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Groundwater levels for the Nation

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  • 404430073331002
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USGS 404430073331002 N 9235. 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 106 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
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Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
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Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
1980-05-14 D62610 74.38NGVD291OUSGSSA
1980-05-14 D62611 73.20NAVD881OUSGSSA
1980-05-14 D7201932.62  1OUSGSSA
1980-10-14 D62610 71.27NGVD291OUSGSSA
1980-10-14 D62611 70.09NAVD881OUSGSSA
1980-10-14 D7201935.73  1OUSGSSA
1981-01-19 D62610 70.33NGVD291OUSGSSA
1981-01-19 D62611 69.15NAVD881OUSGSSA
1981-01-19 D7201936.67  1OUSGSSA
1981-02-18 D62610 69.93NGVD291OUSGSSA
1981-02-18 D62611 68.75NAVD881OUSGSSA
1981-02-18 D7201937.07  1OUSGSSA
1981-03-23 D62610 69.69NGVD291OUSGSSA
1981-03-23 D62611 68.51NAVD881OUSGSSA
1981-03-23 D7201937.31  1OUSGSSA
1981-04-27 D62610 69.55NGVD291OUSGSSA
1981-04-27 D62611 68.37NAVD881OUSGSSA
1981-04-27 D7201937.45  1OUSGSSA
1981-05-26 D62610 69.36NGVD291OUSGSSA
1981-05-26 D62611 68.18NAVD881OUSGSSA
1981-05-26 D7201937.64  1OUSGSSA
1981-06-2317:00 UTCm62610 68.98NGVD291OUSGSSA
1981-06-2317:00 UTCm62611 67.80NAVD881OUSGSSA
1981-06-2317:00 UTCm7201938.02  1OUSGSSA
1981-07-2716:15 UTCm62610 68.83NGVD291OUSGSSA
1981-07-2716:15 UTCm62611 67.65NAVD881OUSGSSA
1981-07-2716:15 UTCm7201938.17  1OUSGSSA
1981-08-2416:30 UTCm62610 68.31NGVD291OUSGSSA
1981-08-2416:30 UTCm62611 67.13NAVD881OUSGSSA
1981-08-2416:30 UTCm7201938.69  1OUSGSSA
1981-10-0517:00 UTCm62610 67.93NGVD291OUSGSSA
1981-10-0517:00 UTCm62611 66.75NAVD881OUSGSSA
1981-10-0517:00 UTCm7201939.07  1OUSGSSA
1981-11-0216:45 UTCm62610 67.52NGVD291OUSGSSA
1981-11-0216:45 UTCm62611 66.34NAVD881OUSGSSA
1981-11-0216:45 UTCm7201939.48  1OUSGSSA
1981-12-0315:30 UTCm62610 67.22NGVD291OUSGSSA
1981-12-0315:30 UTCm62611 66.04NAVD881OUSGSSA
1981-12-0315:30 UTCm7201939.78  1OUSGSSA
1982-01-0515:45 UTCm62610 67.40NGVD291OUSGSSA
1982-01-0515:45 UTCm62611 66.22NAVD881OUSGSSA
1982-01-0515:45 UTCm7201939.60  1OUSGSSA
1982-02-0816:30 UTCm62610 68.37NGVD291OUSGSSA
1982-02-0816:30 UTCm62611 67.19NAVD881OUSGSSA
1982-02-0816:30 UTCm7201938.63  1OUSGSSA
1982-03-1715:00 UTCm62610 68.60NGVD291OUSGSSA
1982-03-1715:00 UTCm62611 67.42NAVD881OUSGSSA
1982-03-1715:00 UTCm7201938.40  1OUSGSSA
1982-04-1915:00 UTCm62610 68.16NGVD291OUSGSSA
1982-04-1915:00 UTCm62611 66.98NAVD881OUSGSSA
1982-04-1915:00 UTCm7201938.84  1OUSGSSA
1982-05-2616:30 UTCm62610 67.95NGVD291OUSGSSA
1982-05-2616:30 UTCm62611 66.77NAVD881OUSGSSA
1982-05-2616:30 UTCm7201939.05  1OUSGSSA
1982-07-0114:30 UTCm62610 68.49NGVD291OUSGSSA
1982-07-0114:30 UTCm62611 67.31NAVD881OUSGSSA
1982-07-0114:30 UTCm7201938.51  1OUSGSSA
1982-08-1315:15 UTCm62610 67.82NGVD291OUSGSSA
1982-08-1315:15 UTCm62611 66.64NAVD881OUSGSSA
1982-08-1315:15 UTCm7201939.18  1OUSGSSA
1982-09-2914:00 UTCm62610 66.98NGVD291OUSGSSA
1982-09-2914:00 UTCm62611 65.80NAVD881OUSGSSA
1982-09-2914:00 UTCm7201940.02  1OUSGSSA
1982-11-0213:30 UTCm62610 66.41NGVD291OUSGSSA
1982-11-0213:30 UTCm62611 65.23NAVD881OUSGSSA
1982-11-0213:30 UTCm7201940.59  1OUSGSSA
1982-12-0313:45 UTCm62610 66.09NGVD291OUSGSSA
1982-12-0313:45 UTCm62611 64.91NAVD881OUSGSSA
1982-12-0313:45 UTCm7201940.91  1OUSGSSA
1983-01-1313:45 UTCm62610 65.86NGVD291OUSGSSA
1983-01-1313:45 UTCm62611 64.68NAVD881OUSGSSA
1983-01-1313:45 UTCm7201941.14  1OUSGSSA
1983-02-2513:00 UTCm62610 65.37NGVD291OUSGSSA
1983-02-2513:00 UTCm62611 64.19NAVD881OUSGSSA
1983-02-2513:00 UTCm7201941.63  1OUSGSSA
1983-03-3113:00 UTCm62610 66.06NGVD291OUSGSSA
1983-03-3113:00 UTCm62611 64.88NAVD881OUSGSSA
1983-03-3113:00 UTCm7201940.94  1OUSGSSA
1983-05-0217:30 UTCm62610 69.22NGVD291OUSGSSA
1983-05-0217:30 UTCm62611 68.04NAVD881OUSGSSA
1983-05-0217:30 UTCm7201937.78  1OUSGSSA
1983-06-0616:30 UTCm62610 70.12NGVD291OUSGSSA
1983-06-0616:30 UTCm62611 68.94NAVD881OUSGSSA
1983-06-0616:30 UTCm7201936.88  1OUSGSSA
1983-07-1115:51 UTCm62610 69.24NGVD291OUSGSSA
1983-07-1115:51 UTCm62611 68.06NAVD881OUSGSSA
1983-07-1115:51 UTCm7201937.76  1OUSGSSA
1983-08-1517:04 UTCm62610 68.88NGVD291OUSGSSA
1983-08-1517:04 UTCm62611 67.70NAVD881OUSGSSA
1983-08-1517:04 UTCm7201938.12  1OUSGSSA
1983-09-2116:08 UTCm62610 68.06NGVD291OUSGSSA
1983-09-2116:08 UTCm62611 66.88NAVD881OUSGSSA
1983-09-2116:08 UTCm7201938.94  1OUSGSSA
1983-10-2715:42 UTCm62610 68.36NGVD291OUSGSSA
1983-10-2715:42 UTCm62611 67.18NAVD881OUSGSSA
1983-10-2715:42 UTCm7201938.64  1OUSGSSA
1983-12-0118:55 UTCm62610 68.96NGVD291OUSGSSA
1983-12-0118:55 UTCm62611 67.78NAVD881OUSGSSA
1983-12-0118:55 UTCm7201938.04  1OUSGSSA
1984-01-0915:10 UTCm62610 70.62NGVD291OUSGSSA
1984-01-0915:10 UTCm62611 69.44NAVD881OUSGSSA
1984-01-0915:10 UTCm7201936.38  1OUSGSSA
1984-02-0116:30 UTCm62610 70.54NGVD291OUSGSSA
1984-02-0116:30 UTCm62611 69.36NAVD881OUSGSSA
1984-02-0116:30 UTCm7201936.46  1OUSGSSA
1984-04-0214:40 UTCm62610 71.42NGVD291OUSGSSA
1984-04-0214:40 UTCm62611 70.24NAVD881OUSGSSA
1984-04-0214:40 UTCm7201935.58  1OUSGSSA
1984-05-2416:25 UTCm62610 72.86NGVD291OUSGSSA
1984-05-2416:25 UTCm62611 71.68NAVD881OUSGSSA
1984-05-2416:25 UTCm7201934.14  1OUSGSSA
1984-07-2515:10 UTCm62610 74.52NGVD291OUSGSSA
1984-07-2515:10 UTCm62611 73.34NAVD881OUSGSSA
1984-07-2515:10 UTCm7201932.48  1OUSGSSA
1984-09-2518:00 UTCm62610 72.92NGVD291OUSGSSA
1984-09-2518:00 UTCm62611 71.74NAVD881OUSGSSA
1984-09-2518:00 UTCm7201934.08  1OUSGSSA
1984-11-0814:00 UTCm62610 71.59NGVD291OUSGSSA
1984-11-0814:00 UTCm62611 70.41NAVD881OUSGSSA
1984-11-0814:00 UTCm7201935.41  1OUSGSSA
1985-01-1415:36 UTCm62610 69.96NGVD291OUSGSSA
1985-01-1415:36 UTCm62611 68.78NAVD881OUSGSSA
1985-01-1415:36 UTCm7201937.04  1OUSGSSA
1985-03-0615:15 UTCm62610 68.87NGVD291OUSGSSA
1985-03-0615:15 UTCm62611 67.69NAVD881OUSGSSA
1985-03-0615:15 UTCm7201938.13  1OUSGSSA
1985-05-1315:19 UTCm62610 67.87NGVD291OUSGSSA
1985-05-1315:19 UTCm62611 66.69NAVD881OUSGSSA
1985-05-1315:19 UTCm7201939.13  1OUSGSSA
1985-07-2416:53 UTCm62610 67.23NGVD291OUSGSSA
1985-07-2416:53 UTCm62611 66.05NAVD881OUSGSSA
1985-07-2416:53 UTCm7201939.77  1OUSGSSA
1985-08-1313:01 UTCm62610 67.09NGVD291OUSGSSA
1985-08-1313:01 UTCm62611 65.91NAVD881OUSGSSA
1985-08-1313:01 UTCm7201939.91  1OUSGSSA
1985-10-0115:03 UTCm62610 66.42NGVD291OUSGSSA
1985-10-0115:03 UTCm62611 65.24NAVD881OUSGSSA
1985-10-0115:03 UTCm7201940.58  1OUSGSSA
1986-01-0719:00 UTCm62610 65.89NGVD291OUSGSSA
1986-01-0719:00 UTCm62611 64.71NAVD881OUSGSSA
1986-01-0719:00 UTCm7201941.11  1OUSGSSA
1986-05-0813:45 UTCm62610 65.94NGVD291OUSGSSA
1986-05-0813:45 UTCm62611 64.76NAVD881OUSGSSA
1986-05-0813:45 UTCm7201941.06  1OUSGSSA
1986-12-1114:00 UTCm62610 62.83NGVD291OUSGSSA
1986-12-1114:00 UTCm62611 61.65NAVD881OUSGSSA
1986-12-1114:00 UTCm7201944.17  1OUSGSSA
1987-05-0716:00 UTCm62610 65.19NGVD291OUSGSSA
1987-05-0716:00 UTCm62611 64.01NAVD881OUSGSSA
1987-05-0716:00 UTCm7201941.81  1OUSGSSA
1987-05-1915:40 UTCm62610 65.08NGVD291OUSGSSA
1987-05-1915:40 UTCm62611 63.90NAVD881OUSGSSA
1987-05-1915:40 UTCm7201941.92  1OUSGSSA
1987-07-2918:25 UTCm62610 64.14NGVD291OUSGSSA
1987-07-2918:25 UTCm62611 62.96NAVD881OUSGSSA
1987-07-2918:25 UTCm7201942.86  1OUSGSSA
1990-08-17 D62610 68.23NGVD291OUSGSSA
1990-08-17 D62611 67.05NAVD881OUSGSSA
1990-08-17 D7201938.77  1OUSGSSA
1990-10-31 D62610 68.35NGVD291OUSGSSA
1990-10-31 D62611 67.17NAVD881OUSGSSA
1990-10-31 D7201938.65  1OUSGSSA
1991-03-2114:10 UTCm62610 68.58NGVD291OUSGSSA
1991-03-2114:10 UTCm62611 67.40NAVD881OUSGSSA
1991-03-2114:10 UTCm7201938.42  1OUSGSSA
1991-06-2814:20 UTCm62610 68.14NGVD291OUSGSSA
1991-06-2814:20 UTCm62611 66.96NAVD881OUSGSSA
1991-06-2814:20 UTCm7201938.86  1OUSGSSA
1991-10-2314:35 UTCm62610 67.05NGVD291OUSGSSA
1991-10-2314:35 UTCm62611 65.87NAVD881OUSGSSA
1991-10-2314:35 UTCm7201939.95  1OUSGSSA
1992-03-1613:40 UTCm62610 65.45NGVD291OUSGSSA
1992-03-1613:40 UTCm62611 64.27NAVD881OUSGSSA
1992-03-1613:40 UTCm7201941.55  1OUSGSSA
1992-06-2914:00 UTCm62610 64.26NGVD291OUSGSSA
1992-06-2914:00 UTCm62611 63.08NAVD881OUSGSSA
1992-06-2914:00 UTCm7201942.74  1OUSGSSA
1993-03-2319:20 UTCm62610 64.81NGVD291OUSGSSA
1993-03-2319:20 UTCm62611 63.63NAVD881OUSGSSA
1993-03-2319:20 UTCm7201942.19  1OUSGSSA
1994-03-3014:55 UTCm62610 64.01NGVD291OUSGSSA
1994-03-3014:55 UTCm62611 62.83NAVD881OUSGSSA
1994-03-3014:55 UTCm7201942.99  1OUSGSSA
1995-03-1312:05 UTCm62610 61.80NGVD291OUSGSSA
1995-03-1312:05 UTCm62611 60.62NAVD881OUSGSSA
1995-03-1312:05 UTCm7201945.20  1OUSGSSA
1998-03-2413:36 UTCm62610 64.27NGVD291SUSGSSA
1998-03-2413:36 UTCm62611 63.09NAVD881SUSGSSA
1998-03-2413:36 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.