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Groundwater levels for the Nation

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Agency code = usgs
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  • 275418082073801
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USGS 275418082073801 ALAFIA SHALLOW WELL NEAR KEYSVILLE FL

Hillsborough County, Florida
Latitude  27°54'18", Longitude  82°07'38" NAD27
Land-surface elevation 12.1 feet above NGVD29
The depth of the well is 13 feet below land surface.
This well is completed in the Nonartesian Sand Aquifer (112NRSD) local aquifer.
Output formats
Table of data
Tab-separated 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
1987-05-1918:30 UTCm62610 98.91NGVD291S  A
1987-05-1918:30 UTCm62611 97.93NAVD881S  A
1987-05-1918:30 UTCm72019-86.81  1S  A
1987-09-1518:05 UTCm62610 98.07NGVD291S  A
1987-09-1518:05 UTCm62611 97.09NAVD881S  A
1987-09-1518:05 UTCm72019-85.97  1S  A
1988-09-1920:10 UTCm62610 99.02NGVD291S  A
1988-09-1920:10 UTCm62611 98.04NAVD881S  A
1988-09-1920:10 UTCm72019-86.92  1S  A
1989-05-1518:20 UTCm62610 95.87NGVD291S  A
1989-05-1518:20 UTCm62611 94.89NAVD881S  A
1989-05-1518:20 UTCm72019-83.77  1S  A
1989-09-1215:14 UTCm62610 95.80NGVD291S  A
1989-09-1215:14 UTCm62611 94.82NAVD881S  A
1989-09-1215:14 UTCm72019-83.70  1S  A
1990-05-1519:23 UTCm62610 93.87NGVD291S  A
1990-05-1519:23 UTCm62611 92.89NAVD881S  A
1990-05-1519:23 UTCm72019-81.77  1S  A
1990-09-1218:19 UTCm62610 96.74NGVD291S  A
1990-09-1218:19 UTCm62611 95.76NAVD881S  A
1990-09-1218:19 UTCm72019-84.64  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.