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Groundwater levels for the Nation

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USGS 405010073305901 N 7773. 1

Nassau County, New York
Latitude  40°50'10", Longitude  73°30'59" NAD27
Land-surface elevation 230.0 feet above NGVD29
The depth of the well is 565 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
1969-01-24 D62610 57.05NGVD291OUSGSSA
1969-01-24 D62611 55.99NAVD881OUSGSSA
1969-01-24 D72019172.95  1OUSGSSA
1970-03-05 D62610 58.35NGVD291OUSGSSA
1970-03-05 D62611 57.29NAVD881OUSGSSA
1970-03-05 D72019171.65  1OUSGSSA
1971-03-10 D62610 59.87NGVD291OUSGSSA
1971-03-10 D62611 58.81NAVD881OUSGSSA
1971-03-10 D72019170.13  1OUSGSSA
1972-03-14 D62610 59.97NGVD291OUSGSSA
1972-03-14 D62611 58.91NAVD881OUSGSSA
1972-03-14 D72019170.03  1OUSGSSA
1973-03-21 D62610 63.26NGVD291OUSGSSA
1973-03-21 D62611 62.20NAVD881OUSGSSA
1973-03-21 D72019166.74  1OUSGSSA
1974-03-26 D62610 66.71NGVD291OUSGSSA
1974-03-26 D62611 65.65NAVD881OUSGSSA
1974-03-26 D72019163.29  1OUSGSSA
1975-03-18 D62610 66.32NGVD291OUSGSSA
1975-03-18 D62611 65.26NAVD881OUSGSSA
1975-03-18 D72019163.68  1OUSGSSA
1976-03-19 D62610 67.71NGVD291OUSGSSA
1976-03-19 D62611 66.65NAVD881OUSGSSA
1976-03-19 D72019162.29  1OUSGSSA
1977-03-29 D62610 66.70NGVD291OUSGSSA
1977-03-29 D62611 65.64NAVD881OUSGSSA
1977-03-29 D72019163.30  1OUSGSSA
1978-03-14 D62610 68.22NGVD291OUSGSSA
1978-03-14 D62611 67.16NAVD881OUSGSSA
1978-03-14 D72019161.78  1OUSGSSA
1979-03-15 D62610 68.04NGVD291OUSGSSA
1979-03-15 D62611 66.98NAVD881OUSGSSA
1979-03-15 D72019161.96  1OUSGSSA
1980-03-13 D62610 70.15NGVD291OUSGSSA
1980-03-13 D62611 69.09NAVD881OUSGSSA
1980-03-13 D72019159.85  1OUSGSSA
1981-03-10 D62610 63.17NGVD291OUSGSSA
1981-03-10 D62611 62.11NAVD881OUSGSSA
1981-03-10 D72019166.83  1OUSGSSA
1988-05-0514:45 UTCm62610 61.83NGVD291OUSGSSA
1988-05-0514:45 UTCm62611 60.77NAVD881OUSGSSA
1988-05-0514:45 UTCm72019168.17  1OUSGSSA
1989-02-1614:50 UTCm62610 60.10NGVD291OUSGSSA
1989-02-1614:50 UTCm62611 59.04NAVD881OUSGSSA
1989-02-1614:50 UTCm72019169.90  1OUSGSSA
1990-04-0613:25 UTCm62610 64.22NGVD291OUSGSSA
1990-04-0613:25 UTCm62611 63.16NAVD881OUSGSSA
1990-04-0613:25 UTCm72019165.78  1OUSGSSA
1991-04-0314:25 UTCm62610 66.56NGVD291OUSGSSA
1991-04-0314:25 UTCm62611 65.50NAVD881OUSGSSA
1991-04-0314:25 UTCm72019163.44  1OUSGSSA
1992-03-2414:49 UTCm62610 65.34NGVD291OUSGSSA
1992-03-2414:49 UTCm62611 64.28NAVD881OUSGSSA
1992-03-2414:49 UTCm72019164.66  1OUSGSSA
1993-04-1314:18 UTCm62610 63.24NGVD291OUSGSSA
1993-04-1314:18 UTCm62611 62.18NAVD881OUSGSSA
1993-04-1314:18 UTCm72019166.76  1OUSGSSA
1994-04-1213:57 UTCm62610 62.28NGVD291OUSGSSA
1994-04-1213:57 UTCm62611 61.22NAVD881OUSGSSA
1994-04-1213:57 UTCm72019167.72  1OUSGSSA
1995-04-1114:30 UTCm62610 59.96NGVD291OUSGSSA
1995-04-1114:30 UTCm62611 58.90NAVD881OUSGSSA
1995-04-1114:30 UTCm72019170.04  1OUSGSSA
1996-04-0216:40 UTCm62610 57.37NGVD291OUSGSSA
1996-04-0216:40 UTCm62611 56.31NAVD881OUSGSSA
1996-04-0216:40 UTCm72019172.63  1OUSGSSA
1997-04-3016:24 UTCm62610 60.17NGVD291OUSGSSA
1997-04-3016:24 UTCm62611 59.11NAVD881OUSGSSA
1997-04-3016:24 UTCm72019169.83  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.