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Groundwater levels for the Nation

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Agency code = usgs
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  • 404359073350901
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USGS 404359073350901 N 11230. 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 33 feet below land surface.
The depth of the hole is 33 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
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
1988-10-0318:25 UTCm62610 55.71NGVD291OUSGSSA
1988-10-0318:25 UTCm62611 54.54NAVD881OUSGSSA
1988-10-0318:25 UTCm7201914.29  1OUSGSSA
1988-10-1115:15 UTCm62610 55.72NGVD291OUSGSSA
1988-10-1115:15 UTCm62611 54.55NAVD881OUSGSSA
1988-10-1115:15 UTCm7201914.28  1OUSGSSA
1988-10-2114:05 UTCm62610 55.35NGVD291OUSGSSA
1988-10-2114:05 UTCm62611 54.18NAVD881OUSGSSA
1988-10-2114:05 UTCm7201914.65  1OUSGSSA
1988-11-2116:45 UTCm62610 56.33NGVD291OUSGSSA
1988-11-2116:45 UTCm62611 55.16NAVD881OUSGSSA
1988-11-2116:45 UTCm7201913.67  1OUSGSSA
1988-12-0717:30 UTCm62610 56.52NGVD291OUSGSSA
1988-12-0717:30 UTCm62611 55.35NAVD881OUSGSSA
1988-12-0717:30 UTCm7201913.48  1OUSGSSA
1989-01-1314:48 UTCm62610 56.18NGVD291OUSGSSA
1989-01-1314:48 UTCm62611 55.01NAVD881OUSGSSA
1989-01-1314:48 UTCm7201913.82  1OUSGSSA
1989-02-1317:41 UTCm62610 55.79NGVD291OUSGSSA
1989-02-1317:41 UTCm62611 54.62NAVD881OUSGSSA
1989-02-1317:41 UTCm7201914.21  1OUSGSSA
1989-03-1316:25 UTCm62610 56.18NGVD291OUSGSSA
1989-03-1316:25 UTCm62611 55.01NAVD881OUSGSSA
1989-03-1316:25 UTCm7201913.82  1OUSGSSA
1989-03-2319:27 UTCm62610 56.29NGVD291OUSGSSA
1989-03-2319:27 UTCm62611 55.12NAVD881OUSGSSA
1989-03-2319:27 UTCm7201913.71  1OUSGSSA
1989-04-1218:00 UTCm62610 57.06NGVD291OUSGSSA
1989-04-1218:00 UTCm62611 55.89NAVD881OUSGSSA
1989-04-1218:00 UTCm7201912.94  1OUSGSSA
1989-05-1715:35 UTCm62610 58.63NGVD291OUSGSSA
1989-05-1715:35 UTCm62611 57.46NAVD881OUSGSSA
1989-05-1715:35 UTCm7201911.37  1OUSGSSA
1989-05-1815:05 UTCm62610 58.63NGVD291OUSGSSA
1989-05-1815:05 UTCm62611 57.46NAVD881OUSGSSA
1989-05-1815:05 UTCm7201911.37  1OUSGSSA
1989-05-1915:55 UTCm62610 58.66NGVD291OUSGSSA
1989-05-1915:55 UTCm62611 57.49NAVD881OUSGSSA
1989-05-1915:55 UTCm7201911.34  1OUSGSSA
1989-05-2014:25 UTCm62610 58.67NGVD291OUSGSSA
1989-05-2014:25 UTCm62611 57.50NAVD881OUSGSSA
1989-05-2014:25 UTCm7201911.33  1OUSGSSA
1989-05-2216:00 UTCm62610 58.68NGVD291OUSGSSA
1989-05-2216:00 UTCm62611 57.51NAVD881OUSGSSA
1989-05-2216:00 UTCm7201911.32  1OUSGSSA
1989-06-2114:50 UTCm62610 59.69NGVD291OUSGSSA
1989-06-2114:50 UTCm62611 58.52NAVD881OUSGSSA
1989-06-2114:50 UTCm7201910.31  1OUSGSSA
1989-07-1814:10 UTCm62610 59.97NGVD291OUSGSSA
1989-07-1814:10 UTCm62611 58.80NAVD881OUSGSSA
1989-07-1814:10 UTCm7201910.03  1OUSGSSA
1989-08-1614:35 UTCm62610 60.23NGVD291OUSGSSA
1989-08-1614:35 UTCm62611 59.06NAVD881OUSGSSA
1989-08-1614:35 UTCm720199.77  1OUSGSSA
1989-09-2015:55 UTCm62610 59.71NGVD291OUSGSSA
1989-09-2015:55 UTCm62611 58.54NAVD881OUSGSSA
1989-09-2015:55 UTCm7201910.29  1OUSGSSA
1989-10-24 D62610 60.45NGVD291OUSGSSA
1989-10-24 D62611 59.28NAVD881OUSGSSA
1989-10-24 D720199.55  1OUSGSSA
1989-12-05 D62610 60.18NGVD291OUSGSSA
1989-12-05 D62611 59.01NAVD881OUSGSSA
1989-12-05 D720199.82  1OUSGSSA
1990-01-17 D62610 59.78NGVD291OUSGSSA
1990-01-17 D62611 58.61NAVD881OUSGSSA
1990-01-17 D7201910.22  1OUSGSSA
1990-02-13 D62610 59.89NGVD291OUSGSSA
1990-02-13 D62611 58.72NAVD881OUSGSSA
1990-02-13 D7201910.11  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.