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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 394821075501001
Minimum number of levels = 1
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USGS 394821075501001 CH 1854

Chester County, Pennsylvania
Latitude  39°48'21.2", Longitude  75°50'07.2" NAD83
Land-surface elevation 401 feet above NGVD29
The depth of the well is 117 feet below land surface.
This well is completed in the Piedmont and Blue Ridge crystalline-rock aquifers (N400PDMBRX) national aquifer.
This well is completed in the Mafic Gneiss, Hornblende-Bearing (000MFCGH) local aquifer.
Output formats
Table of data
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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
1974-07-31 D62610 374.00NGVD291SUSGSSA
1974-07-31 D62611 373.00NAVD881SUSGSSA
1974-07-31 D7201927.00  1SUSGSSA
2006-06-0715:22 UTCm62610 371.97NGVD291VUSGSSA
2006-06-0715:22 UTCm62611 370.97NAVD881VUSGSSA
2006-06-0715:22 UTCm7201929.03  1VUSGSSA

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