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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
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  • 404846073441002
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USGS 404846073441002 N 12465. 1

Nassau County, New York
Latitude  40°48'46", Longitude  73°44'10" NAD27
Land-surface elevation 30 feet above NAVD88
The depth of the well is 145 feet below land surface.
The depth of the hole is 152 feet below land surface.
Output formats
Table of data
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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
1994-06-0117:29 UTCm62610 24.33NGVD291OUSGSSA
1994-06-0117:29 UTCm62611 23.25NAVD881OUSGSSA
1994-06-0117:29 UTCm720196.75  1OUSGSSA
1994-06-0818:54 UTCm62610 24.13NGVD291OUSGSSA
1994-06-0818:54 UTCm62611 23.05NAVD881OUSGSSA
1994-06-0818:54 UTCm720196.95  1OUSGSSA
1994-09-2015:26 UTCm62610 23.13NGVD291OUSGSSA
1994-09-2015:26 UTCm62611 22.05NAVD881OUSGSSA
1994-09-2015:26 UTCm720197.95  1OUSGSSA
1994-12-1614:33 UTCm62610 23.22NGVD291OUSGSSA
1994-12-1614:33 UTCm62611 22.14NAVD881OUSGSSA
1994-12-1614:33 UTCm720197.86  1OUSGSSA
1995-03-1519:51 UTCm62610 23.99NGVD291OUSGSSA
1995-03-1519:51 UTCm62611 22.91NAVD881OUSGSSA
1995-03-1519:51 UTCm720197.09  1OUSGSSA
1995-06-1416:05 UTCm62610 23.33NGVD291OUSGSSA
1995-06-1416:05 UTCm62611 22.25NAVD881OUSGSSA
1995-06-1416:05 UTCm720197.75  1OUSGSSA
1995-08-2414:21 UTCm62610 22.61NGVD291OUSGSSA
1995-08-2414:21 UTCm62611 21.53NAVD881OUSGSSA
1995-08-2414:21 UTCm720198.47  1OUSGSSA
1995-12-0419:19 UTCm62610 22.88NGVD291OUSGSSA
1995-12-0419:19 UTCm62611 21.80NAVD881OUSGSSA
1995-12-0419:19 UTCm720198.20  1OUSGSSA
1996-03-2215:58 UTCm62610 24.15NGVD291OUSGSSA
1996-03-2215:58 UTCm62611 23.07NAVD881OUSGSSA
1996-03-2215:58 UTCm720196.93  1OUSGSSA
1996-05-1614:59 UTCm62610 24.46NGVD291OUSGSSA
1996-05-1614:59 UTCm62611 23.38NAVD881OUSGSSA
1996-05-1614:59 UTCm720196.62  1OUSGSSA
1996-07-1916:12 UTCm62610 23.93NGVD291OUSGSSA
1996-07-1916:12 UTCm62611 22.85NAVD881OUSGSSA
1996-07-1916:12 UTCm720197.15  1OUSGSSA
1996-09-1018:29 UTCm62610 23.12NGVD291OUSGSSA
1996-09-1018:29 UTCm62611 22.04NAVD881OUSGSSA
1996-09-1018:29 UTCm720197.96  1OUSGSSA

Explanation
SectionCodeDescription
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.