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Groundwater levels for the Nation

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Agency code = usgs
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  • 404630073293801
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USGS 404630073293801 N 6580. 2

Nassau County, New York
Latitude  40°46'30", Longitude  73°29'38" NAD27
Land-surface elevation 158.0 feet above NGVD29
The depth of the well is 601 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
Graph of data
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
1958-08-01 D62610 83.00NGVD29POUSGSSA
1958-08-01 D62611 81.85NAVD88POUSGSSA
1958-08-01 D7201975.00  POUSGSSA
1964-12-11 D62610 77.03NGVD291OUSGSSA
1964-12-11 D62611 75.88NAVD881OUSGSSA
1964-12-11 D7201980.97  1OUSGSSA
1969-11-18 D62610 75.23NGVD291OUSGSSA
1969-11-18 D62611 74.08NAVD881OUSGSSA
1969-11-18 D7201982.77  1OUSGSSA
1970-03-05 D62610 76.50NGVD291OUSGSSA
1970-03-05 D62611 75.35NAVD881OUSGSSA
1970-03-05 D7201981.50  1OUSGSSA
1972-03-13 D62610 75.83NGVD291OUSGSSA
1972-03-13 D62611 74.68NAVD881OUSGSSA
1972-03-13 D7201982.17  1OUSGSSA
1973-03-20 D62610 81.04NGVD291OUSGSSA
1973-03-20 D62611 79.89NAVD881OUSGSSA
1973-03-20 D7201976.96  1OUSGSSA
1974-03-25 D62610 82.47NGVD291OUSGSSA
1974-03-25 D62611 81.32NAVD881OUSGSSA
1974-03-25 D7201975.53  1OUSGSSA
1975-03-17 D62610 81.08NGVD291OUSGSSA
1975-03-17 D62611 79.93NAVD881OUSGSSA
1975-03-17 D7201976.92  1OUSGSSA
1976-03-16 D62610 84.35NGVD291OUSGSSA
1976-03-16 D62611 83.20NAVD881OUSGSSA
1976-03-16 D7201973.65  1OUSGSSA
1977-03-21 D62610 81.93NGVD291OUSGSSA
1977-03-21 D62611 80.78NAVD881OUSGSSA
1977-03-21 D7201976.07  1OUSGSSA
1978-03-13 D62610 84.99NGVD291OUSGSSA
1978-03-13 D62611 83.84NAVD881OUSGSSA
1978-03-13 D7201973.01  1OUSGSSA
1979-03-19 D62610 86.85NGVD291OUSGSSA
1979-03-19 D62611 85.70NAVD881OUSGSSA
1979-03-19 D7201971.15  1OUSGSSA
1980-03-0616:20 UTCm62610 85.32NGVD291OUSGSSA
1980-03-0616:20 UTCm62611 84.17NAVD881OUSGSSA
1980-03-0616:20 UTCm7201972.68  1OUSGSSA
1981-03-0216:30 UTCm62610 83.18NGVD291OUSGSSA
1981-03-0216:30 UTCm62611 82.03NAVD881OUSGSSA
1981-03-0216:30 UTCm7201974.82  1OUSGSSA
1982-03-0118:10 UTCm62610 80.41NGVD291OUSGSSA
1982-03-0118:10 UTCm62611 79.26NAVD881OUSGSSA
1982-03-0118:10 UTCm7201977.59  1OUSGSSA
1983-03-0215:25 UTCm62610 77.88NGVD291OUSGSSA
1983-03-0215:25 UTCm62611 76.73NAVD881OUSGSSA
1983-03-0215:25 UTCm7201980.12  1OUSGSSA
1986-04-17 D62610 78.10NGVD291OUSGSSA
1986-04-17 D62611 76.95NAVD881OUSGSSA
1986-04-17 D7201979.90  1OUSGSSA
1988-05-1717:03 UTCm62610 72.11NGVD291OUSGSSA
1988-05-1717:03 UTCm62611 70.96NAVD881OUSGSSA
1988-05-1717:03 UTCm7201985.89  1OUSGSSA
1994-05-0613:10 UTCm62610 72.47NGVD291OUSGSSA
1994-05-0613:10 UTCm62611 71.32NAVD881OUSGSSA
1994-05-0613:10 UTCm7201985.53  1OUSGSSA
1995-04-1219:36 UTCm62610 71.59NGVD291OUSGSSA
1995-04-1219:36 UTCm62611 70.44NAVD881OUSGSSA
1995-04-1219:36 UTCm7201986.41  1OUSGSSA
1997-04-2318:30 UTCm62610 73.61NGVD291OUSGSSA
1997-04-2318:30 UTCm62611 72.46NAVD881OUSGSSA
1997-04-2318:30 UTCm7201984.39  1OUSGSSA
2005-03-3116:15 UTCm62610 74.34NGVD291SUSGSSA
2005-03-3116:15 UTCm62611 73.19NAVD881SUSGSSA
2005-03-3116:15 UTCm7201983.66  1SUSGSSA
2006-03-3018:15 UTCm62610 77.65NGVD291SUSGSSA
2006-03-3018:15 UTCm62611 76.50NAVD881SUSGSSA
2006-03-3018:15 UTCm7201980.35  1SUSGSSA
2007-04-0215:00 UTCm62610 79.45NGVD291SUSGSSA
2007-04-0215:00 UTCm62611 78.30NAVD881SUSGSSA
2007-04-0215:00 UTCm7201978.55  1SUSGSSA
2008-04-1517:20 UTCm62610 79.90NGVD291SUSGSSA
2008-04-1517:20 UTCm62611 78.75NAVD881SUSGSSA
2008-04-1517:20 UTCm7201978.10  1SUSGSSA
2009-04-0617:03 UTCm62610 79.38NGVD291SUSGSSA
2009-04-0617:03 UTCm62611 78.23NAVD881SUSGSSA
2009-04-0617:03 UTCm7201978.62  1SUSGSSA
2010-04-1416:37 UTCm62610 80.46NGVD291TUSGSSA
2010-04-1416:37 UTCm62611 79.31NAVD881TUSGSSA
2010-04-1416:37 UTCm7201977.54  1TUSGSSA

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
StatusPPumping
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.