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Groundwater levels for the Nation

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USGS 404855073360001 N 7450. 1

Nassau County, New York
Latitude  40°48'55", Longitude  73°36'01" NAD27
Land-surface elevation 176.0 feet above NGVD29
The depth of the well is 134 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
1966-03-02 D62610 68.90NGVD291OUSGSSA
1966-03-02 D62611 67.82NAVD881OUSGSSA
1966-03-02 D72019107.10  1OUSGSSA
1966-06-02 D62610 68.25NGVD291OUSGSSA
1966-06-02 D62611 67.17NAVD881OUSGSSA
1966-06-02 D72019107.75  1OUSGSSA
1966-09-27 D62610 67.35NGVD291OUSGSSA
1966-09-27 D62611 66.27NAVD881OUSGSSA
1966-09-27 D72019108.65  1OUSGSSA
1966-12-21 D62610 65.65NGVD291OUSGSSA
1966-12-21 D62611 64.57NAVD881OUSGSSA
1966-12-21 D72019110.35  1OUSGSSA
1968-04-11 D62610 65.75NGVD291OUSGSSA
1968-04-11 D62611 64.67NAVD881OUSGSSA
1968-04-11 D72019110.25  1OUSGSSA
1968-09-26 D62610 65.87NGVD291OUSGSSA
1968-09-26 D62611 64.79NAVD881OUSGSSA
1968-09-26 D72019110.13  1OUSGSSA
1969-04-18 D62610 66.25NGVD291OUSGSSA
1969-04-18 D62611 65.17NAVD881OUSGSSA
1969-04-18 D72019109.75  1OUSGSSA
1969-09-24 D62610 67.06NGVD291OUSGSSA
1969-09-24 D62611 65.98NAVD881OUSGSSA
1969-09-24 D72019108.94  1OUSGSSA
1970-03-05 D62610 67.90NGVD291OUSGSSA
1970-03-05 D62611 66.82NAVD881OUSGSSA
1970-03-05 D72019108.10  1OUSGSSA
1970-09-18 D62610 69.52NGVD291OUSGSSA
1970-09-18 D62611 68.44NAVD881OUSGSSA
1970-09-18 D72019106.48  1OUSGSSA
1971-03-25 D62610 69.23NGVD291OUSGSSA
1971-03-25 D62611 68.15NAVD881OUSGSSA
1971-03-25 D72019106.77  1OUSGSSA
1971-07-16 D62610 68.14NGVD291OUSGSSA
1971-07-16 D62611 67.06NAVD881OUSGSSA
1971-07-16 D72019107.86  1OUSGSSA
1971-09-28 D62610 67.56NGVD291OUSGSSA
1971-09-28 D62611 66.48NAVD881OUSGSSA
1971-09-28 D72019108.44  1OUSGSSA
1971-12-16 D62610 67.76NGVD291OUSGSSA
1971-12-16 D62611 66.68NAVD881OUSGSSA
1971-12-16 D72019108.24  1OUSGSSA
1972-03-27 D62610 69.42NGVD291OUSGSSA
1972-03-27 D62611 68.34NAVD881OUSGSSA
1972-03-27 D72019106.58  1OUSGSSA
1972-06-08 D62610 69.12NGVD291OUSGSSA
1972-06-08 D62611 68.04NAVD881OUSGSSA
1972-06-08 D72019106.88  1OUSGSSA
1972-09-20 D62610 70.49NGVD291OUSGSSA
1972-09-20 D62611 69.41NAVD881OUSGSSA
1972-09-20 D72019105.51  1OUSGSSA
1972-12-29 D62610 71.90NGVD291OUSGSSA
1972-12-29 D62611 70.82NAVD881OUSGSSA
1972-12-29 D72019104.10  1OUSGSSA
1973-03-21 D62610 71.42NGVD291OUSGSSA
1973-03-21 D62611 70.34NAVD881OUSGSSA
1973-03-21 D72019104.58  1OUSGSSA
1973-06-19 D62610 73.18NGVD291OUSGSSA
1973-06-19 D62611 72.10NAVD881OUSGSSA
1973-06-19 D72019102.82  1OUSGSSA
1973-09-11 D62610 74.64NGVD291OUSGSSA
1973-09-11 D62611 73.56NAVD881OUSGSSA
1973-09-11 D72019101.36  1OUSGSSA
1973-09-19 D62610 74.64NGVD291OUSGSSA
1973-09-19 D62611 73.56NAVD881OUSGSSA
1973-09-19 D72019101.36  1OUSGSSA
1973-12-03 D62610 74.50NGVD291OUSGSSA
1973-12-03 D62611 73.42NAVD881OUSGSSA
1973-12-03 D72019101.50  1OUSGSSA
1974-03-26 D62610 74.65NGVD291OUSGSSA
1974-03-26 D62611 73.57NAVD881OUSGSSA
1974-03-26 D72019101.35  1OUSGSSA
1974-06-11 D62610 75.41NGVD291OUSGSSA
1974-06-11 D62611 74.33NAVD881OUSGSSA
1974-06-11 D72019100.59  1OUSGSSA
1974-09-17 D62610 74.69NGVD291OUSGSSA
1974-09-17 D62611 73.61NAVD881OUSGSSA
1974-09-17 D72019101.31  1OUSGSSA
1974-12-13 D62610 75.35NGVD291OUSGSSA
1974-12-13 D62611 74.27NAVD881OUSGSSA
1974-12-13 D72019100.65  1OUSGSSA
1975-03-19 D62610 75.11NGVD291OUSGSSA
1975-03-19 D62611 74.03NAVD881OUSGSSA
1975-03-19 D72019100.89  1OUSGSSA
1975-06-10 D62610 74.63NGVD291OUSGSSA
1975-06-10 D62611 73.55NAVD881OUSGSSA
1975-06-10 D72019101.37  1OUSGSSA
1975-09-10 D62610 75.12NGVD291OUSGSSA
1975-09-10 D62611 74.04NAVD881OUSGSSA
1975-09-10 D72019100.88  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.