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Groundwater levels for the Nation

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Agency code = usgs
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  • 405035073324801
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USGS 405035073324801 N 11280. 1

Nassau County, New York
Latitude  40°50'35.37", Longitude  73°32'15.35" NAD27
Land-surface elevation 187.0 feet above NGVD29
The depth of the well is 650 feet below land surface.
The depth of the hole is 650 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 Lloyd Aquifer (211LLYD) 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
1990-04-1118:50 UTCm62610 62.62NGVD291OUSGSSA
1990-04-1118:50 UTCm62611 61.56NAVD881OUSGSSA
1990-04-1118:50 UTCm72019124.38  1OUSGSSA
1992-06-0417:38 UTCm62610 62.01NGVD291OUSGSSA
1992-06-0417:38 UTCm62611 60.95NAVD881OUSGSSA
1992-06-0417:38 UTCm72019124.99  1OUSGSSA
1992-07-2217:47 UTCm62610 61.01NGVD291OUSGSSA
1992-07-2217:47 UTCm62611 59.95NAVD881OUSGSSA
1992-07-2217:47 UTCm72019125.99  1OUSGSSA
1992-12-0415:09 UTCm62610 60.43NGVD291OUSGSSA
1992-12-0415:09 UTCm62611 59.37NAVD881OUSGSSA
1992-12-0415:09 UTCm72019126.57  1OUSGSSA
1993-04-1417:05 UTCm62610 60.52NGVD291SUSGSSA
1993-04-1417:05 UTCm62611 59.46NAVD881SUSGSSA
1993-04-1417:05 UTCm72019126.48  1SUSGSSA
1993-06-2215:33 UTCm62610 59.83NGVD291OUSGSSA
1993-06-2215:33 UTCm62611 58.77NAVD881OUSGSSA
1993-06-2215:33 UTCm72019127.17  1OUSGSSA
1994-06-1016:33 UTCm62610 59.07NGVD291OUSGSSA
1994-06-1016:33 UTCm62611 58.01NAVD881OUSGSSA
1994-06-1016:33 UTCm72019127.93  1OUSGSSA
1994-12-2216:52 UTCm62610 58.67NGVD291OUSGSSA
1994-12-2216:52 UTCm62611 57.61NAVD881OUSGSSA
1994-12-2216:52 UTCm72019128.33  1OUSGSSA
1995-06-1514:35 UTCm62610 57.18NGVD291OUSGSSA
1995-06-1514:35 UTCm62611 56.12NAVD881OUSGSSA
1995-06-1514:35 UTCm72019129.82  1OUSGSSA
1995-12-0713:58 UTCm62610 55.67NGVD291OUSGSSA
1995-12-0713:58 UTCm62611 54.61NAVD881OUSGSSA
1995-12-0713:58 UTCm72019131.33  1OUSGSSA
1996-03-2019:35 UTCm62610 53.61NGVD291OUSGSSA
1996-03-2019:35 UTCm62611 52.55NAVD881OUSGSSA
1996-03-2019:35 UTCm72019133.39  1OUSGSSA
1996-05-1711:45 UTCm62610 55.60NGVD291OUSGSSA
1996-05-1711:45 UTCm62611 54.54NAVD881OUSGSSA
1996-05-1711:45 UTCm72019131.40  1OUSGSSA
1996-09-1215:40 UTCm62610 54.87NGVD291OUSGSSA
1996-09-1215:40 UTCm62611 53.81NAVD881OUSGSSA
1996-09-1215:40 UTCm72019132.13  1OUSGSSA
1996-12-1118:50 UTCm62610 56.43NGVD291OUSGSSA
1996-12-1118:50 UTCm62611 55.37NAVD881OUSGSSA
1996-12-1118:50 UTCm72019130.57  1OUSGSSA
1997-03-1115:40 UTCm62610 57.59NGVD291OUSGSSA
1997-03-1115:40 UTCm62611 56.53NAVD881OUSGSSA
1997-03-1115:40 UTCm72019129.41  1OUSGSSA
1997-09-1614:53 UTCm62610 59.24NGVD291OUSGSSA
1997-09-1614:53 UTCm62611 58.18NAVD881OUSGSSA
1997-09-1614:53 UTCm72019127.76  1OUSGSSA
2013-07-1712:20 UTCm62610 60.60NGVD291TUSGSSA
2013-07-1712:20 UTCm62611 59.54NAVD881TUSGSSA
2013-07-1712:20 UTCm72019126.40  1TUSGSSA
2013-07-3018:43 UTCm62610 60.39NGVD291TUSGSSA
2013-07-3018:43 UTCm62611 59.33NAVD881TUSGSSA
2013-07-3018:43 UTCm72019126.61  1TUSGSSA
2016-05-2419:40 UTCm62610 58.50NGVD291TUSGSSA
2016-05-2419:40 UTCm62611 57.44NAVD881TUSGSSA
2016-05-2419:40 UTCm72019128.50  1TUSGSSA
2022-09-1916:42 UTCm62610 58.55NGVD291VUSGSSA
2022-09-1916:42 UTCm62611 57.49NAVD881VUSGSSA
2022-09-1916:42 UTCm72019128.45  1VUSGSSA
2023-04-1814:22 UTCm62610 59.26NGVD294VUSGSSA
2023-04-1814:22 UTCm62611 58.20NAVD884VUSGSSA
2023-04-1814:22 UTCm72019127.74  4VUSGSSA
2024-05-0614:22 UTCm62610 60.61NGVD294VUSGSSA
2024-05-0614:22 UTCm62611 59.55NAVD884VUSGSSA
2024-05-0614:22 UTCm72019126.39  4VUSGSSA

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
Status4Groundwater level affected by tide
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-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.