA
1988-12-2718:20 UTCm7201986.75  4OUSGSSA
1990-03-2917:00 UTCm62610 6.67NGVD294OUSGSSA
1990-03-2917:00 UTCm62611 5.58NAVD884OUSGSSA
1990-03-2917:00 UTCm7201985.83  4OUSGSSA
1991-04-0218:35 UTCm62610 6.20NGVD294OUSGSSA
1991-04-0218:35 UTCm62611 5.11NAVD884OUSGSSA
1991-04-0218:35 UTCm7201986.30  4OUSGSSA
1991-11-0414:46 UTCm62610 5.86NGVD291OUSGSSA
1991-11-0414:46 UTCm62611 4.77NAVD881OUSGSSA
1991-11-0414:46 UTCm7201986.64  1OUSGSSA
1992-03-1613:44 UTCm62610 6.15NGVD294OUSGSSA
1992-03-1613:44 UTCm62611 5.06NAVD884OUSGSSA
1992-03-1613:44 UTCm7201986.35  4OUSGSSA
1992-03-1714:00 UTCm62610 6.22NGVD294OUSGSSA
1992-03-1714:00 UTCm62611 5.13NAVD884OUSGSSA
1992-03-1714:00 UTCm7201986.28  4OUSGSSA
1992-05-2813:46 UTCm62610 3.86NGVD294OUSGSSA
1992-05-2813:46 UTCm62611 2.77NAVD884OUSGSSA
1992-05-2813:46 UTCm7201988.64  4OUSGSSA
1992-12-0916:00 UTCm62610 5.87NGVD294OUSGSSA
1992-12-0916:00 UTCm62611 4.78NAVD884OUSGSSA
1992-12-0916:00 UTCm7201986.63  4OUSGSSA
1993-03-2618:34 UTCm62610 6.97NGVD294OUSGSSA
1993-03-2618:34 UTCm62611 5.88NAVD884OUSGSSA
1993-03-2618:34 UTCm7201985.53  4OUSGSSA
1993-04-0715:33 UTCm62610 7.53NGVD294OUSGSSA
1993-04-0715:33 UTCm62611 6.44NAVD884OUSGSSA
1993-04-0715:33 UTCm7201984.97  4OUSGSSA
1994-04-2818:24 UTCm62610 0.70NGVD294OUSGSSA
1994-04-2818:24 UTCm62611 -0.39NAVD884OUSGSSA
1994-04-2818:24 UTCm7201991.80  4OUSGSSA
1995-05-0519:42 UTCm62610 6.32NGVD294OUSGSSA
1995-05-0519:42 UTCm62611 5.23NAVD884OUSGSSA
1995-05-0519:42 UTCm7201986.18  4OUSGSSA

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
Status4Groundwater level affected by tide
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.