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Groundwater levels for the Nation

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USGS 404414073325301 N 9449. 1

Nassau County, New York
Latitude  40°44'14", Longitude  73°32'53" NAD27
Land-surface elevation 101.0 feet above NGVD29
The depth of the well is 199 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.
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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
1980-05-14 D62610 71.52NGVD291OUSGSSA
1980-05-14 D62611 70.34NAVD881OUSGSSA
1980-05-14 D7201929.48  1OUSGSSA
1980-10-14 D62610 68.70NGVD291OUSGSSA
1980-10-14 D62611 67.52NAVD881OUSGSSA
1980-10-14 D7201932.30  1OUSGSSA
1981-01-19 D62610 67.50NGVD291OUSGSSA
1981-01-19 D62611 66.32NAVD881OUSGSSA
1981-01-19 D7201933.50  1OUSGSSA
1981-02-18 D62610 67.10NGVD291OUSGSSA
1981-02-18 D62611 65.92NAVD881OUSGSSA
1981-02-18 D7201933.90  1OUSGSSA
1981-03-23 D62610 67.05NGVD291OUSGSSA
1981-03-23 D62611 65.87NAVD881OUSGSSA
1981-03-23 D7201933.95  1OUSGSSA
1981-04-27 D62610 66.43NGVD291OUSGSSA
1981-04-27 D62611 65.25NAVD881OUSGSSA
1981-04-27 D7201934.57  1OUSGSSA
1981-05-26 D62610 66.09NGVD291OUSGSSA
1981-05-26 D62611 64.91NAVD881OUSGSSA
1981-05-26 D7201934.91  1OUSGSSA
1981-06-2316:15 UTCm62610 65.70NGVD291OUSGSSA
1981-06-2316:15 UTCm62611 64.52NAVD881OUSGSSA
1981-06-2316:15 UTCm7201935.30  1OUSGSSA
1981-07-2717:30 UTCm62610 65.54NGVD291OUSGSSA
1981-07-2717:30 UTCm62611 64.36NAVD881OUSGSSA
1981-07-2717:30 UTCm7201935.46  1OUSGSSA
1981-08-2415:45 UTCm62610 65.09NGVD291OUSGSSA
1981-08-2415:45 UTCm62611 63.91NAVD881OUSGSSA
1981-08-2415:45 UTCm7201935.91  1OUSGSSA
1981-10-0516:45 UTCm62610 64.82NGVD291OUSGSSA
1981-10-0516:45 UTCm62611 63.64NAVD881OUSGSSA
1981-10-0516:45 UTCm7201936.18  1OUSGSSA
1981-11-0216:15 UTCm62610 64.52NGVD291OUSGSSA
1981-11-0216:15 UTCm62611 63.34NAVD881OUSGSSA
1981-11-0216:15 UTCm7201936.48  1OUSGSSA
1981-12-0315:15 UTCm62610 64.30NGVD291OUSGSSA
1981-12-0315:15 UTCm62611 63.12NAVD881OUSGSSA
1981-12-0315:15 UTCm7201936.70  1OUSGSSA
1982-01-0515:30 UTCm62610 64.45NGVD291OUSGSSA
1982-01-0515:30 UTCm62611 63.27NAVD881OUSGSSA
1982-01-0515:30 UTCm7201936.55  1OUSGSSA
1982-02-0816:15 UTCm62610 65.32NGVD291OUSGSSA
1982-02-0816:15 UTCm62611 64.14NAVD881OUSGSSA
1982-02-0816:15 UTCm7201935.68  1OUSGSSA
1982-03-1714:45 UTCm62610 65.46NGVD291OUSGSSA
1982-03-1714:45 UTCm62611 64.28NAVD881OUSGSSA
1982-03-1714:45 UTCm7201935.54  1OUSGSSA
1982-04-1914:45 UTCm62610 65.19NGVD291OUSGSSA
1982-04-1914:45 UTCm62611 64.01NAVD881OUSGSSA
1982-04-1914:45 UTCm7201935.81  1OUSGSSA
1982-05-2616:00 UTCm62610 65.18NGVD291OUSGSSA
1982-05-2616:00 UTCm62611 64.00NAVD881OUSGSSA
1982-05-2616:00 UTCm7201935.82  1OUSGSSA
1982-07-0114:15 UTCm62610 65.50NGVD291OUSGSSA
1982-07-0114:15 UTCm62611 64.32NAVD881OUSGSSA
1982-07-0114:15 UTCm7201935.50  1OUSGSSA
1982-08-1314:30 UTCm62610 65.03NGVD291OUSGSSA
1982-08-1314:30 UTCm62611 63.85NAVD881OUSGSSA
1982-08-1314:30 UTCm7201935.97  1OUSGSSA
1982-09-2815:30 UTCm62610 64.25NGVD291OUSGSSA
1982-09-2815:30 UTCm62611 63.07NAVD881OUSGSSA
1982-09-2815:30 UTCm7201936.75  1OUSGSSA
1982-09-2913:30 UTCm62610 64.23NGVD291OUSGSSA
1982-09-2913:30 UTCm62611 63.05NAVD881OUSGSSA
1982-09-2913:30 UTCm7201936.77  1OUSGSSA
1982-11-0118:15 UTCm62610 64.12NGVD291OUSGSSA
1982-11-0118:15 UTCm62611 62.94NAVD881OUSGSSA
1982-11-0118:15 UTCm7201936.88  1OUSGSSA
1982-12-0312:45 UTCm62610 63.39NGVD291OUSGSSA
1982-12-0312:45 UTCm62611 62.21NAVD881OUSGSSA
1982-12-0312:45 UTCm7201937.61  1OUSGSSA
1983-01-1317:30 UTCm62610 63.32NGVD291OUSGSSA
1983-01-1317:30 UTCm62611 62.14NAVD881OUSGSSA
1983-01-1317:30 UTCm7201937.68  1OUSGSSA
1983-02-2516:00 UTCm62610 62.63NGVD291OUSGSSA
1983-02-2516:00 UTCm62611 61.45NAVD881OUSGSSA
1983-02-2516:00 UTCm7201938.37  1OUSGSSA
1983-03-3018:00 UTCm62610 63.40NGVD291OUSGSSA
1983-03-3018:00 UTCm62611 62.22NAVD881OUSGSSA
1983-03-3018:00 UTCm7201937.60  1OUSGSSA
1983-05-0216:45 UTCm62610 67.29NGVD291OUSGSSA
1983-05-0216:45 UTCm62611 66.11NAVD881OUSGSSA
1983-05-0216:45 UTCm7201933.71  1OUSGSSA
1983-06-0615:45 UTCm62610 68.10NGVD291OUSGSSA
1983-06-0615:45 UTCm62611 66.92NAVD881OUSGSSA
1983-06-0615:45 UTCm7201932.90  1OUSGSSA
1983-07-1115:09 UTCm62610 67.05NGVD291OUSGSSA
1983-07-1115:09 UTCm62611 65.87NAVD881OUSGSSA
1983-07-1115:09 UTCm7201933.95  1OUSGSSA
1983-08-1516:20 UTCm62610 67.37NGVD291OUSGSSA
1983-08-1516:20 UTCm62611 66.19NAVD881OUSGSSA
1983-08-1516:20 UTCm7201933.63  1OUSGSSA
1983-09-2115:34 UTCm62610 66.06NGVD291OUSGSSA
1983-09-2115:34 UTCm62611 64.88NAVD881OUSGSSA
1983-09-2115:34 UTCm7201934.94  1OUSGSSA
1983-10-2715:03 UTCm62610 66.64NGVD291OUSGSSA
1983-10-2715:03 UTCm62611 65.46NAVD881OUSGSSA
1983-10-2715:03 UTCm7201934.36  1OUSGSSA
1983-12-0118:25 UTCm62610 67.07NGVD291OUSGSSA
1983-12-0118:25 UTCm62611 65.89NAVD881OUSGSSA
1983-12-0118:25 UTCm7201933.93  1OUSGSSA
1984-01-0918:20 UTCm62610 68.52NGVD291OUSGSSA
1984-01-0918:20 UTCm62611 67.34NAVD881OUSGSSA
1984-01-0918:20 UTCm7201932.48  1OUSGSSA
1984-02-0116:10 UTCm62610 67.63NGVD291OUSGSSA
1984-02-0116:10 UTCm62611 66.45NAVD881OUSGSSA
1984-02-0116:10 UTCm7201933.37  1OUSGSSA
1984-04-0214:15 UTCm62610 68.45NGVD291OUSGSSA
1984-04-0214:15 UTCm62611 67.27NAVD881OUSGSSA
1984-04-0214:15 UTCm7201932.55  1OUSGSSA
1984-05-2416:25 UTCm62610 69.79NGVD291OUSGSSA
1984-05-2416:25 UTCm62611 68.61NAVD881OUSGSSA
1984-05-2416:25 UTCm7201931.21  1OUSGSSA
1984-07-2416:15 UTCm62610 71.31NGVD291OUSGSSA
1984-07-2416:15 UTCm62611 70.13NAVD881OUSGSSA
1984-07-2416:15 UTCm7201929.69  1OUSGSSA
1984-09-2517:30 UTCm62610 69.69NGVD291OUSGSSA
1984-09-2517:30 UTCm62611 68.51NAVD881OUSGSSA
1984-09-2517:30 UTCm7201931.31  1OUSGSSA
1984-11-0719:00 UTCm62610 68.43NGVD291OUSGSSA
1984-11-0719:00 UTCm62611 67.25NAVD881OUSGSSA
1984-11-0719:00 UTCm7201932.57  1OUSGSSA
1985-01-1415:24 UTCm62610 66.87NGVD291OUSGSSA
1985-01-1415:24 UTCm62611 65.69NAVD881OUSGSSA
1985-01-1415:24 UTCm7201934.13  1OUSGSSA
1985-03-1315:30 UTCm62610 65.70NGVD291OUSGSSA
1985-03-1315:30 UTCm62611 64.52NAVD881OUSGSSA
1985-03-1315:30 UTCm7201935.30  1OUSGSSA
1985-07-0916:35 UTCm62610 64.33NGVD291OUSGSSA
1985-07-0916:35 UTCm62611 63.15NAVD881OUSGSSA
1985-07-0916:35 UTCm7201936.67  1OUSGSSA
1987-03-0317:00 UTCm62610 61.42NGVD291OUSGSSA
1987-03-0317:00 UTCm62611 60.24NAVD881OUSGSSA
1987-03-0317:00 UTCm7201939.58  1OUSGSSA
1987-05-1915:00 UTCm62610 62.31NGVD291OUSGSSA
1987-05-1915:00 UTCm62611 61.13NAVD881OUSGSSA
1987-05-1915:00 UTCm7201938.69  1OUSGSSA
1987-07-2918:04 UTCm62610 61.16NGVD291OUSGSSA
1987-07-2918:04 UTCm62611 59.98NAVD881OUSGSSA
1987-07-2918:04 UTCm7201939.84  1OUSGSSA
1987-11-0516:40 UTCm62610 59.80NGVD29POUSGSSA
1987-11-0516:40 UTCm62611 58.62NAVD88POUSGSSA
1987-11-0516:40 UTCm7201941.20  POUSGSSA

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
StatusPWater level was affected by pumping at the time of the 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.