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Groundwater levels for New York

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USGS 404901073443001 N 30. 1

Nassau County, New York
Latitude  40°49'01", Longitude  73°44'30" NAD27
Land-surface elevation 18.9 feet above NGVD29
The depth of the well is 206 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
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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
1946-05-28 D62610 17.00NGVD29POUSGSSA
1946-05-28 D62611 15.92NAVD88POUSGSSA
1946-05-28 D720191.90  POUSGSSA
1946-05-29 D62610 12.40NGVD29POUSGSSA
1946-05-29 D62611 11.32NAVD88POUSGSSA
1946-05-29 D720196.50  POUSGSSA
1954-09-24 D62610 7.68NGVD291OUSGSSA
1954-09-24 D62611 6.60NAVD881OUSGSSA
1954-09-24 D7201911.22  1OUSGSSA
1954-09-27 D62610 3.08NGVD291OUSGSSA
1954-09-27 D62611 2.00NAVD881OUSGSSA
1954-09-27 D7201915.82  1OUSGSSA
1954-11-16 D62610 3.08NGVD291OUSGSSA
1954-11-16 D62611 2.00NAVD881OUSGSSA
1954-11-16 D7201915.82  1OUSGSSA
1954-12-06 D62610 0.78NGVD291OUSGSSA
1954-12-06 D62611 -0.30NAVD881OUSGSSA
1954-12-06 D7201918.12  1OUSGSSA
1955-01-31 D62610 0.79NGVD291OUSGSSA
1955-01-31 D62611 -0.29NAVD881OUSGSSA
1955-01-31 D7201918.11  1OUSGSSA
1970-12-14 D62610 4.81NGVD291OUSGSSA
1970-12-14 D62611 3.73NAVD881OUSGSSA
1970-12-14 D7201914.09  1OUSGSSA
1973-01-18 D62610 4.50NGVD291OUSGSSA
1973-01-18 D62611 3.42NAVD881OUSGSSA
1973-01-18 D7201914.40  1OUSGSSA
1974-01-28 D62610 4.36NGVD291OUSGSSA
1974-01-28 D62611 3.28NAVD881OUSGSSA
1974-01-28 D7201914.54  1OUSGSSA
1975-01-13 D62610 -2.57NGVD291OUSGSSA
1975-01-13 D62611 -3.65NAVD881OUSGSSA
1975-01-13 D7201921.47  1OUSGSSA
1976-01-20 D62610 -16.91NGVD29POUSGSSA
1976-01-20 D62611 -17.99NAVD88POUSGSSA
1976-01-20 D7201935.81  POUSGSSA
1982-01-1509:15 UTCm62610 -1.63NGVD291OUSGSSA
1982-01-1509:15 UTCm62611 -2.71NAVD881OUSGSSA
1982-01-1509:15 UTCm7201920.53  1OUSGSSA
1983-01-0610:57 UTCm62610 -2.45NGVD294OUSGSSA
1983-01-0610:57 UTCm62611 -3.53NAVD884OUSGSSA
1983-01-0610:57 UTCm7201921.35  4OUSGSSA
1984-01-1011:23 UTCm62610 -6.65NGVD294OUSGSSA
1984-01-1011:23 UTCm62611 -7.73NAVD884OUSGSSA
1984-01-1011:23 UTCm7201925.55  4OUSGSSA
1985-01-1412:05 UTCm62610 0.71NGVD294OUSGSSA
1985-01-1412:05 UTCm62611 -0.37NAVD884OUSGSSA
1985-01-1412:05 UTCm7201918.19  4OUSGSSA
1986-02-0411:45 UTCm62610 -1.58NGVD294OUSGSSA
1986-02-0411:45 UTCm62611 -2.66NAVD884OUSGSSA
1986-02-0411:45 UTCm7201920.48  4OUSGSSA
1988-12-2819:40 UTCm62610 -4.51NGVD294OUSGSSA
1988-12-2819:40 UTCm62611 -5.59NAVD884OUSGSSA
1988-12-2819:40 UTCm7201923.41  4OUSGSSA
1991-04-0318:50 UTCm62610 -3.28NGVD294OUSGSSA
1991-04-0318:50 UTCm62611 -4.36NAVD884OUSGSSA
1991-04-0318:50 UTCm7201922.18  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
Status4Groundwater level affected by tide
StatusPPumping
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.