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Groundwater levels for the Nation

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  • 404842073291401
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USGS 404842073291401 N 10609. 1

Nassau County, New York
Latitude  40°48'42", Longitude  73°29'14" NAD27
Land-surface elevation 239.0 feet above NGVD29
The depth of the well is 203 feet below land surface.
Output formats
Table of data
Tab-separated 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
1990-03-2717:50 UTCm62610 76.43NGVD291OUSGSSA
1990-03-2717:50 UTCm62611 75.34NAVD881OUSGSSA
1990-03-2717:50 UTCm72019162.57  1OUSGSSA
1991-03-2014:25 UTCm62610 80.15NGVD291OUSGSSA
1991-03-2014:25 UTCm62611 79.06NAVD881OUSGSSA
1991-03-2014:25 UTCm72019158.85  1OUSGSSA
1991-11-0115:44 UTCm62610 80.23NGVD291OUSGSSA
1991-11-0115:44 UTCm62611 79.14NAVD881OUSGSSA
1991-11-0115:44 UTCm72019158.77  1OUSGSSA
1992-03-1614:40 UTCm62610 78.40NGVD291OUSGSSA
1992-03-1614:40 UTCm62611 77.31NAVD881OUSGSSA
1992-03-1614:40 UTCm72019160.60  1OUSGSSA
1992-06-0414:50 UTCm62610 77.42NGVD291OUSGSSA
1992-06-0414:50 UTCm62611 76.33NAVD881OUSGSSA
1992-06-0414:50 UTCm72019161.58  1OUSGSSA
1992-12-0413:45 UTCm62610 75.05NGVD291OUSGSSA
1992-12-0413:45 UTCm62611 73.96NAVD881OUSGSSA
1992-12-0413:45 UTCm72019163.95  1OUSGSSA
1993-03-2513:00 UTCm62610 74.83NGVD291OUSGSSA
1993-03-2513:00 UTCm62611 73.74NAVD881OUSGSSA
1993-03-2513:00 UTCm72019164.17  1OUSGSSA
1993-06-2212:37 UTCm62610 74.73NGVD291OUSGSSA
1993-06-2212:37 UTCm62611 73.64NAVD881OUSGSSA
1993-06-2212:37 UTCm72019164.27  1OUSGSSA
1993-12-2216:10 UTCm62610 73.76NGVD291OUSGSSA
1993-12-2216:10 UTCm62611 72.67NAVD881OUSGSSA
1993-12-2216:10 UTCm72019165.24  1OUSGSSA
1994-03-3013:15 UTCm62610 73.79NGVD291OUSGSSA
1994-03-3013:15 UTCm62611 72.70NAVD881OUSGSSA
1994-03-3013:15 UTCm72019165.21  1OUSGSSA
1994-06-0915:11 UTCm62610 73.56NGVD291OUSGSSA
1994-06-0915:11 UTCm62611 72.47NAVD881OUSGSSA
1994-06-0915:11 UTCm72019165.44  1OUSGSSA
1994-12-2220:08 UTCm62610 72.56NGVD291OUSGSSA
1994-12-2220:08 UTCm62611 71.47NAVD881OUSGSSA
1994-12-2220:08 UTCm72019166.44  1OUSGSSA
1995-03-1416:15 UTCm62610 72.48NGVD291OUSGSSA
1995-03-1416:15 UTCm62611 71.39NAVD881OUSGSSA
1995-03-1416:15 UTCm72019166.52  1OUSGSSA
1995-06-1415:29 UTCm62610 71.71NGVD291OUSGSSA
1995-06-1415:29 UTCm62611 70.62NAVD881OUSGSSA
1995-06-1415:29 UTCm72019167.29  1OUSGSSA
1995-12-0613:37 UTCm62610 69.86NGVD291OUSGSSA
1995-12-0613:37 UTCm62611 68.77NAVD881OUSGSSA
1995-12-0613:37 UTCm72019169.14  1OUSGSSA
1996-03-1815:58 UTCm62610 69.69NGVD291OUSGSSA
1996-03-1815:58 UTCm62611 68.60NAVD881OUSGSSA
1996-03-1815:58 UTCm72019169.31  1OUSGSSA
1996-05-1612:35 UTCm62610 69.97NGVD291OUSGSSA
1996-05-1612:35 UTCm62611 68.88NAVD881OUSGSSA
1996-05-1612:35 UTCm72019169.03  1OUSGSSA
1996-09-1112:40 UTCm62610 69.79NGVD291OUSGSSA
1996-09-1112:40 UTCm62611 68.70NAVD881OUSGSSA
1996-09-1112:40 UTCm72019169.21  1OUSGSSA
1996-12-1114:45 UTCm62610 70.56NGVD291OUSGSSA
1996-12-1114:45 UTCm62611 69.47NAVD881OUSGSSA
1996-12-1114:45 UTCm72019168.44  1OUSGSSA
1997-03-1115:45 UTCm62610 72.23NGVD291OUSGSSA
1997-03-1115:45 UTCm62611 71.14NAVD881OUSGSSA
1997-03-1115:45 UTCm72019166.77  1OUSGSSA
1997-07-2317:05 UTCm62610 72.58NGVD291OUSGSSA
1997-07-2317:05 UTCm62611 71.49NAVD881OUSGSSA
1997-07-2317:05 UTCm72019166.42  1OUSGSSA
1997-08-2117:12 UTCm62610 72.67NGVD291OUSGSSA
1997-08-2117:12 UTCm62611 71.58NAVD881OUSGSSA
1997-08-2117:12 UTCm72019166.33  1OUSGSSA
1997-09-1715:51 UTCm62610 72.64NGVD291OUSGSSA
1997-09-1715:51 UTCm62611 71.55NAVD881OUSGSSA
1997-09-1715:51 UTCm72019166.36  1OUSGSSA
1998-03-2314:38 UTCm62610 73.67NGVD291SUSGSSA
1998-03-2314:38 UTCm62611 72.58NAVD881SUSGSSA
1998-03-2314:38 UTCm72019165.33  1SUSGSSA

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
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.