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Groundwater levels for New York

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  • 404012073314101
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USGS 404012073314101 N 11576. 1

Nassau County, New York
Latitude  40°40'12", Longitude  73°31'41" NAD27
Land-surface elevation 15.0 feet above NGVD29
The depth of the well is 955 feet below land surface.
The depth of the hole is 1,005 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.
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Date Time
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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
?
 
Source of
measurement
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Water-level
approval
status
1992-03-3016:35 UTCm62610 15.49NGVD291OUSGSSA
1992-03-3016:35 UTCm62611 14.32NAVD881OUSGSSA
1992-03-3016:35 UTCm72019-0.49  1OUSGSSA
1993-04-0915:23 UTCm62610 15.33NGVD291OUSGSSA
1993-04-0915:23 UTCm62611 14.16NAVD881OUSGSSA
1993-04-0915:23 UTCm72019-0.33  1OUSGSSA
1994-04-0116:50 UTCm62610 13.95NGVD291OUSGSSA
1994-04-0116:50 UTCm62611 12.78NAVD881OUSGSSA
1994-04-0116:50 UTCm720191.05  1OUSGSSA
1996-03-1418:07 UTCm62610 13.89NGVD291OUSGSSA
1996-03-1418:07 UTCm62611 12.72NAVD881OUSGSSA
1996-03-1418:07 UTCm720191.11  1OUSGSSA
1997-03-1218:07 UTCm62610 14.62NGVD291OUSGSSA
1997-03-1218:07 UTCm62611 13.45NAVD881OUSGSSA
1997-03-1218:07 UTCm720190.38  1OUSGSSA
2010-04-2118:52 UTCm62610 14.30NGVD291SUSGSSA
2010-04-2118:52 UTCm62611 13.13NAVD881SUSGSSA
2010-04-2118:52 UTCm720190.70  1SUSGSSA
2014-04-2416:28 UTCm62610 16.40NGVD291SUSGSSA
2014-04-2416:28 UTCm62611 15.23NAVD881SUSGSSA
2014-04-2416:28 UTCm72019-1.40  1SUSGSSA
2016-04-1916:48 UTCm62610 16.43NGVD291SUSGSSA
2016-04-1916:48 UTCm62611 15.26NAVD881SUSGSSA
2016-04-1916:48 UTCm72019-1.43  1SUSGSSA
2017-04-1815:37 UTCm62610 16.21NGVD291SUSGSSA
2017-04-1815:37 UTCm62611 15.04NAVD881SUSGSSA
2017-04-1815:37 UTCm72019-1.21  1SUSGSSA
2019-04-1617:05 UTCm62610 17.27NGVD291SUSGSSA
2019-04-1617:05 UTCm62611 16.10NAVD881SUSGSSA
2019-04-1617:05 UTCm72019-2.27  1SUSGSSA
2020-10-2016:19 UTCm62610 13.95NGVD291SUSGSSA
2020-10-2016:19 UTCm62611 12.78NAVD881SUSGSSA
2020-10-2016:19 UTCm720191.05  1SUSGSSA
2021-04-2617:25 UTCm62610  NGVD29FVUSGSSA
2021-04-2617:25 UTCm62611  NAVD88FVUSGSSA
2021-04-2617:25 UTCm72019   FVUSGSSA
2021-05-1816:41 UTCm62610 16.02NGVD291VUSGSSA
2021-05-1816:41 UTCm62611 14.85NAVD881VUSGSSA
2021-05-1816:41 UTCm72019-1.02  1VUSGSSA
2021-07-2616:12 UTCm62610 12.69NGVD294SUSGSSA
2021-07-2616:12 UTCm62611 11.52NAVD884SUSGSSA
2021-07-2616:12 UTCm720192.31  4SUSGSSA
2021-08-2616:17 UTCm62610 13.29NGVD294SUSGSSA
2021-08-2616:17 UTCm62611 12.12NAVD884SUSGSSA
2021-08-2616:17 UTCm720191.71  4SUSGSSA
2021-10-0715:21 UTCm62610 13.28NGVD294SUSGSSA
2021-10-0715:21 UTCm62611 12.11NAVD884SUSGSSA
2021-10-0715:21 UTCm720191.72  4SUSGSSA
2021-11-0818:27 UTCm62610 14.60NGVD291SUSGSSA
2021-11-0818:27 UTCm62611 13.43NAVD881SUSGSSA
2021-11-0818:27 UTCm720190.40  1SUSGSSA
2022-01-1418:12 UTCm62610 16.54NGVD294VUSGSSA
2022-01-1418:12 UTCm62611 15.37NAVD884VUSGSSA
2022-01-1418:12 UTCm72019-1.54  4VUSGSSA
2022-02-2219:53 UTCm62610 16.49NGVD294VUSGSSA
2022-02-2219:53 UTCm62611 15.32NAVD884VUSGSSA
2022-02-2219:53 UTCm72019-1.49  4VUSGSSA
2022-03-1516:14 UTCm62610 16.32NGVD294VUSGSSA
2022-03-1516:14 UTCm62611 15.15NAVD884VUSGSSA
2022-03-1516:14 UTCm72019-1.32  4VUSGSSA
2022-06-2116:56 UTCm62610 16.41NGVD294VUSGSSA
2022-06-2116:56 UTCm62611 15.24NAVD884VUSGSSA
2022-06-2116:56 UTCm72019-1.41  4VUSGSSA
2022-07-2716:59 UTCm62610 13.68NGVD294SUSGSSA
2022-07-2716:59 UTCm62611 12.51NAVD884SUSGSSA
2022-07-2716:59 UTCm720191.32  4SUSGSSA
2022-09-1917:38 UTCm62610 12.68NGVD291SUSGSSA
2022-09-1917:38 UTCm62611 11.51NAVD881SUSGSSA
2022-09-1917:38 UTCm720192.32  1SUSGSSA
2023-04-2114:15 UTCm62610 16.18NGVD291VUSGSSA
2023-04-2114:15 UTCm62611 15.01NAVD881VUSGSSA
2023-04-2114:15 UTCm72019-1.18  1VUSGSSA
2023-06-2916:53 UTCm62610 13.92NGVD294VUSGSSA
2023-06-2916:53 UTCm62611 12.75NAVD884VUSGSSA
2023-06-2916:53 UTCm720191.08  4VUSGSSA
2024-04-2516:26 UTCm62610 16.12NGVD293VUSGSSA
2024-04-2516:26 UTCm62611 14.95NAVD883VUSGSSA
2024-04-2516:26 UTCm72019-1.12  3VUSGSSA
2024-05-0914:57 UTCm62610 16.64NGVD294VUSGSSA
2024-05-0914:57 UTCm62611 15.47NAVD884VUSGSSA
2024-05-0914:57 UTCm72019-1.64  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
Status3True value is above reported value due to local conditions
Status4Groundwater level affected by tide
StatusFFlowing
Method of measurementOObserved.
Method of measurementSSteel-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.