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Groundwater levels for the Nation

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USGS 404620073383401 N 9712. 1

Nassau County, New York
Latitude  40°46'20", Longitude  73°38'34" NAD27
Land-surface elevation 135.0 feet above NGVD29
The depth of the well is 154 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 Glacial Aquifer, Upper (112GLCLU) local aquifer.
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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
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Method of
measurement
?
 
Measuring
agency
?
 
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measurement
?
 
Water-level
approval
status
1980-09-0318:41 UTCm62610 65.33NGVD291OUSGSSA
1980-09-0318:41 UTCm62611 64.21NAVD881OUSGSSA
1980-09-0318:41 UTCm7201969.67  1OUSGSSA
1980-12-1718:45 UTCm62610 64.80NGVD291OUSGSSA
1980-12-1718:45 UTCm62611 63.68NAVD881OUSGSSA
1980-12-1718:45 UTCm7201970.20  1OUSGSSA
1981-03-0616:36 UTCm62610 65.33NGVD291OUSGSSA
1981-03-0616:36 UTCm62611 64.21NAVD881OUSGSSA
1981-03-0616:36 UTCm7201969.67  1OUSGSSA
1981-06-0319:03 UTCm62610 63.70NGVD291OUSGSSA
1981-06-0319:03 UTCm62611 62.58NAVD881OUSGSSA
1981-06-0319:03 UTCm7201971.30  1OUSGSSA
1981-09-0319:11 UTCm62610 60.42NGVD291OUSGSSA
1981-09-0319:11 UTCm62611 59.30NAVD881OUSGSSA
1981-09-0319:11 UTCm7201974.58  1OUSGSSA
1981-12-3115:40 UTCm62610 60.35NGVD291OUSGSSA
1981-12-3115:40 UTCm62611 59.23NAVD881OUSGSSA
1981-12-3115:40 UTCm7201974.65  1OUSGSSA
1982-03-1515:15 UTCm62610 61.08NGVD291OUSGSSA
1982-03-1515:15 UTCm62611 59.96NAVD881OUSGSSA
1982-03-1515:15 UTCm7201973.92  1OUSGSSA
1982-06-2416:50 UTCm62610 61.01NGVD291OUSGSSA
1982-06-2416:50 UTCm62611 59.89NAVD881OUSGSSA
1982-06-2416:50 UTCm7201973.99  1OUSGSSA
1982-09-0714:50 UTCm62610 60.40NGVD291OUSGSSA
1982-09-0714:50 UTCm62611 59.28NAVD881OUSGSSA
1982-09-0714:50 UTCm7201974.60  1OUSGSSA
1982-12-1518:33 UTCm62610 59.31NGVD291OUSGSSA
1982-12-1518:33 UTCm62611 58.19NAVD881OUSGSSA
1982-12-1518:33 UTCm7201975.69  1OUSGSSA
1983-04-0519:14 UTCm62610 59.11NGVD291OUSGSSA
1983-04-0519:14 UTCm62611 57.99NAVD881OUSGSSA
1983-04-0519:14 UTCm7201975.89  1OUSGSSA
1983-06-1515:45 UTCm62610 60.91NGVD291OUSGSSA
1983-06-1515:45 UTCm62611 59.79NAVD881OUSGSSA
1983-06-1515:45 UTCm7201974.09  1OUSGSSA
1983-08-05 D62610 60.73NGVD291OUSGSSA
1983-08-05 D62611 59.61NAVD881OUSGSSA
1983-08-05 D7201974.27  1OUSGSSA
1984-04-1218:05 UTCm62610 62.22NGVD291OUSGSSA
1984-04-1218:05 UTCm62611 61.10NAVD881OUSGSSA
1984-04-1218:05 UTCm7201972.78  1OUSGSSA
1987-10-0114:30 UTCm62610 59.97NGVD291OUSGSSA
1987-10-0114:30 UTCm62611 58.85NAVD881OUSGSSA
1987-10-0114:30 UTCm7201975.03  1OUSGSSA
1990-03-2714:35 UTCm62610 63.11NGVD291OUSGSSA
1990-03-2714:35 UTCm62611 61.99NAVD881OUSGSSA
1990-03-2714:35 UTCm7201971.89  1OUSGSSA
1991-10-3115:35 UTCm62610 64.44NGVD291OUSGSSA
1991-10-3115:35 UTCm62611 63.32NAVD881OUSGSSA
1991-10-3115:35 UTCm7201970.56  1OUSGSSA
1992-06-0315:45 UTCm62610 62.73NGVD291OUSGSSA
1992-06-0315:45 UTCm62611 61.61NAVD881OUSGSSA
1992-06-0315:45 UTCm7201972.27  1OUSGSSA
1992-12-0315:23 UTCm62610 61.29NGVD291OUSGSSA
1992-12-0315:23 UTCm62611 60.17NAVD881OUSGSSA
1992-12-0315:23 UTCm7201973.71  1OUSGSSA
1993-06-2214:25 UTCm62610 61.59NGVD291OUSGSSA
1993-06-2214:25 UTCm62611 60.47NAVD881OUSGSSA
1993-06-2214:25 UTCm7201973.41  1OUSGSSA
1993-12-2919:26 UTCm62610 60.27NGVD291OUSGSSA
1993-12-2919:26 UTCm62611 59.15NAVD881OUSGSSA
1993-12-2919:26 UTCm7201974.73  1OUSGSSA
1994-06-0715:05 UTCm62610 61.03NGVD291OUSGSSA
1994-06-0715:05 UTCm62611 59.91NAVD881OUSGSSA
1994-06-0715:05 UTCm7201973.97  1OUSGSSA
1994-12-1414:28 UTCm62610 59.90NGVD291OUSGSSA
1994-12-1414:28 UTCm62611 58.78NAVD881OUSGSSA
1994-12-1414:28 UTCm7201975.10  1OUSGSSA
1995-06-1312:11 UTCm62610 58.80NGVD291OUSGSSA
1995-06-1312:11 UTCm62611 57.68NAVD881OUSGSSA
1995-06-1312:11 UTCm7201976.20  1OUSGSSA
1995-12-0514:10 UTCm62610 57.27NGVD291OUSGSSA
1995-12-0514:10 UTCm62611 56.15NAVD881OUSGSSA
1995-12-0514:10 UTCm7201977.73  1OUSGSSA
1996-03-2117:01 UTCm62610 57.31NGVD291OUSGSSA
1996-03-2117:01 UTCm62611 56.19NAVD881OUSGSSA
1996-03-2117:01 UTCm7201977.69  1OUSGSSA
1996-05-1512:26 UTCm62610 57.94NGVD291OUSGSSA
1996-05-1512:26 UTCm62611 56.82NAVD881OUSGSSA
1996-05-1512:26 UTCm7201977.06  1OUSGSSA
1996-09-1014:05 UTCm62610 57.70NGVD291OUSGSSA
1996-09-1014:05 UTCm62611 56.58NAVD881OUSGSSA
1996-09-1014:05 UTCm7201977.30  1OUSGSSA
1996-12-1213:49 UTCm62610 59.16NGVD291OUSGSSA
1996-12-1213:49 UTCm62611 58.04NAVD881OUSGSSA
1996-12-1213:49 UTCm7201975.84  1OUSGSSA

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
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.