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Groundwater levels for New York

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Agency code = usgs
site_no list =
  • 404236073395401
Minimum number of levels = 1
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USGS 404236073395401 N 7720. 1

Nassau County, New York
Latitude  40°42'37", Longitude  73°39'52" NAD27
Land-surface elevation 69.0 feet above NGVD29
The depth of the well is 511 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
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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
1969-11-17 D62610 30.50NGVD291OUSGSSA
1969-11-17 D62611 29.38NAVD881OUSGSSA
1969-11-17 D7201938.50  1OUSGSSA
1970-03-02 D62610 31.57NGVD291OUSGSSA
1970-03-02 D62611 30.45NAVD881OUSGSSA
1970-03-02 D7201937.43  1OUSGSSA
1971-03-10 D62610 29.29NGVD291OUSGSSA
1971-03-10 D62611 28.17NAVD881OUSGSSA
1971-03-10 D7201939.71  1OUSGSSA
1972-03-14 D62610 30.08NGVD291OUSGSSA
1972-03-14 D62611 28.96NAVD881OUSGSSA
1972-03-14 D7201938.92  1OUSGSSA
1973-03-21 D62610 33.03NGVD291OUSGSSA
1973-03-21 D62611 31.91NAVD881OUSGSSA
1973-03-21 D7201935.97  1OUSGSSA
1974-03-26 D62610 32.82NGVD291OUSGSSA
1974-03-26 D62611 31.70NAVD881OUSGSSA
1974-03-26 D7201936.18  1OUSGSSA
1975-03-18 D62610 31.01NGVD291OUSGSSA
1975-03-18 D62611 29.89NAVD881OUSGSSA
1975-03-18 D7201937.99  1OUSGSSA
1979-03-13 D62610 34.91NGVD291OUSGSSA
1979-03-13 D62611 33.79NAVD881OUSGSSA
1979-03-13 D7201934.09  1OUSGSSA
1980-03-10 D62610 32.89NGVD291OUSGSSA
1980-03-10 D62611 31.77NAVD881OUSGSSA
1980-03-10 D7201936.11  1OUSGSSA
1981-03-16 D62610 31.81NGVD291OUSGSSA
1981-03-16 D62611 30.69NAVD881OUSGSSA
1981-03-16 D7201937.19  1OUSGSSA
1982-03-0918:25 UTCm62610 30.63NGVD291OUSGSSA
1982-03-0918:25 UTCm62611 29.51NAVD881OUSGSSA
1982-03-0918:25 UTCm7201938.37  1OUSGSSA
1983-03-0813:15 UTCm62610 29.16NGVD291OUSGSSA
1983-03-0813:15 UTCm62611 28.04NAVD881OUSGSSA
1983-03-0813:15 UTCm7201939.84  1OUSGSSA
1985-04-2313:00 UTCm62610 34.54NGVD291OUSGSSA
1985-04-2313:00 UTCm62611 33.42NAVD881OUSGSSA
1985-04-2313:00 UTCm7201934.46  1OUSGSSA
1985-04-2313:10 UTCm62610 34.53NGVD291OUSGSSA
1985-04-2313:10 UTCm62611 33.41NAVD881OUSGSSA
1985-04-2313:10 UTCm7201934.47  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.