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Groundwater levels for the Nation

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USGS 404359073350902 N 11231. 1

Nassau County, New York
Latitude  40°43'59", Longitude  73°35'08" NAD27
Land-surface elevation 70.0 feet above NGVD29
The depth of the well is 23 feet below land surface.
The depth of the hole is 23 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 Glacial Aquifer, Upper (112GLCLU) 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
1988-10-0318:25 UTCm62610 56.60NGVD291OUSGSSA
1988-10-0318:25 UTCm62611 55.43NAVD881OUSGSSA
1988-10-0318:25 UTCm7201913.40  1OUSGSSA
1988-10-1115:15 UTCm62610 56.41NGVD291OUSGSSA
1988-10-1115:15 UTCm62611 55.24NAVD881OUSGSSA
1988-10-1115:15 UTCm7201913.59  1OUSGSSA
1988-10-2114:05 UTCm62610 56.04NGVD291OUSGSSA
1988-10-2114:05 UTCm62611 54.87NAVD881OUSGSSA
1988-10-2114:05 UTCm7201913.96  1OUSGSSA
1988-11-2116:45 UTCm62610 57.20NGVD291OUSGSSA
1988-11-2116:45 UTCm62611 56.03NAVD881OUSGSSA
1988-11-2116:45 UTCm7201912.80  1OUSGSSA
1988-12-0717:30 UTCm62610 57.16NGVD291OUSGSSA
1988-12-0717:30 UTCm62611 55.99NAVD881OUSGSSA
1988-12-0717:30 UTCm7201912.84  1OUSGSSA
1989-01-1314:48 UTCm62610 56.74NGVD291OUSGSSA
1989-01-1314:48 UTCm62611 55.57NAVD881OUSGSSA
1989-01-1314:48 UTCm7201913.26  1OUSGSSA
1989-02-1317:43 UTCm62610 56.26NGVD291OUSGSSA
1989-02-1317:43 UTCm62611 55.09NAVD881OUSGSSA
1989-02-1317:43 UTCm7201913.74  1OUSGSSA
1989-03-1316:25 UTCm62610 56.65NGVD291OUSGSSA
1989-03-1316:25 UTCm62611 55.48NAVD881OUSGSSA
1989-03-1316:25 UTCm7201913.35  1OUSGSSA
1989-03-2319:29 UTCm62610 56.78NGVD291OUSGSSA
1989-03-2319:29 UTCm62611 55.61NAVD881OUSGSSA
1989-03-2319:29 UTCm7201913.22  1OUSGSSA
1989-04-1218:00 UTCm62610 57.60NGVD291OUSGSSA
1989-04-1218:00 UTCm62611 56.43NAVD881OUSGSSA
1989-04-1218:00 UTCm7201912.40  1OUSGSSA
1989-05-1715:35 UTCm62610 59.51NGVD291OUSGSSA
1989-05-1715:35 UTCm62611 58.34NAVD881OUSGSSA
1989-05-1715:35 UTCm7201910.49  1OUSGSSA
1989-05-1815:05 UTCm62610 59.35NGVD291OUSGSSA
1989-05-1815:05 UTCm62611 58.18NAVD881OUSGSSA
1989-05-1815:05 UTCm7201910.65  1OUSGSSA
1989-05-1915:55 UTCm62610 59.35NGVD291OUSGSSA
1989-05-1915:55 UTCm62611 58.18NAVD881OUSGSSA
1989-05-1915:55 UTCm7201910.65  1OUSGSSA
1989-05-2014:25 UTCm62610 59.34NGVD291OUSGSSA
1989-05-2014:25 UTCm62611 58.17NAVD881OUSGSSA
1989-05-2014:25 UTCm7201910.66  1OUSGSSA
1989-05-2216:00 UTCm62610 59.27NGVD291OUSGSSA
1989-05-2216:00 UTCm62611 58.10NAVD881OUSGSSA
1989-05-2216:00 UTCm7201910.73  1OUSGSSA
1989-06-2114:50 UTCm62610 60.00NGVD291OUSGSSA
1989-06-2114:50 UTCm62611 58.83NAVD881OUSGSSA
1989-06-2114:50 UTCm7201910.00  1OUSGSSA
1989-07-1814:10 UTCm62610 60.16NGVD291OUSGSSA
1989-07-1814:10 UTCm62611 58.99NAVD881OUSGSSA
1989-07-1814:10 UTCm720199.84  1OUSGSSA
1989-08-1614:35 UTCm62610 60.43NGVD291OUSGSSA
1989-08-1614:35 UTCm62611 59.26NAVD881OUSGSSA
1989-08-1614:35 UTCm720199.57  1OUSGSSA
1989-09-2015:56 UTCm62610 59.92NGVD291OUSGSSA
1989-09-2015:56 UTCm62611 58.75NAVD881OUSGSSA
1989-09-2015:56 UTCm7201910.08  1OUSGSSA
1989-10-24 D62610 60.59NGVD291OUSGSSA
1989-10-24 D62611 59.42NAVD881OUSGSSA
1989-10-24 D720199.41  1OUSGSSA
1989-12-05 D62610 60.18NGVD291OUSGSSA
1989-12-05 D62611 59.01NAVD881OUSGSSA
1989-12-05 D720199.82  1OUSGSSA
1990-01-17 D62610 59.84NGVD291OUSGSSA
1990-01-17 D62611 58.67NAVD881OUSGSSA
1990-01-17 D7201910.16  1OUSGSSA
1990-02-13 D62610 59.97NGVD291OUSGSSA
1990-02-13 D62611 58.80NAVD881OUSGSSA
1990-02-13 D7201910.03  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.