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Groundwater levels for the Nation

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Agency code = usgs
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  • 400327075344201
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USGS 400327075344201 CH 2538

Chester County, Pennsylvania
Latitude  40°03'27", Longitude  75°34'42" NAD27
Land-surface elevation 358 feet above NGVD29
The depth of the well is 100 feet below land surface.
This well is completed in the Piedmont and Blue Ridge carbonate-rock aquifers (N400PDMBRC) national aquifer.
This well is completed in the Ledger Formation (377LDGR) local aquifer.
Output formats
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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
1983-09-23 D62610 312.40NGVD291SUSGSSA
1983-09-23 D62611 311.41NAVD881SUSGSSA
1983-09-23 D7201945.60  1SUSGSSA
1994-11-30 D62610 300.87NGVD291SUSGSSA
1994-11-30 D62611 299.88NAVD881SUSGSSA
1994-11-30 D7201957.13  1SUSGSSA
1994-12-06 D62610 302.83NGVD291TUSGSSA
1994-12-06 D62611 301.84NAVD881TUSGSSA
1994-12-06 D7201955.17  1TUSGSSA

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.
Method of measurementTElectric-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.