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Groundwater levels for the Nation

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Agency code = usgs
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  • 400238075465901
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USGS 400238075465901 CH 4339

Chester County, Pennsylvania
Latitude  40°02'38", Longitude  75°46'59" NAD27
Land-surface elevation 545 feet above NGVD29
The depth of the well is 120 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.
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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
1993-07-23 D62610 516.54NGVD291SUSGSSA
1993-07-23 D62611 515.69NAVD881SUSGSSA
1993-07-23 D7201928.46  1SUSGSSA
1995-09-21 D62610 500.90NGVD29PV  A
1995-09-21 D62611 500.05NAVD88PV  A
1995-09-21 D7201944.10  PV  A
1996-04-22 D62610 505.40NGVD29PV  A
1996-04-22 D62611 504.55NAVD88PV  A
1996-04-22 D7201939.60  PV  A
1996-06-27 D62610 519.00NGVD29PV  A
1996-06-27 D62611 518.15NAVD88PV  A
1996-06-27 D7201926.00  PV  A
1996-08-2715:25 UTCm62610 519.48NGVD291OUSGSSP
1996-08-2715:25 UTCm62611 518.63NAVD881OUSGSSP
1996-08-2715:25 UTCm7201925.52  1OUSGSSP
1996-10-2214:22 UTCm62610 520.84NGVD291OUSGSSP
1996-10-2214:22 UTCm62611 519.99NAVD881OUSGSSP
1996-10-2214:22 UTCm7201924.16  1OUSGSSP
1996-12-2315:37 UTCm62610 525.17NGVD291BUSGSSP
1996-12-2315:37 UTCm62611 524.32NAVD881BUSGSSP
1996-12-2315:37 UTCm7201919.83  1BUSGSSP
1997-02-2814:50 UTCm62610 519.40NGVD291OUSGSSP
1997-02-2814:50 UTCm62611 518.55NAVD881OUSGSSP
1997-02-2814:50 UTCm7201925.60  1OUSGSSP
1997-04-2315:33 UTCm62610 521.37NGVD291OUSGSSP
1997-04-2315:33 UTCm62611 520.52NAVD881OUSGSSP
1997-04-2315:33 UTCm7201923.63  1OUSGSSP
1997-06-2620:40 UTCm62610 517.80NGVD291OUSGSSP
1997-06-2620:40 UTCm62611 516.95NAVD881OUSGSSP
1997-06-2620:40 UTCm7201927.20  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
StatusPPumping
Method of measurementBAnalog or graphic recorder.
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
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.