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Groundwater levels for the Nation

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USGS 405221073300701 N 4400. 2

Nassau County, New York
Latitude  40°51'54", Longitude  73°29'58" NAD27
Land-surface elevation 36.0 feet above NGVD29
The depth of the well is 302 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
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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
1965-02-08 D62610 28.00NGVD291OUSGSSA
1965-02-08 D62611 26.95NAVD881OUSGSSA
1965-02-08 D720198.00  1OUSGSSA
1970-03-06 D62610 29.20NGVD291OUSGSSA
1970-03-06 D62611 28.15NAVD881OUSGSSA
1970-03-06 D720196.80  1OUSGSSA
1971-03-10 D62610 29.87NGVD291OUSGSSA
1971-03-10 D62611 28.82NAVD881OUSGSSA
1971-03-10 D720196.13  1OUSGSSA
1972-03-14 D62610 30.31NGVD291OUSGSSA
1972-03-14 D62611 29.26NAVD881OUSGSSA
1972-03-14 D720195.69  1OUSGSSA
1973-03-21 D62610 30.51NGVD291OUSGSSA
1973-03-21 D62611 29.46NAVD881OUSGSSA
1973-03-21 D720195.49  1OUSGSSA
1974-03-26 D62610 32.79NGVD291OUSGSSA
1974-03-26 D62611 31.74NAVD881OUSGSSA
1974-03-26 D720193.21  1OUSGSSA
1975-03-18 D62610 31.80NGVD291OUSGSSA
1975-03-18 D62611 30.75NAVD881OUSGSSA
1975-03-18 D720194.20  1OUSGSSA
1976-03-19 D62610 32.88NGVD291OUSGSSA
1976-03-19 D62611 31.83NAVD881OUSGSSA
1976-03-19 D720193.12  1OUSGSSA
1977-03-21 D62610 31.54NGVD291OUSGSSA
1977-03-21 D62611 30.49NAVD881OUSGSSA
1977-03-21 D720194.46  1OUSGSSA
1978-03-14 D62610 32.51NGVD291OUSGSSA
1978-03-14 D62611 31.46NAVD881OUSGSSA
1978-03-14 D720193.49  1OUSGSSA
1979-03-13 D62610 33.17NGVD291OUSGSSA
1979-03-13 D62611 32.12NAVD881OUSGSSA
1979-03-13 D720192.83  1OUSGSSA
1980-03-1113:00 UTCm62610 33.20NGVD291OUSGSSA
1980-03-1113:00 UTCm62611 32.15NAVD881OUSGSSA
1980-03-1113:00 UTCm720192.80  1OUSGSSA
1981-03-1113:05 UTCm62610 31.89NGVD291OUSGSSA
1981-03-1113:05 UTCm62611 30.84NAVD881OUSGSSA
1981-03-1113:05 UTCm720194.11  1OUSGSSA
1982-03-0813:15 UTCm62610 30.27NGVD291OUSGSSA
1982-03-0813:15 UTCm62611 29.22NAVD881OUSGSSA
1982-03-0813:15 UTCm720195.73  1OUSGSSA
1983-03-0818:20 UTCm62610 29.93NGVD291OUSGSSA
1983-03-0818:20 UTCm62611 28.88NAVD881OUSGSSA
1983-03-0818:20 UTCm720196.07  1OUSGSSA
1984-03-1218:00 UTCm62610 31.78NGVD291OUSGSSA
1984-03-1218:00 UTCm62611 30.73NAVD881OUSGSSA
1984-03-1218:00 UTCm720194.22  1OUSGSSA
1985-04-1618:05 UTCm62610 33.98NGVD291OUSGSSA
1985-04-1618:05 UTCm62611 32.93NAVD881OUSGSSA
1985-04-1618:05 UTCm720192.02  1OUSGSSA
1985-04-1618:13 UTCm62610 33.94NGVD291OUSGSSA
1985-04-1618:13 UTCm62611 32.89NAVD881OUSGSSA
1985-04-1618:13 UTCm720192.06  1OUSGSSA
1988-05-1017:50 UTCm62610 29.26NGVD291OUSGSSA
1988-05-1017:50 UTCm62611 28.21NAVD881OUSGSSA
1988-05-1017:50 UTCm720196.74  1OUSGSSA
1989-02-1520:00 UTCm62610 28.40NGVD291OUSGSSA
1989-02-1520:00 UTCm62611 27.35NAVD881OUSGSSA
1989-02-1520:00 UTCm720197.60  1OUSGSSA
1990-04-1217:50 UTCm62610 31.60NGVD291OUSGSSA
1990-04-1217:50 UTCm62611 30.55NAVD881OUSGSSA
1990-04-1217:50 UTCm720194.40  1OUSGSSA
1992-04-0115:45 UTCm62610 31.80NGVD294OUSGSSA
1992-04-0115:45 UTCm62611 30.75NAVD884OUSGSSA
1992-04-0115:45 UTCm720194.20  4OUSGSSA
1994-04-2717:28 UTCm62610 29.50NGVD294OUSGSSA
1994-04-2717:28 UTCm62611 28.45NAVD884OUSGSSA
1994-04-2717:28 UTCm720196.50  4OUSGSSA
1995-04-1113:32 UTCm62610 28.48NGVD294OUSGSSA
1995-04-1113:32 UTCm62611 27.43NAVD884OUSGSSA
1995-04-1113:32 UTCm720197.52  4OUSGSSA

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
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.