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Groundwater levels for the Nation

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Agency code = usgs
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  • 405035073324601
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USGS 405035073324601 N 11281. 1

Nassau County, New York
Latitude  40°50'35.33", Longitude  73°32'15.10" NAD27
Land-surface elevation 187.0 feet above NGVD29
The depth of the well is 523 feet below land surface.
The depth of the hole is 523 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 Port Washington Aquifer (112PGQF) 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
1990-04-1118:42 UTCm62610 62.66NGVD291OUSGSSA
1990-04-1118:42 UTCm62611 61.60NAVD881OUSGSSA
1990-04-1118:42 UTCm72019124.34  1OUSGSSA
1992-06-0417:46 UTCm62610 62.12NGVD291OUSGSSA
1992-06-0417:46 UTCm62611 61.06NAVD881OUSGSSA
1992-06-0417:46 UTCm72019124.88  1OUSGSSA
1992-07-2218:00 UTCm62610 61.09NGVD291OUSGSSA
1992-07-2218:00 UTCm62611 60.03NAVD881OUSGSSA
1992-07-2218:00 UTCm72019125.91  1OUSGSSA
1992-12-0415:15 UTCm62610 60.53NGVD291OUSGSSA
1992-12-0415:15 UTCm62611 59.47NAVD881OUSGSSA
1992-12-0415:15 UTCm72019126.47  1OUSGSSA
1993-04-1417:12 UTCm62610 60.63NGVD291SUSGSSA
1993-04-1417:12 UTCm62611 59.57NAVD881SUSGSSA
1993-04-1417:12 UTCm72019126.37  1SUSGSSA
1993-06-2215:42 UTCm62610 59.92NGVD291OUSGSSA
1993-06-2215:42 UTCm62611 58.86NAVD881OUSGSSA
1993-06-2215:42 UTCm72019127.08  1OUSGSSA
1993-12-2219:00 UTCm62610 59.65NGVD291OUSGSSA
1993-12-2219:00 UTCm62611 58.59NAVD881OUSGSSA
1993-12-2219:00 UTCm72019127.35  1OUSGSSA
1994-06-1016:41 UTCm62610 59.16NGVD291OUSGSSA
1994-06-1016:41 UTCm62611 58.10NAVD881OUSGSSA
1994-06-1016:41 UTCm72019127.84  1OUSGSSA
1994-12-2216:47 UTCm62610 58.79NGVD291OUSGSSA
1994-12-2216:47 UTCm62611 57.73NAVD881OUSGSSA
1994-12-2216:47 UTCm72019128.21  1OUSGSSA
1995-06-1514:40 UTCm62610 57.27NGVD291OUSGSSA
1995-06-1514:40 UTCm62611 56.21NAVD881OUSGSSA
1995-06-1514:40 UTCm72019129.73  1OUSGSSA
1995-12-0714:05 UTCm62610 55.77NGVD291OUSGSSA
1995-12-0714:05 UTCm62611 54.71NAVD881OUSGSSA
1995-12-0714:05 UTCm72019131.23  1OUSGSSA
1996-03-1819:15 UTCm62610 55.56NGVD291OUSGSSA
1996-03-1819:15 UTCm62611 54.50NAVD881OUSGSSA
1996-03-1819:15 UTCm72019131.44  1OUSGSSA
1996-05-1711:43 UTCm62610 55.67NGVD291OUSGSSA
1996-05-1711:43 UTCm62611 54.61NAVD881OUSGSSA
1996-05-1711:43 UTCm72019131.33  1OUSGSSA
1996-09-1215:30 UTCm62610 55.21NGVD291OUSGSSA
1996-09-1215:30 UTCm62611 54.15NAVD881OUSGSSA
1996-09-1215:30 UTCm72019131.79  1OUSGSSA
1996-12-1119:00 UTCm62610 56.55NGVD291OUSGSSA
1996-12-1119:00 UTCm62611 55.49NAVD881OUSGSSA
1996-12-1119:00 UTCm72019130.45  1OUSGSSA
1997-03-1115:35 UTCm62610 57.67NGVD291OUSGSSA
1997-03-1115:35 UTCm62611 56.61NAVD881OUSGSSA
1997-03-1115:35 UTCm72019129.33  1OUSGSSA
1997-05-2214:10 UTCm62610 58.24NGVD291OUSGSSA
1997-05-2214:10 UTCm62611 57.18NAVD881OUSGSSA
1997-05-2214:10 UTCm72019128.76  1OUSGSSA
1997-07-2214:20 UTCm62610 57.43NGVD291OUSGSSA
1997-07-2214:20 UTCm62611 56.37NAVD881OUSGSSA
1997-07-2214:20 UTCm72019129.57  1OUSGSSA
1997-08-2016:05 UTCm62610 57.61NGVD291OUSGSSA
1997-08-2016:05 UTCm62611 56.55NAVD881OUSGSSA
1997-08-2016:05 UTCm72019129.39  1OUSGSSA
1997-09-1614:55 UTCm62610 57.63NGVD291OUSGSSA
1997-09-1614:55 UTCm62611 56.57NAVD881OUSGSSA
1997-09-1614:55 UTCm72019129.37  1OUSGSSA
2013-07-1712:19 UTCm62610 60.69NGVD291TUSGSSA
2013-07-1712:19 UTCm62611 59.63NAVD881TUSGSSA
2013-07-1712:19 UTCm72019126.31  1TUSGSSA
2013-07-3018:44 UTCm62610 60.52NGVD291TUSGSSA
2013-07-3018:44 UTCm62611 59.46NAVD881TUSGSSA
2013-07-3018:44 UTCm72019126.48  1TUSGSSA

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.
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.