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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 400255075261701
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USGS 400255075261701 CH 2664

Chester County, Pennsylvania
Latitude  40°02'55", Longitude  75°26'17" NAD27
Land-surface elevation 490 feet above NGVD29
The depth of the well is 105 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 Wissahickon Formation, Albite Chlorite Schist (300WSCKA) 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
1984-02-21 D62610 474.48NGVD291Z  A
1984-02-21 D62611 473.50NAVD881Z  A
1984-02-21 D7201915.52  1Z  A
1984-02-29 D62610 474.16NGVD291TUSGSSA
1984-02-29 D62611 473.18NAVD881TUSGSSA
1984-02-29 D7201915.84  1TUSGSSA
1984-03-21 D62610 474.71NGVD291Z  A
1984-03-21 D62611 473.73NAVD881Z  A
1984-03-21 D7201915.29  1Z  A
1984-03-2214:30 UTCm62610 474.70NGVD291OUSGSSP
1984-03-2214:30 UTCm62611 473.72NAVD881OUSGSSP
1984-03-2214:30 UTCm7201915.30  1OUSGSSP
1984-04-20 D62610 475.14NGVD291Z  A
1984-04-20 D62611 474.16NAVD881Z  A
1984-04-20 D7201914.86  1Z  A
1984-04-2519:15 UTCm62610 474.60NGVD291OUSGSSP
1984-04-2519:15 UTCm62611 473.62NAVD881OUSGSSP
1984-04-2519:15 UTCm7201915.40  1OUSGSSP
1984-05-1718:30 UTCm62610 474.30NGVD291OUSGSSP
1984-05-1718:30 UTCm62611 473.32NAVD881OUSGSSP
1984-05-1718:30 UTCm7201915.70  1OUSGSSP
1984-05-21 D62610 474.04NGVD291Z  A
1984-05-21 D62611 473.06NAVD881Z  A
1984-05-21 D7201915.96  1Z  A
1984-06-1319:00 UTCm62610 474.20NGVD291OUSGSSP
1984-06-1319:00 UTCm62611 473.22NAVD881OUSGSSP
1984-06-1319:00 UTCm7201915.80  1OUSGSSP
1984-06-21 D62610 473.99NGVD291Z  A
1984-06-21 D62611 473.01NAVD881Z  A
1984-06-21 D7201916.01  1Z  A
1984-07 M62610 473.50NGVD291OUSGSSP
1984-07 M62611 472.52NAVD881OUSGSSP
1984-07 M7201916.50  1OUSGSSP
1984-07-20 D62610 473.56NGVD291Z  A
1984-07-20 D62611 472.58NAVD881Z  A
1984-07-20 D7201916.44  1Z  A
1984-08-20 D62610 473.09NGVD291Z  A
1984-08-20 D62611 472.11NAVD881Z  A
1984-08-20 D7201916.91  1Z  A
1984-09-20 D62610 472.66NGVD291Z  A
1984-09-20 D62611 471.68NAVD881Z  A
1984-09-20 D7201917.34  1Z  A
1984-09-2719:00 UTCm62610 472.60NGVD291OUSGSSP
1984-09-2719:00 UTCm62611 471.62NAVD881OUSGSSP
1984-09-2719:00 UTCm7201917.40  1OUSGSSP
1984-10-25 D62610 472.58NGVD291Z  A
1984-10-25 D62611 471.60NAVD881Z  A
1984-10-25 D7201917.42  1Z  A
1984-10-3015:00 UTCm62610 472.30NGVD291OUSGSSP
1984-10-3015:00 UTCm62611 471.32NAVD881OUSGSSP
1984-10-3015:00 UTCm7201917.70  1OUSGSSP
1984-11-19 D62610 472.58NGVD291Z  A
1984-11-19 D62611 471.60NAVD881Z  A
1984-11-19 D7201917.42  1Z  A
1984-12-20 D62610 472.61NGVD291Z  A
1984-12-20 D62611 471.63NAVD881Z  A
1984-12-20 D7201917.39  1Z  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracyMDate is accurate to the Month
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
Method of measurementOObserved.
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.
Water-level approval statusPProvisional data subject to revision.