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Groundwater levels for the Nation

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Agency code = usgs
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  • 381616076364704
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USGS 381616076364704 SM Dd 82

St. Mary'S County, Maryland
Latitude  38°16'11", Longitude  76°36'45" NAD83
Land-surface elevation 112 feet above NAVD88
The depth of the well is 908 feet below land surface.
The depth of the hole is 975 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 Upper Patapsco Aquifer In the Patapsco Formation (217PPSCU) 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
2007-11-2115:00 UTCm62610 -58.70NGVD291SMD006AA
2007-11-2115:00 UTCm62611 -59.80NAVD881SMD006AA
2007-11-2115:00 UTCm72019171.80  1SMD006AA

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 agencyMD006Maryland Geological Survey
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Water-level approval statusAApproved for publication -- Processing and review completed.