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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 280648082303302
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USGS 280648082303302 SEC 21 WELL 432 SHALLOW FL

Hillsborough County, Florida
Latitude  28°06'48", Longitude  82°30'33" NAD27
Land-surface elevation 58.68 feet above NGVD29
The depth of the well is 14 feet below land surface.
This well is completed in the Nonartesian Sand Aquifer (112NRSD) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
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
1977-05-1116:37 UTCm62610 47.66NGVD291S  A
1977-05-1116:37 UTCm62611 46.84NAVD881S  A
1977-05-1116:37 UTCm7201911.02  1S  A
1977-09-2116:32 UTCm62610 49.68NGVD291S  A
1977-09-2116:32 UTCm62611 48.86NAVD881S  A
1977-09-2116:32 UTCm720199.00  1S  A
1978-05-1615:30 UTCm62610 51.30NGVD291S  A
1978-05-1615:30 UTCm62611 50.48NAVD881S  A
1978-05-1615:30 UTCm720197.38  1S  A

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 measurementSSteel-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.