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Groundwater levels for Pennsylvania

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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.


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  • 400331075342401
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USGS 400331075342401 CH 2438

Chester County, Pennsylvania
Latitude  40°03'31", Longitude  75°34'24" NAD27
Land-surface elevation 346 feet above NGVD29
The depth of the well is 80 feet below land surface.
The depth of the hole is 80 feet below land surface.
This well is completed in the Piedmont and Blue Ridge carbonate-rock aquifers (N400PDMBRC) national aquifer.
This well is completed in the Ledger Formation (377LDGR) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
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
1983-09-23 D62610 315.10NGVD291SUSGSSA
1983-09-23 D62611 314.11NAVD881SUSGSSA
1983-09-23 D7201930.90  1SUSGSSA
1993-05-27 D62610 317.40NGVD291TUSGSSA
1993-05-27 D62611 316.41NAVD881TUSGSSA
1993-05-27 D7201928.60  1TUSGSSA
1994-12-01 D62610 304.84NGVD291TUSGSSA
1994-12-01 D62611 303.85NAVD881TUSGSSA
1994-12-01 D7201941.16  1TUSGSSA
1994-12-06 D62610 305.08NGVD291TUSGSSA
1994-12-06 D62611 304.09NAVD881TUSGSSA
1994-12-06 D7201940.92  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.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.