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Groundwater levels for the Nation

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Agency code = usgs
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  • 400311075320801
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USGS 400311075320801 CH 79

Chester County, Pennsylvania
Latitude  40°03'11", Longitude  75°32'08" NAD27
Land-surface elevation 346 feet above NGVD29
The depth of the well is 300 feet below land surface.
The depth of the hole is 300 feet below land surface.
This well is completed in the Elbrook Formation (371ELBK) local aquifer.
Output formats
Table of data
Tab-separated data
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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
1984-10-14 D62610 323.67NGVD291SUSGSSA
1984-10-14 D62611 322.69NAVD881SUSGSSA
1984-10-14 D7201922.33  1SUSGSSA
1986-04-22 D62610 332.62NGVD291Z  A
1986-04-22 D62611 331.64NAVD881Z  A
1986-04-22 D7201913.38  1Z  A
1986-05-21 D62610 330.83NGVD291Z  A
1986-05-21 D62611 329.85NAVD881Z  A
1986-05-21 D7201915.17  1Z  A
1986-06-20 D62610 327.77NGVD291Z  A
1986-06-20 D62611 326.79NAVD881Z  A
1986-06-20 D7201918.23  1Z  A
1986-07-02 D62610 325.37NGVD291Z  A
1986-07-02 D62611 324.39NAVD881Z  A
1986-07-02 D7201920.63  1Z  A
1986-07-22 D62610 324.41NGVD291Z  A
1986-07-22 D62611 323.43NAVD881Z  A
1986-07-22 D7201921.59  1Z  A
1986-08-22 D62610 326.07NGVD291Z  A
1986-08-22 D62611 325.09NAVD881Z  A
1986-08-22 D7201919.93  1Z  A
1986-09-23 D62610 326.53NGVD291Z  A
1986-09-23 D62611 325.55NAVD881Z  A
1986-09-23 D7201919.47  1Z  A
1986-10-20 D62610 326.40NGVD291Z  A
1986-10-20 D62611 325.42NAVD881Z  A
1986-10-20 D7201919.60  1Z  A
1986-11-19 D62610 330.51NGVD291Z  A
1986-11-19 D62611 329.53NAVD881Z  A
1986-11-19 D7201915.49  1Z  A
1986-12-23 D62610 332.92NGVD291Z  A
1986-12-23 D62611 331.94NAVD881Z  A
1986-12-23 D7201913.08  1Z  A
1987-01-20 D62610 332.89NGVD291Z  A
1987-01-20 D62611 331.91NAVD881Z  A
1987-01-20 D7201913.11  1Z  A
1987-02-20 D62610 331.78NGVD291Z  A
1987-02-20 D62611 330.80NAVD881Z  A
1987-02-20 D7201914.22  1Z  A
1987-03-20 D62610 331.66NGVD291Z  A
1987-03-20 D62611 330.68NAVD881Z  A
1987-03-20 D7201914.34  1Z  A
1987-04-20 D62610 332.30NGVD291Z  A
1987-04-20 D62611 331.32NAVD881Z  A
1987-04-20 D7201913.70  1Z  A
1987-05-22 D62610 331.61NGVD291Z  A
1987-05-22 D62611 330.63NAVD881Z  A
1987-05-22 D7201914.39  1Z  A
1987-06-19 D62610 330.49NGVD291Z  A
1987-06-19 D62611 329.51NAVD881Z  A
1987-06-19 D7201915.51  1Z  A
1987-07-20 D62610 330.13NGVD291Z  A
1987-07-20 D62611 329.15NAVD881Z  A
1987-07-20 D7201915.87  1Z  A
1987-08-20 D62610 327.01NGVD291Z  A
1987-08-20 D62611 326.03NAVD881Z  A
1987-08-20 D7201918.99  1Z  A
1987-09-22 D62610 329.16NGVD291Z  A
1987-09-22 D62611 328.18NAVD881Z  A
1987-09-22 D7201916.84  1Z  A
1987-10-19 D62610 327.50NGVD291Z  A
1987-10-19 D62611 326.52NAVD881Z  A
1987-10-19 D7201918.50  1Z  A
1987-11-20 D62610 329.41NGVD291Z  A
1987-11-20 D62611 328.43NAVD881Z  A
1987-11-20 D7201916.59  1Z  A
1987-12-21 D62610 331.49NGVD291Z  A
1987-12-21 D62611 330.51NAVD881Z  A
1987-12-21 D7201914.51  1Z  A
1988-01-21 D62610 331.12NGVD291Z  A
1988-01-21 D62611 330.14NAVD881Z  A
1988-01-21 D7201914.88  1Z  A
1993-06-03 D62610 330.30NGVD291TUSGSSA
1993-06-03 D62611 329.32NAVD881TUSGSSA
1993-06-03 D7201915.70  1TUSGSSA
1994-12-06 D62610 328.86NGVD291TUSGSSA
1994-12-06 D62611 327.88NAVD881TUSGSSA
1994-12-06 D7201917.14  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.
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.