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Groundwater levels for the Nation

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  • 404430073331001
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USGS 404430073331001 N 9234. 1

Nassau County, New York
Latitude  40°44'30", Longitude  73°33'10" NAD27
Land-surface elevation 107.0 feet above NGVD29
The depth of the well is 206 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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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 74.32NGVD291OUSGSSA
1980-05-14 D62611 73.14NAVD881OUSGSSA
1980-05-14 D7201932.68  1OUSGSSA
1980-10-14 D62610 71.25NGVD291OUSGSSA
1980-10-14 D62611 70.07NAVD881OUSGSSA
1980-10-14 D7201935.75  1OUSGSSA
1981-01-19 D62610 70.29NGVD291OUSGSSA
1981-01-19 D62611 69.11NAVD881OUSGSSA
1981-01-19 D7201936.71  1OUSGSSA
1981-02-18 D62610 69.93NGVD291OUSGSSA
1981-02-18 D62611 68.75NAVD881OUSGSSA
1981-02-18 D7201937.07  1OUSGSSA
1981-03-23 D62610 69.64NGVD291OUSGSSA
1981-03-23 D62611 68.46NAVD881OUSGSSA
1981-03-23 D7201937.36  1OUSGSSA
1981-04-27 D62610 69.44NGVD291OUSGSSA
1981-04-27 D62611 68.26NAVD881OUSGSSA
1981-04-27 D7201937.56  1OUSGSSA
1981-05-26 D62610 69.10NGVD291OUSGSSA
1981-05-26 D62611 67.92NAVD881OUSGSSA
1981-05-26 D7201937.90  1OUSGSSA
1981-06-2317:00 UTCm62610 68.81NGVD291OUSGSSA
1981-06-2317:00 UTCm62611 67.63NAVD881OUSGSSA
1981-06-2317:00 UTCm7201938.19  1OUSGSSA
1981-07-2716:15 UTCm62610 68.73NGVD291OUSGSSA
1981-07-2716:15 UTCm62611 67.55NAVD881OUSGSSA
1981-07-2716:15 UTCm7201938.27  1OUSGSSA
1981-08-2416:30 UTCm62610 68.04NGVD291OUSGSSA
1981-08-2416:30 UTCm62611 66.86NAVD881OUSGSSA
1981-08-2416:30 UTCm7201938.96  1OUSGSSA
1981-10-0517:00 UTCm62610 67.77NGVD291OUSGSSA
1981-10-0517:00 UTCm62611 66.59NAVD881OUSGSSA
1981-10-0517:00 UTCm7201939.23  1OUSGSSA
1981-11-0216:45 UTCm62610 67.37NGVD291OUSGSSA
1981-11-0216:45 UTCm62611 66.19NAVD881OUSGSSA
1981-11-0216:45 UTCm7201939.63  1OUSGSSA
1981-12-0315:30 UTCm62610 67.07NGVD291OUSGSSA
1981-12-0315:30 UTCm62611 65.89NAVD881OUSGSSA
1981-12-0315:30 UTCm7201939.93  1OUSGSSA
1982-01-0515:45 UTCm62610 67.36NGVD291OUSGSSA
1982-01-0515:45 UTCm62611 66.18NAVD881OUSGSSA
1982-01-0515:45 UTCm7201939.64  1OUSGSSA
1982-02-0816:30 UTCm62610 68.25NGVD291OUSGSSA
1982-02-0816:30 UTCm62611 67.07NAVD881OUSGSSA
1982-02-0816:30 UTCm7201938.75  1OUSGSSA
1982-03-1715:00 UTCm62610 68.47NGVD291OUSGSSA
1982-03-1715:00 UTCm62611 67.29NAVD881OUSGSSA
1982-03-1715:00 UTCm7201938.53  1OUSGSSA
1982-04-1915:00 UTCm62610 67.99NGVD291OUSGSSA
1982-04-1915:00 UTCm62611 66.81NAVD881OUSGSSA
1982-04-1915:00 UTCm7201939.01  1OUSGSSA
1982-05-2616:30 UTCm62610 67.73NGVD291OUSGSSA
1982-05-2616:30 UTCm62611 66.55NAVD881OUSGSSA
1982-05-2616:30 UTCm7201939.27  1OUSGSSA
1982-07-0114:30 UTCm62610 68.22NGVD291OUSGSSA
1982-07-0114:30 UTCm62611 67.04NAVD881OUSGSSA
1982-07-0114:30 UTCm7201938.78  1OUSGSSA
1982-08-1315:00 UTCm62610 67.65NGVD291OUSGSSA
1982-08-1315:00 UTCm62611 66.47NAVD881OUSGSSA
1982-08-1315:00 UTCm7201939.35  1OUSGSSA
1982-09-2914:00 UTCm62610 66.81NGVD291OUSGSSA
1982-09-2914:00 UTCm62611 65.63NAVD881OUSGSSA
1982-09-2914:00 UTCm7201940.19  1OUSGSSA
1982-11-0119:00 UTCm62610 66.16NGVD291OUSGSSA
1982-11-0119:00 UTCm62611 64.98NAVD881OUSGSSA
1982-11-0119:00 UTCm7201940.84  1OUSGSSA
1982-12-0313:30 UTCm62610 66.07NGVD291OUSGSSA
1982-12-0313:30 UTCm62611 64.89NAVD881OUSGSSA
1982-12-0313:30 UTCm7201940.93  1OUSGSSA
1983-01-1313:30 UTCm62610 65.80NGVD291OUSGSSA
1983-01-1313:30 UTCm62611 64.62NAVD881OUSGSSA
1983-01-1313:30 UTCm7201941.20  1OUSGSSA
1983-02-2513:00 UTCm62610 65.23NGVD291OUSGSSA
1983-02-2513:00 UTCm62611 64.05NAVD881OUSGSSA
1983-02-2513:00 UTCm7201941.77  1OUSGSSA
1983-03-3112:45 UTCm62610 65.95NGVD291OUSGSSA
1983-03-3112:45 UTCm62611 64.77NAVD881OUSGSSA
1983-03-3112:45 UTCm7201941.05  1OUSGSSA
1983-05-0217:15 UTCm62610 69.02NGVD291OUSGSSA
1983-05-0217:15 UTCm62611 67.84NAVD881OUSGSSA
1983-05-0217:15 UTCm7201937.98  1OUSGSSA
1983-05-0515:00 UTCm62610 69.34NGVD291OUSGSSA
1983-05-0515:00 UTCm62611 68.16NAVD881OUSGSSA
1983-05-0515:00 UTCm7201937.66  1OUSGSSA
1983-05-0617:26 UTCm62610 69.43NGVD291OUSGSSA
1983-05-0617:26 UTCm62611 68.25NAVD881OUSGSSA
1983-05-0617:26 UTCm7201937.57  1OUSGSSA
1983-06-0616:30 UTCm62610 69.84NGVD291OUSGSSA
1983-06-0616:30 UTCm62611 68.66NAVD881OUSGSSA
1983-06-0616:30 UTCm7201937.16  1OUSGSSA
1983-07-1115:37 UTCm62610 68.92NGVD291OUSGSSA
1983-07-1115:37 UTCm62611 67.74NAVD881OUSGSSA
1983-07-1115:37 UTCm7201938.08  1OUSGSSA
1983-08-1516:52 UTCm62610 68.71NGVD291OUSGSSA
1983-08-1516:52 UTCm62611 67.53NAVD881OUSGSSA
1983-08-1516:52 UTCm7201938.29  1OUSGSSA
1983-09-2116:01 UTCm62610 67.72NGVD291OUSGSSA
1983-09-2116:01 UTCm62611 66.54NAVD881OUSGSSA
1983-09-2116:01 UTCm7201939.28  1OUSGSSA
1983-10-2715:31 UTCm62610 68.17NGVD291OUSGSSA
1983-10-2715:31 UTCm62611 66.99NAVD881OUSGSSA
1983-10-2715:31 UTCm7201938.83  1OUSGSSA
1983-12-0118:50 UTCm62610 68.82NGVD291OUSGSSA
1983-12-0118:50 UTCm62611 67.64NAVD881OUSGSSA
1983-12-0118:50 UTCm7201938.18  1OUSGSSA
1984-01-0915:10 UTCm62610 70.49NGVD291OUSGSSA
1984-01-0915:10 UTCm62611 69.31NAVD881OUSGSSA
1984-01-0915:10 UTCm7201936.51  1OUSGSSA
1984-02-0116:25 UTCm62610 70.39NGVD291OUSGSSA
1984-02-0116:25 UTCm62611 69.21NAVD881OUSGSSA
1984-02-0116:25 UTCm7201936.61  1OUSGSSA
1984-04-0214:40 UTCm62610 71.28NGVD291OUSGSSA
1984-04-0214:40 UTCm62611 70.10NAVD881OUSGSSA
1984-04-0214:40 UTCm7201935.72  1OUSGSSA
1984-05-2416:45 UTCm62610 72.65NGVD291OUSGSSA
1984-05-2416:45 UTCm62611 71.47NAVD881OUSGSSA
1984-05-2416:45 UTCm7201934.35  1OUSGSSA
1984-07-2515:10 UTCm62610 74.26NGVD291OUSGSSA
1984-07-2515:10 UTCm62611 73.08NAVD881OUSGSSA
1984-07-2515:10 UTCm7201932.74  1OUSGSSA
1984-09-2518:00 UTCm62610 72.62NGVD291OUSGSSA
1984-09-2518:00 UTCm62611 71.44NAVD881OUSGSSA
1984-09-2518:00 UTCm7201934.38  1OUSGSSA
1984-11-0814:00 UTCm62610 71.47NGVD291OUSGSSA
1984-11-0814:00 UTCm62611 70.29NAVD881OUSGSSA
1984-11-0814:00 UTCm7201935.53  1OUSGSSA
1985-01-1415:36 UTCm62610 69.80NGVD291OUSGSSA
1985-01-1415:36 UTCm62611 68.62NAVD881OUSGSSA
1985-01-1415:36 UTCm7201937.20  1OUSGSSA
1985-03-0617:45 UTCm62610 68.74NGVD291OUSGSSA
1985-03-0617:45 UTCm62611 67.56NAVD881OUSGSSA
1985-03-0617:45 UTCm7201938.26  1OUSGSSA
1985-05-1315:18 UTCm62610 67.74NGVD291OUSGSSA
1985-05-1315:18 UTCm62611 66.56NAVD881OUSGSSA
1985-05-1315:18 UTCm7201939.26  1OUSGSSA
1985-07-2416:37 UTCm62610 67.06NGVD291OUSGSSA
1985-07-2416:37 UTCm62611 65.88NAVD881OUSGSSA
1985-07-2416:37 UTCm7201939.94  1OUSGSSA
1985-08-1313:00 UTCm62610 66.96NGVD291OUSGSSA
1985-08-1313:00 UTCm62611 65.78NAVD881OUSGSSA
1985-08-1313:00 UTCm7201940.04  1OUSGSSA
1985-10-0115:02 UTCm62610 66.22NGVD291OUSGSSA
1985-10-0115:02 UTCm62611 65.04NAVD881OUSGSSA
1985-10-0115:02 UTCm7201940.78  1OUSGSSA
1986-01-0719:00 UTCm62610 65.79NGVD291OUSGSSA
1986-01-0719:00 UTCm62611 64.61NAVD881OUSGSSA
1986-01-0719:00 UTCm7201941.21  1OUSGSSA
1986-05-0813:40 UTCm62610 65.85NGVD291OUSGSSA
1986-05-0813:40 UTCm62611 64.67NAVD881OUSGSSA
1986-05-0813:40 UTCm7201941.15  1OUSGSSA
1986-12-1114:00 UTCm62610 62.77NGVD291OUSGSSA
1986-12-1114:00 UTCm62611 61.59NAVD881OUSGSSA
1986-12-1114:00 UTCm7201944.23  1OUSGSSA
1987-05-0716:00 UTCm62610 64.99NGVD291OUSGSSA
1987-05-0716:00 UTCm62611 63.81NAVD881OUSGSSA
1987-05-0716:00 UTCm7201942.01  1OUSGSSA
1987-05-1915:35 UTCm62610 64.98NGVD291OUSGSSA
1987-05-1915:35 UTCm62611 63.80NAVD881OUSGSSA
1987-05-1915:35 UTCm7201942.02  1OUSGSSA
1987-07-2918:22 UTCm62610 63.92NGVD291OUSGSSA
1987-07-2918:22 UTCm62611 62.74NAVD881OUSGSSA
1987-07-2918:22 UTCm7201943.08  1OUSGSSA
1990-08-17 D62610 67.95NGVD291OUSGSSA
1990-08-17 D62611 66.77NAVD881OUSGSSA
1990-08-17 D7201939.05  1OUSGSSA
1990-10-31 D62610 68.25NGVD291OUSGSSA
1990-10-31 D62611 67.07NAVD881OUSGSSA
1990-10-31 D7201938.75  1OUSGSSA
1991-03-2114:05 UTCm62610 68.49NGVD291OUSGSSA
1991-03-2114:05 UTCm62611 67.31NAVD881OUSGSSA
1991-03-2114:05 UTCm7201938.51  1OUSGSSA
1991-06-2814:15 UTCm62610 67.93NGVD291OUSGSSA
1991-06-2814:15 UTCm62611 66.75NAVD881OUSGSSA
1991-06-2814:15 UTCm7201939.07  1OUSGSSA
1991-10-2314:30 UTCm62610 66.99NGVD291OUSGSSA
1991-10-2314:30 UTCm62611 65.81NAVD881OUSGSSA
1991-10-2314:30 UTCm7201940.01  1OUSGSSA
1992-03-1613:40 UTCm62610 65.37NGVD291OUSGSSA
1992-03-1613:40 UTCm62611 64.19NAVD881OUSGSSA
1992-03-1613:40 UTCm7201941.63  1OUSGSSA
1992-06-2914:00 UTCm62610 64.06NGVD291OUSGSSA
1992-06-2914:00 UTCm62611 62.88NAVD881OUSGSSA
1992-06-2914:00 UTCm7201942.94  1OUSGSSA
1993-03-2319:20 UTCm62610 64.77NGVD291OUSGSSA
1993-03-2319:20 UTCm62611 63.59NAVD881OUSGSSA
1993-03-2319:20 UTCm7201942.23  1OUSGSSA
1994-03-3014:55 UTCm62610 63.93NGVD291OUSGSSA
1994-03-3014:55 UTCm62611 62.75NAVD881OUSGSSA
1994-03-3014:55 UTCm7201943.07  1OUSGSSA
1995-03-1312:07 UTCm62610 61.70NGVD291OUSGSSA
1995-03-1312:07 UTCm62611 60.52NAVD881OUSGSSA
1995-03-1312:07 UTCm7201945.30  1OUSGSSA
1998-03-2413:34 UTCm62610 64.27NGVD291SUSGSSA
1998-03-2413:34 UTCm62611 63.09NAVD881SUSGSSA
1998-03-2413:34 UTCm7201942.73  1SUSGSSA

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.
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.