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Groundwater levels for the Nation

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Agency code = usgs
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  • 394956075443901
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USGS 394956075443901 CH 3488

Chester County, Pennsylvania
Latitude  39°49'56", Longitude  75°44'39" NAD27
Land-surface elevation 310 feet above NGVD29
The depth of the well is 126 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 Wissahickon Formation, Oligoclase Mica Schist (300WSCKO) 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
1989-08-07 D62610 301.67NGVD291SUSGSSA
1989-08-07 D62611 300.64NAVD881SUSGSSA
1989-08-07 D720198.33  1SUSGSSA
1993-09-0221:41 UTCm62610 296.82NGVD291OUSGSSP
1993-09-0221:41 UTCm62611 295.79NAVD881OUSGSSP
1993-09-0221:41 UTCm7201913.18  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 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.
Water-level approval statusPProvisional data subject to revision.