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Groundwater levels for the Nation

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USGS 405204073345401 N 7665. 1

Nassau County, New York
Latitude  40°52'03", Longitude  73°35'00" NAD27
Land-surface elevation 218.0 feet above NGVD29
The depth of the well is 375 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
1970-03-05 D62610 46.01NGVD291OUSGSSA
1970-03-05 D62611 44.95NAVD881OUSGSSA
1970-03-05 D72019171.99  1OUSGSSA
1971-03-18 D62610 48.88NGVD291OUSGSSA
1971-03-18 D62611 47.82NAVD881OUSGSSA
1971-03-18 D72019169.12  1OUSGSSA
1972-03-13 D62610 46.12NGVD291OUSGSSA
1972-03-13 D62611 45.06NAVD881OUSGSSA
1972-03-13 D72019171.88  1OUSGSSA
1973-03-20 D62610 51.60NGVD291OUSGSSA
1973-03-20 D62611 50.54NAVD881OUSGSSA
1973-03-20 D72019166.40  1OUSGSSA
1974-03-25 D62610 53.47NGVD291OUSGSSA
1974-03-25 D62611 52.41NAVD881OUSGSSA
1974-03-25 D72019164.53  1OUSGSSA
1975-03-17 D62610 51.12NGVD291OUSGSSA
1975-03-17 D62611 50.06NAVD881OUSGSSA
1975-03-17 D72019166.88  1OUSGSSA
1976-03-18 D62610 54.66NGVD291OUSGSSA
1976-03-18 D62611 53.60NAVD881OUSGSSA
1976-03-18 D72019163.34  1OUSGSSA
1977-03-23 D62610 49.78NGVD291OUSGSSA
1977-03-23 D62611 48.72NAVD881OUSGSSA
1977-03-23 D72019168.22  1OUSGSSA
1978-03-1516:15 UTCm62610 49.34NGVD291GUSGSSA
1978-03-1516:15 UTCm62611 48.28NAVD881GUSGSSA
1978-03-1516:15 UTCm72019168.66  1GUSGSSA
1979-03-2015:00 UTCm62610 54.34NGVD291GUSGSSA
1979-03-2015:00 UTCm62611 53.28NAVD881GUSGSSA
1979-03-2015:00 UTCm72019163.66  1GUSGSSA
1980-03-11 D62610 46.48NGVD291OUSGSSA
1980-03-11 D62611 45.42NAVD881OUSGSSA
1980-03-11 D72019171.52  1OUSGSSA
1981-03-10 D62610 50.64NGVD291OUSGSSA
1981-03-10 D62611 49.58NAVD881OUSGSSA
1981-03-10 D72019167.36  1OUSGSSA
1982-03-1015:15 UTCm62610 47.90NGVD291OUSGSSA
1982-03-1015:15 UTCm62611 46.84NAVD881OUSGSSA
1982-03-1015:15 UTCm72019170.10  1OUSGSSA
1983-03-0716:05 UTCm62610 48.85NGVD291OUSGSSA
1983-03-0716:05 UTCm62611 47.79NAVD881OUSGSSA
1983-03-0716:05 UTCm72019169.15  1OUSGSSA
1988-05-2415:00 UTCm62610 46.61NGVD291SUSGSSA
1988-05-2415:00 UTCm62611 45.55NAVD881SUSGSSA
1988-05-2415:00 UTCm72019171.39  1SUSGSSA
1990-03-20 D62610 49.59NGVD291OUSGSSA
1990-03-20 D62611 48.53NAVD881OUSGSSA
1990-03-20 D72019168.41  1OUSGSSA
1993-04-2115:25 UTCm62610 58.57NGVD294OUSGSSA
1993-04-2115:25 UTCm62611 57.51NAVD884OUSGSSA
1993-04-2115:25 UTCm72019159.43  4OUSGSSA
1995-04-1816:50 UTCm62610 47.37NGVD291OUSGSSA
1995-04-1816:50 UTCm62611 46.31NAVD881OUSGSSA
1995-04-1816:50 UTCm72019170.63  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
Status4GWTideAffected
Method of measurementGPressure-gage measurement.
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.