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Groundwater levels for New York

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Agency code = usgs
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  • 404325073363001
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USGS 404325073363001 N 8474. 2

Nassau County, New York
Latitude  40°43'25", Longitude  73°36'30" NAD27
Land-surface elevation 74.0 feet above NGVD29
The depth of the well is 562 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 Magothy Aquifer (211MAGT) 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
1971-03-11 D62610 47.39NGVD291OUSGSSA
1971-03-11 D62611 46.24NAVD881OUSGSSA
1971-03-11 D7201926.61  1OUSGSSA
1972-03-14 D62610 47.12NGVD291OUSGSSA
1972-03-14 D62611 45.97NAVD881OUSGSSA
1972-03-14 D7201926.88  1OUSGSSA
1973-03-21 D62610 50.43NGVD291OUSGSSA
1973-03-21 D62611 49.28NAVD881OUSGSSA
1973-03-21 D7201923.57  1OUSGSSA
1974-03-26 D62610 45.78NGVD291OUSGSSA
1974-03-26 D62611 44.63NAVD881OUSGSSA
1974-03-26 D7201928.22  1OUSGSSA
1975-03-18 D62610 47.78NGVD291OUSGSSA
1975-03-18 D62611 46.63NAVD881OUSGSSA
1975-03-18 D7201926.22  1OUSGSSA
1976-03-18 D62610 53.08NGVD291OUSGSSA
1976-03-18 D62611 51.93NAVD881OUSGSSA
1976-03-18 D7201920.92  1OUSGSSA
1977-03-21 D62610 49.33NGVD291OUSGSSA
1977-03-21 D62611 48.18NAVD881OUSGSSA
1977-03-21 D7201924.67  1OUSGSSA
1979-03-14 D62610 48.38NGVD291OUSGSSA
1979-03-14 D62611 47.23NAVD881OUSGSSA
1979-03-14 D7201925.62  1OUSGSSA
1982-04-1414:45 UTCm62610 48.71NGVD291OUSGSSA
1982-04-1414:45 UTCm62611 47.56NAVD881OUSGSSA
1982-04-1414:45 UTCm7201925.29  1OUSGSSA
1983-03-3114:15 UTCm62610 46.82NGVD291OUSGSSA
1983-03-3114:15 UTCm62611 45.67NAVD881OUSGSSA
1983-03-3114:15 UTCm7201927.18  1OUSGSSA
1983-04-1413:05 UTCm62610 34.99NGVD293OUSGSSA
1983-04-1413:05 UTCm62611 33.84NAVD883OUSGSSA
1983-04-1413:05 UTCm7201939.01  3OUSGSSA
1983-08-3121:55 UTCm62610 46.41NGVD291OUSGSSA
1983-08-3121:55 UTCm62611 45.26NAVD881OUSGSSA
1983-08-3121:55 UTCm7201927.59  1OUSGSSA
1984-03-1214:30 UTCm62610 46.17NGVD291OUSGSSA
1984-03-1214:30 UTCm62611 45.02NAVD881OUSGSSA
1984-03-1214:30 UTCm7201927.83  1OUSGSSA
1984-04-2619:25 UTCm62610 52.45NGVD291OUSGSSA
1984-04-2619:25 UTCm62611 51.30NAVD881OUSGSSA
1984-04-2619:25 UTCm7201921.55  1OUSGSSA
1985-04-1912:45 UTCm62610 50.25NGVD291OUSGSSA
1985-04-1912:45 UTCm62611 49.10NAVD881OUSGSSA
1985-04-1912:45 UTCm7201923.75  1OUSGSSA
1985-04-1912:58 UTCm62610 50.26NGVD291OUSGSSA
1985-04-1912:58 UTCm62611 49.11NAVD881OUSGSSA
1985-04-1912:58 UTCm7201923.74  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
Status3True value is above reported value due to local conditions
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.