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Groundwater levels for the Nation

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  • 405233073372301
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USGS 405233073372301 N 5261. 2

Nassau County, New York
Latitude  40°52'33", Longitude  73°37'22" NAD27
Land-surface elevation 145.0 feet above NGVD29
The depth of the well is 235 feet below land surface.
This well is completed in the Port Washington Confining Unit (112PGFG) 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
1964-12-16 D62610 38.57NGVD291OUSGSSA
1964-12-16 D62611 37.49NAVD881OUSGSSA
1964-12-16 D72019106.43  1OUSGSSA
1971-03-26 D62610 36.41NGVD291OUSGSSA
1971-03-26 D62611 35.33NAVD881OUSGSSA
1971-03-26 D72019108.59  1OUSGSSA
1972-03-13 D62610 40.49NGVD291OUSGSSA
1972-03-13 D62611 39.41NAVD881OUSGSSA
1972-03-13 D72019104.51  1OUSGSSA
1973-03-20 D62610 37.12NGVD291OUSGSSA
1973-03-20 D62611 36.04NAVD881OUSGSSA
1973-03-20 D72019107.88  1OUSGSSA
1974-03-25 D62610 39.91NGVD291OUSGSSA
1974-03-25 D62611 38.83NAVD881OUSGSSA
1974-03-25 D72019105.09  1OUSGSSA
1975-03-17 D62610 44.16NGVD291OUSGSSA
1975-03-17 D62611 43.08NAVD881OUSGSSA
1975-03-17 D72019100.84  1OUSGSSA
1977-03-22 D62610 27.34NGVD291OUSGSSA
1977-03-22 D62611 26.26NAVD881OUSGSSA
1977-03-22 D72019117.66  1OUSGSSA
1978-03-14 D62610 52.57NGVD291GUSGSSA
1978-03-14 D62611 51.49NAVD881GUSGSSA
1978-03-14 D7201992.43  1GUSGSSA
1980-03-20 D62610 52.57NGVD291GUSGSSA
1980-03-20 D62611 51.49NAVD881GUSGSSA
1980-03-20 D7201992.43  1GUSGSSA
1981-03-0416:10 UTCm62610 50.57NGVD291GUSGSSA
1981-03-0416:10 UTCm62611 49.49NAVD881GUSGSSA
1981-03-0416:10 UTCm7201994.43  1GUSGSSA
1982-03-0315:20 UTCm62610 47.57NGVD291GUSGSSA
1982-03-0315:20 UTCm62611 46.49NAVD881GUSGSSA
1982-03-0315:20 UTCm7201997.43  1GUSGSSA
1983-04-0113:30 UTCm62610 51.74NGVD291OUSGSSA
1983-04-0113:30 UTCm62611 50.66NAVD881OUSGSSA
1983-04-0113:30 UTCm7201993.26  1OUSGSSA
1984-03-0215:15 UTCm62610 54.74NGVD291OUSGSSA
1984-03-0215:15 UTCm62611 53.66NAVD881OUSGSSA
1984-03-0215:15 UTCm7201990.26  1OUSGSSA
1986-07-1113:10 UTCm62610 54.60NGVD291OUSGSSA
1986-07-1113:10 UTCm62611 53.52NAVD881OUSGSSA
1986-07-1113:10 UTCm7201990.40  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 measurementGPressure-gage measurement.
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.