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Groundwater levels for the Nation

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USGS 404406073193401 S 37861. 1

Suffolk County, New York
Latitude  40°44'02", Longitude  73°19'29" NAD27
Land-surface elevation 41.8 feet above NGVD29
The depth of the well is 636 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
1978-03-1319:30 UTCm62610 29.86NGVD29POUSGSSA
1978-03-1319:30 UTCm62611 28.69NAVD88POUSGSSA
1978-03-1319:30 UTCm7201911.94  POUSGSSA
1979-03-1914:40 UTCm62610 29.64NGVD29POUSGSSA
1979-03-1914:40 UTCm62611 28.47NAVD88POUSGSSA
1979-03-1914:40 UTCm7201912.16  POUSGSSA
1979-04-0315:30 UTCm62610 32.92NGVD29POUSGSSA
1979-04-0315:30 UTCm62611 31.75NAVD88POUSGSSA
1979-04-0315:30 UTCm720198.88  POUSGSSA
1980-03-1015:15 UTCm62610 29.28NGVD29POUSGSSA
1980-03-1015:15 UTCm62611 28.11NAVD88POUSGSSA
1980-03-1015:15 UTCm7201912.52  POUSGSSA
1982-03-1214:25 UTCm62610 31.56NGVD291OUSGSSA
1982-03-1214:25 UTCm62611 30.39NAVD881OUSGSSA
1982-03-1214:25 UTCm7201910.24  1OUSGSSA
1984-04-2516:34 UTCm62610 32.48NGVD291OUSGSSA
1984-04-2516:34 UTCm62611 31.31NAVD881OUSGSSA
1984-04-2516:34 UTCm720199.32  1OUSGSSA
1985-04-1213:49 UTCm62610 30.77NGVD291OUSGSSA
1985-04-1213:49 UTCm62611 29.60NAVD881OUSGSSA
1985-04-1213:49 UTCm7201911.03  1OUSGSSA
1985-04-1214:06 UTCm62610 30.77NGVD291OUSGSSA
1985-04-1214:06 UTCm62611 29.60NAVD881OUSGSSA
1985-04-1214:06 UTCm7201911.03  1OUSGSSA
1986-06-2408:20 UTCm62610 26.89NGVD29POUSGSSA
1986-06-2408:20 UTCm62611 25.72NAVD88POUSGSSA
1986-06-2408:20 UTCm7201914.91  POUSGSSA
1988-04-0516:30 UTCm62610 31.19NGVD291OUSGSSA
1988-04-0516:30 UTCm62611 30.02NAVD881OUSGSSA
1988-04-0516:30 UTCm7201910.61  1OUSGSSA
1989-03-2714:05 UTCm62610 30.92NGVD29POUSGSSA
1989-03-2714:05 UTCm62611 29.75NAVD88POUSGSSA
1989-03-2714:05 UTCm7201910.88  POUSGSSA
1990-03-2016:00 UTCm62610 32.06NGVD291OUSGSSA
1990-03-2016:00 UTCm62611 30.89NAVD881OUSGSSA
1990-03-2016:00 UTCm720199.74  1OUSGSSA
1990-03-2814:55 UTCm62610 32.41NGVD291OUSGSSA
1990-03-2814:55 UTCm62611 31.24NAVD881OUSGSSA
1990-03-2814:55 UTCm720199.39  1OUSGSSA
1992-04-0315:50 UTCm62610 31.06NGVD291OUSGSSA
1992-04-0315:50 UTCm62611 29.89NAVD881OUSGSSA
1992-04-0315:50 UTCm7201910.74  1OUSGSSA
1993-04-1415:00 UTCm62610 25.75NGVD291OUSGSSA
1993-04-1415:00 UTCm62611 24.58NAVD881OUSGSSA
1993-04-1415:00 UTCm7201916.05  1OUSGSSA
1995-03-2115:26 UTCm62610 30.03NGVD291OUSGSSA
1995-03-2115:26 UTCm62611 28.86NAVD881OUSGSSA
1995-03-2115:26 UTCm7201911.77  1OUSGSSA
1996-04-0414:58 UTCm62610 30.08NGVD291OUSGSSA
1996-04-0414:58 UTCm62611 28.91NAVD881OUSGSSA
1996-04-0414:58 UTCm7201911.72  1OUSGSSA
1997-04-1518:14 UTCm62610 25.90NGVD291OUSGSSA
1997-04-1518:14 UTCm62611 24.73NAVD881OUSGSSA
1997-04-1518:14 UTCm7201915.90  1OUSGSSA
1998-04-1617:31 UTCm62610 31.66NGVD291SUSGSSA
1998-04-1617:31 UTCm62611 30.49NAVD881SUSGSSA
1998-04-1617:31 UTCm7201910.14  1SUSGSSA
2020-09-2814:19 UTCm62610 28.03NGVD291SUSGSSP
2020-09-2814:19 UTCm62611 26.86NAVD881SUSGSSP
2020-09-2814:19 UTCm7201913.77  1SUSGSSP
2021-04-1212:56 UTCm62610 28.63NGVD291SUSGSSP
2021-04-1212:56 UTCm62611 27.46NAVD881SUSGSSP
2021-04-1212:56 UTCm7201913.17  1SUSGSSP

Explanation
SectionCodeDescription
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.
Measuring agencyUSGSU.S. Geological Survey
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.