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Groundwater levels for the Nation

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Agency code = usgs
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  • 280029099214601
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USGS 280029099214601 YZ-77-62-711

Webb County, Texas
Latitude  28°00'29", Longitude  99°21'46" NAD27
Land-surface elevation 533 feet above NGVD29
The depth of the well is 765 feet below land surface.
This well is completed in the Texas coastal uplands aquifer system (S100TXCLUP) national aquifer.
This well is completed in the Laredo Formation (124LRDO) local aquifer.
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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
1996-08-21 D62610 448.92NGVD29PVUSGSSA
1996-08-21 D62611 449.31NAVD88PVUSGSSA
1996-08-21 D7201984.08  PVUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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
StatusPPumping
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.