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Groundwater levels for New York

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Agency code = usgs
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  • 403521073365902
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USGS 403521073365902 N 8354. 2

Nassau County, New York
Latitude  40°35'21.8", Longitude  73°36'56.8" NAD83
Land-surface elevation 10.5 feet above NGVD29
The depth of the well is 1,275 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 Lloyd Aquifer (211LLYD) 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
1968-07-13 D62610 1.75NGVD29 OUSGSSA
1968-07-13 D62611 0.61NAVD88 OUSGSSA
1968-07-13 D720198.75   OUSGSSA
1968-08-06 D62610 2.65NGVD29 OUSGSSA
1968-08-06 D62611 1.51NAVD88 OUSGSSA
1968-08-06 D720197.85   OUSGSSA
1968-09-23 D62610 1.50NGVD29 OUSGSSA
1968-09-23 D62611 0.36NAVD88 OUSGSSA
1968-09-23 D720199.00   OUSGSSA
1968-10-20 D62610 1.30NGVD29 OUSGSSA
1968-10-20 D62611 0.16NAVD88 OUSGSSA
1968-10-20 D720199.20   OUSGSSA
1968-11-12 D62610 4.00NGVD29 OUSGSSA
1968-11-12 D62611 2.86NAVD88 OUSGSSA
1968-11-12 D720196.50   OUSGSSA
1968-11-24 D62610 4.30NGVD29 OUSGSSA
1968-11-24 D62611 3.16NAVD88 OUSGSSA
1968-11-24 D720196.20   OUSGSSA
1968-12-23 D62610 5.15NGVD29 OUSGSSA
1968-12-23 D62611 4.01NAVD88 OUSGSSA
1968-12-23 D720195.35   OUSGSSA
1969-01-19 D62610 5.40NGVD29 OUSGSSA
1969-01-19 D62611 4.26NAVD88 OUSGSSA
1969-01-19 D720195.10   OUSGSSA
1969-02-23 D62610 6.05NGVD29 OUSGSSA
1969-02-23 D62611 4.91NAVD88 OUSGSSA
1969-02-23 D720194.45   OUSGSSA
1971-01-07 D62610 3.06NGVD29 OUSGSSA
1971-01-07 D62611 1.92NAVD88 OUSGSSA
1971-01-07 D720197.44   OUSGSSA
1972-01-06 D62610 2.45NGVD29 OUSGSSA
1972-01-06 D62611 1.31NAVD88 OUSGSSA
1972-01-06 D720198.05   OUSGSSA
1976-01-21 D62610 6.57NGVD291OUSGSSA
1976-01-21 D62611 5.43NAVD881OUSGSSA
1976-01-21 D720193.93  1OUSGSSA
1977-01-27 D62610 5.97NGVD291OUSGSSA
1977-01-27 D62611 4.83NAVD881OUSGSSA
1977-01-27 D720194.53  1OUSGSSA
1978-01-27 D62610 7.14NGVD291OUSGSSA
1978-01-27 D62611 6.00NAVD881OUSGSSA
1978-01-27 D720193.36  1OUSGSSA
1979-01-16 D62610 7.02NGVD291OUSGSSA
1979-01-16 D62611 5.88NAVD881OUSGSSA
1979-01-16 D720193.48  1OUSGSSA
1980-01-23 D62610 7.91NGVD291OUSGSSA
1980-01-23 D62611 6.77NAVD881OUSGSSA
1980-01-23 D720192.59  1OUSGSSA
1981-01-14 D62610 5.90NGVD291OUSGSSA
1981-01-14 D62611 4.76NAVD881OUSGSSA
1981-01-14 D720194.60  1OUSGSSA
1982-01-0418:00 UTCm62610 6.22NGVD291OUSGSSA
1982-01-0418:00 UTCm62611 5.08NAVD881OUSGSSA
1982-01-0418:00 UTCm720194.28  1OUSGSSA
1985-01-0813:01 UTCm62610 7.31NGVD294OUSGSSA
1985-01-0813:01 UTCm62611 6.17NAVD884OUSGSSA
1985-01-0813:01 UTCm720193.19  4OUSGSSA
1986-02-0319:30 UTCm62610 8.08NGVD294OUSGSSA
1986-02-0319:30 UTCm62611 6.94NAVD884OUSGSSA
1986-02-0319:30 UTCm720192.42  4OUSGSSA
1987-01-0618:40 UTCm62610 5.43NGVD291OUSGSSA
1987-01-0618:40 UTCm62611 4.29NAVD881OUSGSSA
1987-01-0618:40 UTCm720195.07  1OUSGSSA
1987-11-2313:23 UTCm62610 5.71NGVD294OUSGSSA
1987-11-2313:23 UTCm62611 4.57NAVD884OUSGSSA
1987-11-2313:23 UTCm720194.79  4OUSGSSA
1987-11-2414:15 UTCm62610 5.33NGVD294OUSGSSA
1987-11-2414:15 UTCm62611 4.19NAVD884OUSGSSA
1987-11-2414:15 UTCm720195.17  4OUSGSSA
1988-04-0615:30 UTCm62610 6.39NGVD294OUSGSSA
1988-04-0615:30 UTCm62611 5.25NAVD884OUSGSSA
1988-04-0615:30 UTCm720194.11  4OUSGSSA
1988-12-0912:18 UTCm62610 4.63NGVD294OUSGSSA
1988-12-0912:18 UTCm62611 3.49NAVD884OUSGSSA
1988-12-0912:18 UTCm720195.87  4OUSGSSA
1990-03-2019:00 UTCm62610 6.54NGVD294OUSGSSA
1990-03-2019:00 UTCm62611 5.40NAVD884OUSGSSA
1990-03-2019:00 UTCm720193.96  4OUSGSSA
1992-04-0918:00 UTCm62610 8.95NGVD294OUSGSSA
1992-04-0918:00 UTCm62611 7.81NAVD884OUSGSSA
1992-04-0918:00 UTCm720191.55  4OUSGSSA
1994-05-3118:00 UTCm62610 6.75NGVD294OUSGSSA
1994-05-3118:00 UTCm62611 5.61NAVD884OUSGSSA
1994-05-3118:00 UTCm720193.75  4OUSGSSA
1997-04-2515:10 UTCm62610 8.96NGVD294OUSGSSA
1997-04-2515:10 UTCm62611 7.82NAVD884OUSGSSA
1997-04-2515:10 UTCm720191.54  4OUSGSSA
2005-03-3015:11 UTCm62610 9.78NGVD291SUSGSSA
2005-03-3015:11 UTCm62611 8.64NAVD881SUSGSSA
2005-03-3015:11 UTCm720190.72  1SUSGSSA
2006-03-2914:55 UTCm62610 10.33NGVD291SUSGSSA
2006-03-2914:55 UTCm62611 9.19NAVD881SUSGSSA
2006-03-2914:55 UTCm720190.17  1SUSGSSA
2007-03-2217:50 UTCm62610 10.50NGVD291SUSGSSA
2007-03-2217:50 UTCm62611 9.36NAVD881SUSGSSA
2007-03-2217:50 UTCm720190.00  1SUSGSSA
2008-04-1116:24 UTCm62610 11.23NGVD294SUSGSSA
2008-04-1116:24 UTCm62611 10.09NAVD884SUSGSSA
2008-04-1116:24 UTCm72019-0.73  4SUSGSSA
2009-04-0912:24 UTCm62610 11.27NGVD294SUSGSSA
2009-04-0912:24 UTCm62611 10.13NAVD884SUSGSSA
2009-04-0912:24 UTCm72019-0.77  4SUSGSSA
2010-04-1614:13 UTCm62610 11.85NGVD294SUSGSSA
2010-04-1614:13 UTCm62611 10.71NAVD884SUSGSSA
2010-04-1614:13 UTCm72019-1.35  4SUSGSSA
2013-04-2514:15 UTCm62610 11.61NGVD294S  A
2013-04-2514:15 UTCm62611 10.47NAVD884S  A
2013-04-2514:15 UTCm72019-1.11  4S  A
2014-04-0718:00 UTCm62610 10.77NGVD294S  A
2014-04-0718:00 UTCm62611 9.63NAVD884S  A
2014-04-0718:00 UTCm72019-0.27  4S  A
2015-04-0715:00 UTCm62610 10.85NGVD294S  A
2015-04-0715:00 UTCm62611 9.71NAVD884S  A
2015-04-0715:00 UTCm72019-0.35  4S  A
2016-04-1216:30 UTCm62610 11.48NGVD294SUSGSSA
2016-04-1216:30 UTCm62611 10.34NAVD884SUSGSSA
2016-04-1216:30 UTCm72019-0.98  4SUSGSSA
2017-04-1413:30 UTCm62610 10.96NGVD291SUSGSSA
2017-04-1413:30 UTCm62611 9.82NAVD881SUSGSSA
2017-04-1413:30 UTCm72019-0.46  1SUSGSSA
2018-04-1714:04 UTCm62610 12.03NGVD291SUSGSSA
2018-04-1714:04 UTCm62611 10.89NAVD881SUSGSSA
2018-04-1714:04 UTCm72019-1.53  1SUSGSSA
2019-04-1015:48 UTCm62610 7.54NGVD291SUSGSSA
2019-04-1015:48 UTCm62611 6.40NAVD881SUSGSSA
2019-04-1015:48 UTCm720192.96  1SUSGSSA
2020-10-0114:24 UTCm62610 4.52NGVD291VUSGSSA
2020-10-0114:24 UTCm62611 3.38NAVD881VUSGSSA
2020-10-0114:24 UTCm720195.98  1VUSGSSA
2021-04-1515:09 UTCm62610 5.17NGVD291VUSGSSA
2021-04-1515:09 UTCm62611 4.03NAVD881VUSGSSA
2021-04-1515:09 UTCm720195.33  1VUSGSSA
2023-04-1114:30 UTCm62610 7.17NGVD291VUSGSSA
2023-04-1114:30 UTCm62611 6.03NAVD881VUSGSSA
2023-04-1114:30 UTCm720193.33  1VUSGSSA

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
StatusThe reported water-level measurement represents a static level
Status1Static
Status4Groundwater level affected by tide
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.