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Groundwater levels for the Nation

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Agency code = usgs
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  • 383742077011101
Minimum number of levels = 1
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USGS 383742077011101 CH Bd 46

Charles County, Maryland
Latitude  38°37'41", Longitude  77°01'14" NAD83
Land-surface elevation 192 feet above NAVD88
The depth of the well is 830 feet below land surface.
The depth of the hole is 859 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 La Plata Aquifer (217LPLT) 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
1986-06-26 D62610 -40.72NGVD291SUSGSSA
1986-06-26 D62611 -41.50NAVD881SUSGSSA
1986-06-26 D72019233.50  1SUSGSSA

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 measurementSSteel-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.