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Groundwater levels for the Nation

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Agency code = usgs
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  • 403927073360501
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USGS 403927073360501 N 14420. 1

Nassau County, New York
Latitude  40°39'26.8", Longitude  73°36'05.1" NAD83
Land-surface elevation 15 feet above NAVD88
The depth of the well is 1,341 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.
Output formats
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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
2024-02-2618:48 UTCm62611 10.66NAVD881VUSGSSA
2024-02-2618:48 UTCm720194.49  1VUSGSSA
2024-03-0515:27 UTCm62611 10.79NAVD881VUSGSSA
2024-03-0515:27 UTCm720194.36  1VUSGSSA
2024-04-0815:29 UTCm62611 11.64NAVD881VUSGSSA
2024-04-0815:29 UTCm720193.51  1VUSGSSA
2024-05-2014:18 UTCm62611 11.68NAVD881VUSGSSA
2024-05-2014:18 UTCm720193.47  1VUSGSSA
2024-06-2415:11 UTCm62611 9.20NAVD881VUSGSSA
2024-06-2415:11 UTCm720195.95  1VUSGSSA
2024-07-1115:23 UTCm62611 8.47NAVD881VUSGSSA
2024-07-1115:23 UTCm720196.68  1VUSGSSA
2024-08-0517:40 UTCm62611 7.19NAVD881VUSGSSA
2024-08-0517:40 UTCm720197.96  1VUSGSSA
2024-09-1615:04 UTCm62611 7.53NAVD881VUSGSSA
2024-09-1615:04 UTCm720197.62  1VUSGSSA
2024-10-1016:10 UTCm62611 8.03NAVD881VUSGSSA
2024-10-1016:10 UTCm720197.12  1VUSGSSA
2024-11-2118:20 UTCm62611 9.15NAVD881VUSGSSP
2024-11-2118:20 UTCm720196.00  1VUSGSSP
2025-01-0819:04 UTCm62611 10.97NAVD881VUSGSSP
2025-01-0819:04 UTCm720194.18  1VUSGSSP
2025-02-2118:03 UTCm62611 10.81NAVD881VUSGSSP
2025-02-2118:03 UTCm720194.34  1VUSGSSP
2025-03-1312:58 UTCm62611 11.15NAVD881VUSGSSA
2025-03-1312:58 UTCm720194.00  1VUSGSSA
2025-04-2416:31 UTCm62611 11.25NAVD881VUSGSSA
2025-04-2416:31 UTCm720193.90  1VUSGSSA
2025-06-1813:07 UTCm62611 9.93NAVD881VUSGSSP
2025-06-1813:07 UTCm720195.22  1VUSGSSP

Explanation
SectionCodeDescription
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Status1Static
Method of measurementVCalibrated electric-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.
Water-level approval statusPProvisional data subject to revision.