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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 305242090345501
Minimum number of levels = 1
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USGS 305242090345501 SH-25

St. Helena Parish, Louisiana
Latitude  30°52'42", Longitude  90°34'55" NAD27
Land-surface elevation 268.00 feet above NGVD29
The depth of the well is 118 feet below land surface.
The depth of the hole is 118 feet below land surface.
This well is completed in the Other aquifers (N9999OTHER) national aquifer.
This well is completed in the Upland Terrace Aquifer (112UPTC) 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
1969-06-12 D62610 206.77NGVD291Z  A
1969-06-12 D62611 206.55NAVD881Z  A
1969-06-12 D7201961.23  1Z  A
1983-10-11 D62610 204.99NGVD291Z  A
1983-10-11 D62611 204.77NAVD881Z  A
1983-10-11 D7201963.01  1Z  A
1984-05-15 D62610 204.74NGVD291Z  A
1984-05-15 D62611 204.52NAVD881Z  A
1984-05-15 D7201963.26  1Z  A
1991-03-04 D62610 205.63NGVD291Z  A
1991-03-04 D62611 205.41NAVD881Z  A
1991-03-04 D7201962.37  1Z  A

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
Status1Static
Method of measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.