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Groundwater levels for New York

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Agency code = usgs
site_no list =
  • 404850073344501
Minimum number of levels = 1
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USGS 404850073344501 N 3475. 1

Nassau County, New York
Latitude  40°48'49", Longitude  73°34'45" NAD27
Land-surface elevation 208.0 feet above NGVD29
The depth of the well is 487 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.
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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
1955-12-15 D62610 84.03NGVD291OUSGSSA
1955-12-15 D62611 82.95NAVD881OUSGSSA
1955-12-15 D72019123.97  1OUSGSSA
1959-02-17 D62610 85.06NGVD291OUSGSSA
1959-02-17 D62611 83.98NAVD881OUSGSSA
1959-02-17 D72019122.94  1OUSGSSA
1961-03-14 D62610 85.65NGVD291OUSGSSA
1961-03-14 D62611 84.57NAVD881OUSGSSA
1961-03-14 D72019122.35  1OUSGSSA
1970-03-06 D62610 71.09NGVD291OUSGSSA
1970-03-06 D62611 70.01NAVD881OUSGSSA
1970-03-06 D72019136.91  1OUSGSSA
1971-03-25 D62610 73.21NGVD291OUSGSSA
1971-03-25 D62611 72.13NAVD881OUSGSSA
1971-03-25 D72019134.79  1OUSGSSA
1972-03-14 D62610 72.82NGVD291OUSGSSA
1972-03-14 D62611 71.74NAVD881OUSGSSA
1972-03-14 D72019135.18  1OUSGSSA
1973-03-21 D62610 74.78NGVD291OUSGSSA
1973-03-21 D62611 73.70NAVD881OUSGSSA
1973-03-21 D72019133.22  1OUSGSSA
1974-03-25 D62610 75.36NGVD291OUSGSSA
1974-03-25 D62611 74.28NAVD881OUSGSSA
1974-03-25 D72019132.64  1OUSGSSA
1975-03-18 D62610 76.57NGVD291OUSGSSA
1975-03-18 D62611 75.49NAVD881OUSGSSA
1975-03-18 D72019131.43  1OUSGSSA
1976-03-19 D62610 81.91NGVD291OUSGSSA
1976-03-19 D62611 80.83NAVD881OUSGSSA
1976-03-19 D72019126.09  1OUSGSSA
1977-03-29 D62610 82.70NGVD291OUSGSSA
1977-03-29 D62611 81.62NAVD881OUSGSSA
1977-03-29 D72019125.30  1OUSGSSA
1978-03-14 D62610 82.36NGVD291OUSGSSA
1978-03-14 D62611 81.28NAVD881OUSGSSA
1978-03-14 D72019125.64  1OUSGSSA
1979-03-15 D62610 83.10NGVD291OUSGSSA
1979-03-15 D62611 82.02NAVD881OUSGSSA
1979-03-15 D72019124.90  1OUSGSSA
1980-03-13 D62610 84.05NGVD291OUSGSSA
1980-03-13 D62611 82.97NAVD881OUSGSSA
1980-03-13 D72019123.95  1OUSGSSA
1981-03-10 D62610 83.18NGVD291OUSGSSA
1981-03-10 D62611 82.10NAVD881OUSGSSA
1981-03-10 D72019124.82  1OUSGSSA
1988-05-1313:20 UTCm62610 72.09NGVD29POUSGSSA
1988-05-1313:20 UTCm62611 71.01NAVD88POUSGSSA
1988-05-1313:20 UTCm72019135.91  POUSGSSA
1989-03-1416:05 UTCm62610 73.68NGVD291OUSGSSA
1989-03-1416:05 UTCm62611 72.60NAVD881OUSGSSA
1989-03-1416:05 UTCm72019134.32  1OUSGSSA
1990-04-0614:00 UTCm62610 76.66NGVD29POUSGSSA
1990-04-0614:00 UTCm62611 75.58NAVD88POUSGSSA
1990-04-0614:00 UTCm72019131.34  POUSGSSA
1991-04-0314:45 UTCm62610 82.26NGVD291OUSGSSA
1991-04-0314:45 UTCm62611 81.18NAVD881OUSGSSA
1991-04-0314:45 UTCm72019125.74  1OUSGSSA
1992-03-2415:20 UTCm62610 76.69NGVD291OUSGSSA
1992-03-2415:20 UTCm62611 75.61NAVD881OUSGSSA
1992-03-2415:20 UTCm72019131.31  1OUSGSSA
1993-04-1314:40 UTCm62610 73.77NGVD291OUSGSSA
1993-04-1314:40 UTCm62611 72.69NAVD881OUSGSSA
1993-04-1314:40 UTCm72019134.23  1OUSGSSA
1994-04-1214:21 UTCm62610 71.89NGVD291OUSGSSA
1994-04-1214:21 UTCm62611 70.81NAVD881OUSGSSA
1994-04-1214:21 UTCm72019136.11  1OUSGSSA
1995-04-1114:57 UTCm62610 73.60NGVD291OUSGSSA
1995-04-1114:57 UTCm62611 72.52NAVD881OUSGSSA
1995-04-1114:57 UTCm72019134.40  1OUSGSSA
1997-04-3017:30 UTCm62610 71.95NGVD291OUSGSSA
1997-04-3017:30 UTCm62611 70.87NAVD881OUSGSSA
1997-04-3017:30 UTCm72019136.05  1OUSGSSA
2005-03-3116:30 UTCm62610 71.53NGVD291SUSGSSA
2005-03-3116:30 UTCm62611 70.45NAVD881SUSGSSA
2005-03-3116:30 UTCm72019136.47  1SUSGSSA
2006-03-3016:50 UTCm62610 74.19NGVD291SUSGSSA
2006-03-3016:50 UTCm62611 73.11NAVD881SUSGSSA
2006-03-3016:50 UTCm72019133.81  1SUSGSSA
2007-04-0316:35 UTCm62610 76.71NGVD291SUSGSSA
2007-04-0316:35 UTCm62611 75.63NAVD881SUSGSSA
2007-04-0316:35 UTCm72019131.29  1SUSGSSA
2008-04-1516:38 UTCm62610 76.45NGVD291SUSGSSA
2008-04-1516:38 UTCm62611 75.37NAVD881SUSGSSA
2008-04-1516:38 UTCm72019131.55  1SUSGSSA
2009-04-0615:46 UTCm62610 78.93NGVD291SUSGSSA
2009-04-0615:46 UTCm62611 77.85NAVD881SUSGSSA
2009-04-0615:46 UTCm72019129.07  1SUSGSSA
2010-04-1315:07 UTCm62610 78.06NGVD291SUSGSSA
2010-04-1315:07 UTCm62611 76.98NAVD881SUSGSSA
2010-04-1315:07 UTCm72019129.94  1SUSGSSA
2013-04-2515:43 UTCm62610 77.06NGVD291S  A
2013-04-2515:43 UTCm62611 75.98NAVD881S  A
2013-04-2515:43 UTCm72019130.94  1S  A
2014-04-1016:21 UTCm62610 71.78NGVD291S  A
2014-04-1016:21 UTCm62611 70.70NAVD881S  A
2014-04-1016:21 UTCm72019136.22  1S  A
2015-04-1016:21 UTCm62610 76.72NGVD291SUSGSSA
2015-04-1016:21 UTCm62611 75.64NAVD881SUSGSSA
2015-04-1016:21 UTCm72019131.28  1SUSGSSA
2016-04-1816:20 UTCm62610 75.17NGVD291SUSGSSA
2016-04-1816:20 UTCm62611 74.09NAVD881SUSGSSA
2016-04-1816:20 UTCm72019132.83  1SUSGSSA
2017-04-1116:10 UTCm62610 72.26NGVD291SUSGSSA
2017-04-1116:10 UTCm62611 71.18NAVD881SUSGSSA
2017-04-1116:10 UTCm72019135.74  1SUSGSSA
2018-04-1015:20 UTCm62610 71.31NGVD291SUSGSSA
2018-04-1015:20 UTCm62611 70.23NAVD881SUSGSSA
2018-04-1015:20 UTCm72019136.69  1SUSGSSA
2019-04-0916:00 UTCm62610 73.57NGVD291SUSGSSA
2019-04-0916:00 UTCm62611 72.49NAVD881SUSGSSA
2019-04-0916:00 UTCm72019134.43  1SUSGSSA
2020-09-3015:00 UTCm62610 76.89NGVD291VUSGSSA
2020-09-3015:00 UTCm62611 75.81NAVD881VUSGSSA
2020-09-3015:00 UTCm72019131.11  1VUSGSSA
2021-04-2115:30 UTCm62610 77.18NGVD291VUSGSSA
2021-04-2115:30 UTCm62611 76.10NAVD881VUSGSSA
2021-04-2115:30 UTCm72019130.82  1VUSGSSA
2022-05-1115:30 UTCm62610 77.98NGVD291SUSGSSA
2022-05-1115:30 UTCm62611 76.90NAVD881SUSGSSA
2022-05-1115:30 UTCm72019130.02  1SUSGSSA
2023-04-1315:53 UTCm62610 77.34NGVD291VUSGSSA
2023-04-1315:53 UTCm62611 76.26NAVD881VUSGSSA
2023-04-1315:53 UTCm72019130.66  1VUSGSSA
2024-05-0815:51 UTCm62610 77.91NGVD291VUSGSSP
2024-05-0815:51 UTCm62611 76.83NAVD881VUSGSSP
2024-05-0815:51 UTCm72019130.09  1VUSGSSP

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 measurementVCalibrated electric-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.
Water-level approval statusPProvisional data subject to revision.