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Groundwater levels for the Nation

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USGS 404410073331202 N 9361. 1

Nassau County, New York
Latitude  40°44'10", Longitude  73°33'12" NAD27
Land-surface elevation 102.0 feet above NGVD29
The depth of the well is 99 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 70.58NGVD291OUSGSSA
1980-05-14 D62611 69.40NAVD881OUSGSSA
1980-05-14 D7201931.42  1OUSGSSA
1980-10-14 D62610 67.60NGVD291OUSGSSA
1980-10-14 D62611 66.42NAVD881OUSGSSA
1980-10-14 D7201934.40  1OUSGSSA
1981-01-19 D62610 66.55NGVD291OUSGSSA
1981-01-19 D62611 65.37NAVD881OUSGSSA
1981-01-19 D7201935.45  1OUSGSSA
1981-02-18 D62610 66.18NGVD291OUSGSSA
1981-02-18 D62611 65.00NAVD881OUSGSSA
1981-02-18 D7201935.82  1OUSGSSA
1981-03-23 D62610 66.05NGVD291OUSGSSA
1981-03-23 D62611 64.87NAVD881OUSGSSA
1981-03-23 D7201935.95  1OUSGSSA
1981-04-27 D62610 65.84NGVD291OUSGSSA
1981-04-27 D62611 64.66NAVD881OUSGSSA
1981-04-27 D7201936.16  1OUSGSSA
1981-05-26 D62610 65.76NGVD291OUSGSSA
1981-05-26 D62611 64.58NAVD881OUSGSSA
1981-05-26 D7201936.24  1OUSGSSA
1981-06-2315:00 UTCm62610 65.35NGVD291OUSGSSA
1981-06-2315:00 UTCm62611 64.17NAVD881OUSGSSA
1981-06-2315:00 UTCm7201936.65  1OUSGSSA
1981-07-2716:30 UTCm62610 65.21NGVD291OUSGSSA
1981-07-2716:30 UTCm62611 64.03NAVD881OUSGSSA
1981-07-2716:30 UTCm7201936.79  1OUSGSSA
1981-08-2415:00 UTCm62610 64.76NGVD291OUSGSSA
1981-08-2415:00 UTCm62611 63.58NAVD881OUSGSSA
1981-08-2415:00 UTCm7201937.24  1OUSGSSA
1981-10-0515:40 UTCm62610 64.33NGVD291OUSGSSA
1981-10-0515:40 UTCm62611 63.15NAVD881OUSGSSA
1981-10-0515:40 UTCm7201937.67  1OUSGSSA
1981-11-0215:50 UTCm62610 63.99NGVD291OUSGSSA
1981-11-0215:50 UTCm62611 62.81NAVD881OUSGSSA
1981-11-0215:50 UTCm7201938.01  1OUSGSSA
1981-12-0314:45 UTCm62610 63.76NGVD291OUSGSSA
1981-12-0314:45 UTCm62611 62.58NAVD881OUSGSSA
1981-12-0314:45 UTCm7201938.24  1OUSGSSA
1982-01-0515:00 UTCm62610 63.67NGVD291OUSGSSA
1982-01-0515:00 UTCm62611 62.49NAVD881OUSGSSA
1982-01-0515:00 UTCm7201938.33  1OUSGSSA
1982-02-0815:45 UTCm62610 64.94NGVD291OUSGSSA
1982-02-0815:45 UTCm62611 63.76NAVD881OUSGSSA
1982-02-0815:45 UTCm7201937.06  1OUSGSSA
1982-03-1714:15 UTCm62610 64.97NGVD291OUSGSSA
1982-03-1714:15 UTCm62611 63.79NAVD881OUSGSSA
1982-03-1714:15 UTCm7201937.03  1OUSGSSA
1982-04-1914:15 UTCm62610 64.68NGVD291OUSGSSA
1982-04-1914:15 UTCm62611 63.50NAVD881OUSGSSA
1982-04-1914:15 UTCm7201937.32  1OUSGSSA
1982-05-2615:55 UTCm62610 64.66NGVD291OUSGSSA
1982-05-2615:55 UTCm62611 63.48NAVD881OUSGSSA
1982-05-2615:55 UTCm7201937.34  1OUSGSSA
1982-07-0113:45 UTCm62610 65.13NGVD291OUSGSSA
1982-07-0113:45 UTCm62611 63.95NAVD881OUSGSSA
1982-07-0113:45 UTCm7201936.87  1OUSGSSA
1982-08-1314:00 UTCm62610 64.62NGVD291OUSGSSA
1982-08-1314:00 UTCm62611 63.44NAVD881OUSGSSA
1982-08-1314:00 UTCm7201937.38  1OUSGSSA
1982-09-2814:45 UTCm62610 63.84NGVD291OUSGSSA
1982-09-2814:45 UTCm62611 62.66NAVD881OUSGSSA
1982-09-2814:45 UTCm7201938.16  1OUSGSSA
1982-11-0215:45 UTCm62610 63.58NGVD291OUSGSSA
1982-11-0215:45 UTCm62611 62.40NAVD881OUSGSSA
1982-11-0215:45 UTCm7201938.42  1OUSGSSA
1982-12-0218:00 UTCm62610 62.96NGVD291OUSGSSA
1982-12-0218:00 UTCm62611 61.78NAVD881OUSGSSA
1982-12-0218:00 UTCm7201939.04  1OUSGSSA
1983-01-1316:15 UTCm62610 62.83NGVD291OUSGSSA
1983-01-1316:15 UTCm62611 61.65NAVD881OUSGSSA
1983-01-1316:15 UTCm7201939.17  1OUSGSSA
1983-02-2515:00 UTCm62610 62.29NGVD291OUSGSSA
1983-02-2515:00 UTCm62611 61.11NAVD881OUSGSSA
1983-02-2515:00 UTCm7201939.71  1OUSGSSA
1983-03-3017:15 UTCm62610 62.94NGVD291OUSGSSA
1983-03-3017:15 UTCm62611 61.76NAVD881OUSGSSA
1983-03-3017:15 UTCm7201939.06  1OUSGSSA
1983-05-0215:45 UTCm62610 66.55NGVD291OUSGSSA
1983-05-0215:45 UTCm62611 65.37NAVD881OUSGSSA
1983-05-0215:45 UTCm7201935.45  1OUSGSSA
1983-06-0614:45 UTCm62610 67.41NGVD291OUSGSSA
1983-06-0614:45 UTCm62611 66.23NAVD881OUSGSSA
1983-06-0614:45 UTCm7201934.59  1OUSGSSA
1983-07-1114:26 UTCm62610 66.56NGVD291OUSGSSA
1983-07-1114:26 UTCm62611 65.38NAVD881OUSGSSA
1983-07-1114:26 UTCm7201935.44  1OUSGSSA
1983-08-1515:04 UTCm62610 66.13NGVD291OUSGSSA
1983-08-1515:04 UTCm62611 64.95NAVD881OUSGSSA
1983-08-1515:04 UTCm7201935.87  1OUSGSSA
1983-09-2114:54 UTCm62610 65.50NGVD291OUSGSSA
1983-09-2114:54 UTCm62611 64.32NAVD881OUSGSSA
1983-09-2114:54 UTCm7201936.50  1OUSGSSA
1983-10-2714:22 UTCm62610 67.09NGVD291OUSGSSA
1983-10-2714:22 UTCm62611 65.91NAVD881OUSGSSA
1983-10-2714:22 UTCm7201934.91  1OUSGSSA
1983-12-0115:17 UTCm62610 67.95NGVD291OUSGSSA
1983-12-0115:17 UTCm62611 66.77NAVD881OUSGSSA
1983-12-0115:17 UTCm7201934.05  1OUSGSSA
1984-01-0914:22 UTCm62610 67.92NGVD291OUSGSSA
1984-01-0914:22 UTCm62611 66.74NAVD881OUSGSSA
1984-01-0914:22 UTCm7201934.08  1OUSGSSA
1984-02-0214:45 UTCm62610 67.33NGVD291OUSGSSA
1984-02-0214:45 UTCm62611 66.15NAVD881OUSGSSA
1984-02-0214:45 UTCm7201934.67  1OUSGSSA
1984-04-0218:45 UTCm62610 68.06NGVD291OUSGSSA
1984-04-0218:45 UTCm62611 66.88NAVD881OUSGSSA
1984-04-0218:45 UTCm7201933.94  1OUSGSSA
1984-06-0116:15 UTCm62610 69.50NGVD291OUSGSSA
1984-06-0116:15 UTCm62611 68.32NAVD881OUSGSSA
1984-06-0116:15 UTCm7201932.50  1OUSGSSA
1984-07-2614:45 UTCm62610 70.86NGVD291OUSGSSA
1984-07-2614:45 UTCm62611 69.68NAVD881OUSGSSA
1984-07-2614:45 UTCm7201931.14  1OUSGSSA
1984-09-2718:00 UTCm62610 69.31NGVD291OUSGSSA
1984-09-2718:00 UTCm62611 68.13NAVD881OUSGSSA
1984-09-2718:00 UTCm7201932.69  1OUSGSSA
1984-11-0716:45 UTCm62610 68.01NGVD291OUSGSSA
1984-11-0716:45 UTCm62611 66.83NAVD881OUSGSSA
1984-11-0716:45 UTCm7201933.99  1OUSGSSA
1985-01-1416:06 UTCm62610 66.43NGVD291OUSGSSA
1985-01-1416:06 UTCm62611 65.25NAVD881OUSGSSA
1985-01-1416:06 UTCm7201935.57  1OUSGSSA
1985-03-0718:20 UTCm62610 65.50NGVD291OUSGSSA
1985-03-0718:20 UTCm62611 64.32NAVD881OUSGSSA
1985-03-0718:20 UTCm7201936.50  1OUSGSSA
1985-05-1415:37 UTCm62610 64.41NGVD291OUSGSSA
1985-05-1415:37 UTCm62611 63.23NAVD881OUSGSSA
1985-05-1415:37 UTCm7201937.59  1OUSGSSA
1985-07-2315:00 UTCm62610 63.77NGVD291OUSGSSA
1985-07-2315:00 UTCm62611 62.59NAVD881OUSGSSA
1985-07-2315:00 UTCm7201938.23  1OUSGSSA
1985-08-0715:00 UTCm62610 63.66NGVD291OUSGSSA
1985-08-0715:00 UTCm62611 62.48NAVD881OUSGSSA
1985-08-0715:00 UTCm7201938.34  1OUSGSSA
1985-09-2615:31 UTCm62610 63.00NGVD291OUSGSSA
1985-09-2615:31 UTCm62611 61.82NAVD881OUSGSSA
1985-09-2615:31 UTCm7201939.00  1OUSGSSA
1986-01-0617:35 UTCm62610 62.58NGVD291OUSGSSA
1986-01-0617:35 UTCm62611 61.40NAVD881OUSGSSA
1986-01-0617:35 UTCm7201939.42  1OUSGSSA
1986-05-0813:14 UTCm62610 62.58NGVD291OUSGSSA
1986-05-0813:14 UTCm62611 61.40NAVD881OUSGSSA
1986-05-0813:14 UTCm7201939.42  1OUSGSSA
1987-05-2114:15 UTCm62610 62.17NGVD291OUSGSSA
1987-05-2114:15 UTCm62611 60.99NAVD881OUSGSSA
1987-05-2114:15 UTCm7201939.83  1OUSGSSA
1987-07-2916:36 UTCm62610 61.10NGVD291OUSGSSA
1987-07-2916:36 UTCm62611 59.92NAVD881OUSGSSA
1987-07-2916:36 UTCm7201940.90  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.