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Groundwater levels for the Nation

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  • 400032075364201
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USGS 400032075364201 CH 3920

Chester County, Pennsylvania
Latitude  40°00'32", Longitude  75°36'42" NAD27
Land-surface elevation 542 feet above NGVD29
This well is completed in the Piedmont and Blue Ridge crystalline-rock aquifers (N400PDMBRX) national aquifer.
This well is completed in the Wissahickon Formation, Albite Chlorite Schist (300WSCKA) 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
1990-01-05 D62610 506.33NGVD291T  A
1990-01-05 D62611 505.31NAVD881T  A
1990-01-05 D7201935.67  1T  A
1990-02-01 D62610 511.62NGVD291T  A
1990-02-01 D62611 510.60NAVD881T  A
1990-02-01 D7201930.38  1T  A
1990-03-01 D62610 508.79NGVD291T  A
1990-03-01 D62611 507.77NAVD881T  A
1990-03-01 D7201933.21  1T  A
1990-08-01 D62610 507.42NGVD291S  A
1990-08-01 D62611 506.40NAVD881S  A
1990-08-01 D7201934.58  1S  A
1990-09-11 D62610 507.58NGVD291T  A
1990-09-11 D62611 506.56NAVD881T  A
1990-09-11 D7201934.42  1T  A
1990-10-24 D62610 505.62NGVD291T  A
1990-10-24 D62611 504.60NAVD881T  A
1990-10-24 D7201936.38  1T  A
1990-11-08 D62610 505.31NGVD291S  A
1990-11-08 D62611 504.29NAVD881S  A
1990-11-08 D7201936.69  1S  A
1991-04-16 D62610 509.45NGVD291T  A
1991-04-16 D62611 508.43NAVD881T  A
1991-04-16 D7201932.55  1T  A
1991-07-12 D62610 507.40NGVD291S  A
1991-07-12 D62611 506.38NAVD881S  A
1991-07-12 D7201934.60  1S  A
1991-08-13 D62610 506.95NGVD291T  A
1991-08-13 D62611 505.93NAVD881T  A
1991-08-13 D7201935.05  1T  A
1991-09-13 D62610 506.10NGVD291T  A
1991-09-13 D62611 505.08NAVD881T  A
1991-09-13 D7201935.90  1T  A
1991-11-05 D62610 505.03NGVD291T  A
1991-11-05 D62611 504.01NAVD881T  A
1991-11-05 D7201936.97  1T  A
1992-01-03 D62610 507.30NGVD291T  A
1992-01-03 D62611 506.28NAVD881T  A
1992-01-03 D7201934.70  1T  A
1992-02-04 D62610 507.05NGVD291T  A
1992-02-04 D62611 506.03NAVD881T  A
1992-02-04 D7201934.95  1T  A
1992-03-10 D62610 507.17NGVD291T  A
1992-03-10 D62611 506.15NAVD881T  A
1992-03-10 D7201934.83  1T  A
1992-04-06 D62610 509.40NGVD291T  A
1992-04-06 D62611 508.38NAVD881T  A
1992-04-06 D7201932.60  1T  A
1992-05-07 D62610 508.76NGVD291T  A
1992-05-07 D62611 507.74NAVD881T  A
1992-05-07 D7201933.24  1T  A

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 agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.