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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 400320075351901
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USGS 400320075351901 CH 2525

Chester County, Pennsylvania
Latitude  40°03'20", Longitude  75°35'19" NAD27
Land-surface elevation 408 feet above NGVD29
The depth of the well is 216 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 Antietam Formation (377ANTM) 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
1983-09-21 D62610 393.40NGVD291SUSGSSA
1983-09-21 D62611 392.41NAVD881SUSGSSA
1983-09-21 D7201914.60  1SUSGSSA
1986-04-25 D62610 358.59NGVD291Z  A
1986-04-25 D62611 357.60NAVD881Z  A
1986-04-25 D7201949.41  1Z  A
1986-05-21 D62610 359.08NGVD291Z  A
1986-05-21 D62611 358.09NAVD881Z  A
1986-05-21 D7201948.92  1Z  A
1986-06-20 D62610 358.76NGVD291Z  A
1986-06-20 D62611 357.77NAVD881Z  A
1986-06-20 D7201949.24  1Z  A
1986-07-22 D62610 357.40NGVD291Z  A
1986-07-22 D62611 356.41NAVD881Z  A
1986-07-22 D7201950.60  1Z  A
1986-08-22 D62610 356.33NGVD291Z  A
1986-08-22 D62611 355.34NAVD881Z  A
1986-08-22 D7201951.67  1Z  A
1986-09-23 D62610 355.06NGVD291Z  A
1986-09-23 D62611 354.07NAVD881Z  A
1986-09-23 D7201952.94  1Z  A
1986-10-20 D62610 353.78NGVD291Z  A
1986-10-20 D62611 352.79NAVD881Z  A
1986-10-20 D7201954.22  1Z  A
1986-11-19 D62610 352.98NGVD291Z  A
1986-11-19 D62611 351.99NAVD881Z  A
1986-11-19 D7201955.02  1Z  A
1986-12-23 D62610 355.13NGVD291Z  A
1986-12-23 D62611 354.14NAVD881Z  A
1986-12-23 D7201952.87  1Z  A
1987-01-20 D62610 357.94NGVD291Z  A
1987-01-20 D62611 356.95NAVD881Z  A
1987-01-20 D7201950.06  1Z  A
1987-02-20 D62610 360.30NGVD291Z  A
1987-02-20 D62611 359.31NAVD881Z  A
1987-02-20 D7201947.70  1Z  A
1987-03-20 D62610 361.76NGVD291Z  A
1987-03-20 D62611 360.77NAVD881Z  A
1987-03-20 D7201946.24  1Z  A
1987-04-20 D62610 362.66NGVD291Z  A
1987-04-20 D62611 361.67NAVD881Z  A
1987-04-20 D7201945.34  1Z  A
1987-05-22 D62610 360.87NGVD291Z  A
1987-05-22 D62611 359.88NAVD881Z  A
1987-05-22 D7201947.13  1Z  A
1987-06-19 D62610 362.36NGVD291Z  A
1987-06-19 D62611 361.37NAVD881Z  A
1987-06-19 D7201945.64  1Z  A
1987-07-20 D62610 362.03NGVD291Z  A
1987-07-20 D62611 361.04NAVD881Z  A
1987-07-20 D7201945.97  1Z  A
1987-08-20 D62610 360.67NGVD291Z  A
1987-08-20 D62611 359.68NAVD881Z  A
1987-08-20 D7201947.33  1Z  A
1987-09-22 D62610 350.60NGVD291Z  A
1987-09-22 D62611 349.61NAVD881Z  A
1987-09-22 D7201957.40  1Z  A
1987-11-20 D62610 354.43NGVD291Z  A
1987-11-20 D62611 353.44NAVD881Z  A
1987-11-20 D7201953.57  1Z  A
1987-12-21 D62610 356.54NGVD291Z  A
1987-12-21 D62611 355.55NAVD881Z  A
1987-12-21 D7201951.46  1Z  A
1988-01-21 D62610 357.11NGVD291Z  A
1988-01-21 D62611 356.12NAVD881Z  A
1988-01-21 D7201950.89  1Z  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 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.