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Groundwater levels for the Nation

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USGS 405126073421002 N 9446. 2

Nassau County, New York
Latitude  40°51'27", Longitude  73°42'10" NAD27
Land-surface elevation 97.0 feet above NGVD29
The depth of the well is 373 feet below land surface.
The depth of the hole is 383 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.
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
1982-01-0815:10 UTCm62610 6.59NGVD291OUSGSSA
1982-01-0815:10 UTCm62611 5.50NAVD881OUSGSSA
1982-01-0815:10 UTCm7201990.41  1OUSGSSA
1982-01-0815:15 UTCm62610 6.62NGVD291OUSGSSA
1982-01-0815:15 UTCm62611 5.53NAVD881OUSGSSA
1982-01-0815:15 UTCm7201990.38  1OUSGSSA
1983-01-1114:30 UTCm62610 5.42NGVD291OUSGSSA
1983-01-1114:30 UTCm62611 4.33NAVD881OUSGSSA
1983-01-1114:30 UTCm7201991.58  1OUSGSSA
1983-01-1415:59 UTCm62610 5.66NGVD294OUSGSSA
1983-01-1415:59 UTCm62611 4.57NAVD884OUSGSSA
1983-01-1415:59 UTCm7201991.34  4OUSGSSA
1984-01-0416:50 UTCm62610 7.12NGVD294OUSGSSA
1984-01-0416:50 UTCm62611 6.03NAVD884OUSGSSA
1984-01-0416:50 UTCm7201989.88  4OUSGSSA
1985-01-0815:49 UTCm62610 7.44NGVD294OUSGSSA
1985-01-0815:49 UTCm62611 6.35NAVD884OUSGSSA
1985-01-0815:49 UTCm7201989.56  4OUSGSSA
1986-01-2717:30 UTCm62610 6.14NGVD294OUSGSSA
1986-01-2717:30 UTCm62611 5.05NAVD884OUSGSSA
1986-01-2717:30 UTCm7201990.86  4OUSGSSA
1988-12-2718:30 UTCm62610 5.65NGVD294OUSGSSA
1988-12-2718:30 UTCm62611 4.56NAVD884OUSGSSA
1988-12-2718:30 UTCm7201991.35  4OUSGSSA
1990-03-2917:10 UTCm62610 6.57NGVD294OUSGSSA
1990-03-2917:10 UTCm62611 5.48NAVD884OUSGSSA
1990-03-2917:10 UTCm7201990.43  4OUSGSSA
1991-04-0218:22 UTCm62610 7.15NGVD294OUSGSSA
1991-04-0218:22 UTCm62611 6.06NAVD884OUSGSSA
1991-04-0218:22 UTCm7201989.85  4OUSGSSA
1992-03-1714:25 UTCm62610 6.14NGVD294OUSGSSA
1992-03-1714:25 UTCm62611 5.05NAVD884OUSGSSA
1992-03-1714:25 UTCm7201990.86  4OUSGSSA
1993-04-0816:40 UTCm62610 7.48NGVD294OUSGSSA
1993-04-0816:40 UTCm62611 6.39NAVD884OUSGSSA
1993-04-0816:40 UTCm7201989.52  4OUSGSSA
1994-04-2818:13 UTCm62610 -0.09NGVD294OUSGSSA
1994-04-2818:13 UTCm62611 -1.18NAVD884OUSGSSA
1994-04-2818:13 UTCm7201997.09  4OUSGSSA
1995-05-0519:55 UTCm62610 6.20NGVD294OUSGSSA
1995-05-0519:55 UTCm62611 5.11NAVD884OUSGSSA
1995-05-0519:55 UTCm7201990.80  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
Status4GWTideAffected
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.