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Groundwater levels for the Nation

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  • 395254075441001
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USGS 395254075441001 CH 21

Chester County, Pennsylvania
Latitude  39°52'54", Longitude  75°44'10" NAD27
Land-surface elevation 400 feet above NGVD29
The depth of the well is 135 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.
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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
1955-11-22 D62610 375.80NGVD291Z  A
1955-11-22 D62611 374.82NAVD881Z  A
1955-11-22 D7201924.20  1Z  A
1958-04-1517:00 UTCm62610 376.00NGVD291OUSGSSP
1958-04-1517:00 UTCm62611 375.02NAVD881OUSGSSP
1958-04-1517:00 UTCm7201924.00  1OUSGSSP
1988-01-05 D62610 372.48NGVD291Z  A
1988-01-05 D62611 371.50NAVD881Z  A
1988-01-05 D7201927.52  1Z  A
1988-02-05 D62610 372.93NGVD291Z  A
1988-02-05 D62611 371.95NAVD881Z  A
1988-02-05 D7201927.07  1Z  A
1988-03-07 D62610 374.82NGVD291Z  A
1988-03-07 D62611 373.84NAVD881Z  A
1988-03-07 D7201925.18  1Z  A
1988-04-05 D62610 374.55NGVD291Z  A
1988-04-05 D62611 373.57NAVD881Z  A
1988-04-05 D7201925.45  1Z  A
1988-05-09 D62610 374.43NGVD291Z  A
1988-05-09 D62611 373.45NAVD881Z  A
1988-05-09 D7201925.57  1Z  A
1988-06-06 D62610 375.40NGVD291Z  A
1988-06-06 D62611 374.42NAVD881Z  A
1988-06-06 D7201924.60  1Z  A
1988-07-06 D62610 373.42NGVD291Z  A
1988-07-06 D62611 372.44NAVD881Z  A
1988-07-06 D7201926.58  1Z  A
1988-08-05 D62610 372.88NGVD291Z  A
1988-08-05 D62611 371.90NAVD881Z  A
1988-08-05 D7201927.12  1Z  A
1988-09-07 D62610 372.60NGVD291Z  A
1988-09-07 D62611 371.62NAVD881Z  A
1988-09-07 D7201927.40  1Z  A
1988-10-04 D62610 372.60NGVD291Z  A
1988-10-04 D62611 371.62NAVD881Z  A
1988-10-04 D7201927.40  1Z  A
1988-11-04 D62610 372.23NGVD291S  A
1988-11-04 D62611 371.25NAVD881S  A
1988-11-04 D7201927.77  1S  A
1988-12-06 D62610 372.85NGVD291S  A
1988-12-06 D62611 371.87NAVD881S  A
1988-12-06 D7201927.15  1S  A
1989-01-06 D62610 372.85NGVD291S  A
1989-01-06 D62611 371.87NAVD881S  A
1989-01-06 D7201927.15  1S  A
1989-02-06 D62610 373.31NGVD291S  A
1989-02-06 D62611 372.33NAVD881S  A
1989-02-06 D7201926.69  1S  A
1989-03-06 D62610 373.84NGVD291S  A
1989-03-06 D62611 372.86NAVD881S  A
1989-03-06 D7201926.16  1S  A
1989-04-11 D62610 376.00NGVD291S  A
1989-04-11 D62611 375.02NAVD881S  A
1989-04-11 D7201924.00  1S  A
1989-05-08 D62610 376.11NGVD291S  A
1989-05-08 D62611 375.13NAVD881S  A
1989-05-08 D7201923.89  1S  A
1989-06-06 D62610 375.97NGVD291S  A
1989-06-06 D62611 374.99NAVD881S  A
1989-06-06 D7201924.03  1S  A
1989-07-06 D62610 375.05NGVD291S  A
1989-07-06 D62611 374.07NAVD881S  A
1989-07-06 D7201924.95  1S  A
1989-08-07 D62610 374.75NGVD291S  A
1989-08-07 D62611 373.77NAVD881S  A
1989-08-07 D7201925.25  1S  A
1989-09-11 D62610 373.62NGVD291S  A
1989-09-11 D62611 372.64NAVD881S  A
1989-09-11 D7201926.38  1S  A
1989-10-10 D62610 373.81NGVD291S  A
1989-10-10 D62611 372.83NAVD881S  A
1989-10-10 D7201926.19  1S  A
1989-11-08 D62610 373.73NGVD291T  A
1989-11-08 D62611 372.75NAVD881T  A
1989-11-08 D7201926.27  1T  A
1989-12-13 D62610 373.83NGVD291T  A
1989-12-13 D62611 372.85NAVD881T  A
1989-12-13 D7201926.17  1T  A
1990-01-08 D62610 374.33NGVD291T  A
1990-01-08 D62611 373.35NAVD881T  A
1990-01-08 D7201925.67  1T  A
1990-02-05 D62610 375.13NGVD291T  A
1990-02-05 D62611 374.15NAVD881T  A
1990-02-05 D7201924.87  1T  A
1990-03-06 D62610 375.35NGVD291T  A
1990-03-06 D62611 374.37NAVD881T  A
1990-03-06 D7201924.65  1T  A
1990-04-09 D62610 374.78NGVD291T  A
1990-04-09 D62611 373.80NAVD881T  A
1990-04-09 D7201925.22  1T  A
1990-05-07 D62610 375.02NGVD291T  A
1990-05-07 D62611 374.04NAVD881T  A
1990-05-07 D7201924.98  1T  A
1990-06-06 D62610 375.55NGVD291T  A
1990-06-06 D62611 374.57NAVD881T  A
1990-06-06 D7201924.45  1T  A
1990-07-09 D62610 374.65NGVD291T  A
1990-07-09 D62611 373.67NAVD881T  A
1990-07-09 D7201925.35  1T  A
1990-08-06 D62610 373.99NGVD291T  A
1990-08-06 D62611 373.01NAVD881T  A
1990-08-06 D7201926.01  1T  A
1990-09-11 D62610 373.94NGVD291T  A
1990-09-11 D62611 372.96NAVD881T  A
1990-09-11 D7201926.06  1T  A
1990-10-08 D62610 372.01NGVD291T  A
1990-10-08 D62611 371.03NAVD881T  A
1990-10-08 D7201927.99  1T  A
1990-11-07 D62610 372.00NGVD291T  A
1990-11-07 D62611 371.02NAVD881T  A
1990-11-07 D7201928.00  1T  A
1990-12-13 D62610 371.68NGVD291T  A
1990-12-13 D62611 370.70NAVD881T  A
1990-12-13 D7201928.32  1T  A
1991-01-15 D62610 372.32NGVD291T  A
1991-01-15 D62611 371.34NAVD881T  A
1991-01-15 D7201927.68  1T  A
1991-02-11 D62610 371.95NGVD291T  A
1991-02-11 D62611 370.97NAVD881T  A
1991-02-11 D7201928.05  1T  A
1991-04-09 D62610 374.30NGVD291T  A
1991-04-09 D62611 373.32NAVD881T  A
1991-04-09 D7201925.70  1T  A
1991-05-07 D62610 377.93NGVD291T  A
1991-05-07 D62611 376.95NAVD881T  A
1991-05-07 D7201922.07  1T  A
1991-06-11 D62610 369.10NGVD291T  A
1991-06-11 D62611 368.12NAVD881T  A
1991-06-11 D7201930.90  1T  A
1991-09-18 D62610 370.32NGVD291T  A
1991-09-18 D62611 369.34NAVD881T  A
1991-09-18 D7201929.68  1T  A
1993-07-2119:01 UTCm62610 372.21NGVD291OUSGSSP
1993-07-2119:01 UTCm62611 371.23NAVD881OUSGSSP
1993-07-2119:01 UTCm7201927.79  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.
Method of measurementTElectric-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
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.