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Groundwater levels for the Nation

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Agency code = usgs
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  • 391355076473901
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USGS 391355076473901 HO Cf 17

Howard County, Maryland
Latitude  39°13'56", Longitude  76°47'39" NAD27
Land-surface elevation 495 feet above NGVD29
The depth of the well is 85 feet below land surface.
The depth of the hole is 85 feet below land surface.
This well is completed in the Mount Washington Amphibolite (300MWSG) local aquifer.
Output formats
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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
1952-08-07 D62610 463.85NGVD291SUSGSSA
1952-08-07 D62611 463.13NAVD881SUSGSSA
1952-08-07 D7201931.15  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.