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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 400151075463101
Minimum number of levels = 1
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USGS 400151075463101 CH 7220

Chester County, Pennsylvania
Latitude  40°01'51.3", Longitude  75°46'30.6" NAD83
Land-surface elevation 526 feet above NGVD29
The depth of the well is 130 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 Felsic and Intermediate Gneiss, Amphibolite Facies (400FCIGA) local aquifer.
Output formats
Table of data
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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
2007-06-06 D62610 494.73NGVD291VUSGSSA
2007-06-06 D62611 493.86NAVD881VUSGSSA
2007-06-06 D7201931.27  1VUSGSSA
2007-09-0617:00 UTCm62610 494.73NGVD291OUSGSSP
2007-09-0617:00 UTCm62611 493.86NAVD881OUSGSSP
2007-09-0617:00 UTCm7201931.27  1OUSGSSP

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 measurementOObserved.
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.
Water-level approval statusPProvisional data subject to revision.