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Groundwater levels for the Nation

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  • 400412075404302
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USGS 400412075404302 CH 7271

Chester County, Pennsylvania
Latitude  40°04'11.2", Longitude  75°40'36.8" NAD83
Land-surface elevation 540 feet above NGVD29
The depth of the well is 165 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 Graphitic Gneiss, Amphibolite Facies (400GPCGA) local aquifer.
Output formats
Table of 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
2014-05-2019:10 UTCm62610 508.13NGVD291VUSGSSP
2014-05-2019:10 UTCm62611 507.21NAVD881VUSGSSP
2014-05-2019:10 UTCm7201931.87  1VUSGSSP
2014-06-1920:35 UTCm62610 508.13NGVD291VUSGSSP
2014-06-1920:35 UTCm62611 507.21NAVD881VUSGSSP
2014-06-1920:35 UTCm7201931.87  1VUSGSSP
2014-07-1813:40 UTCm62610 506.42NGVD291VUSGSSP
2014-07-1813:40 UTCm62611 505.50NAVD881VUSGSSP
2014-07-1813:40 UTCm7201933.58  1VUSGSSP
2014-08-2119:48 UTCm62610 504.69NGVD291VUSGSSP
2014-08-2119:48 UTCm62611 503.77NAVD881VUSGSSP
2014-08-2119:48 UTCm7201935.31  1VUSGSSP
2014-09-1821:00 UTCm62610 503.18NGVD291VUSGSSP
2014-09-1821:00 UTCm62611 502.26NAVD881VUSGSSP
2014-09-1821:00 UTCm7201936.82  1VUSGSSP
2014-10-2020:45 UTCm62610 502.30NGVD291VUSGSSP
2014-10-2020:45 UTCm62611 501.38NAVD881VUSGSSP
2014-10-2020:45 UTCm7201937.70  1VUSGSSP
2014-11-2118:11 UTCm62610 501.43NGVD291VUSGSSP
2014-11-2118:11 UTCm62611 500.51NAVD881VUSGSSP
2014-11-2118:11 UTCm7201938.57  1VUSGSSP
2014-12-1821:05 UTCm62610 502.55NGVD291VUSGSSP
2014-12-1821:05 UTCm62611 501.63NAVD881VUSGSSP
2014-12-1821:05 UTCm7201937.45  1VUSGSSP
2015-01-2119:40 UTCm62610 502.95NGVD291VUSGSSP
2015-01-2119:40 UTCm62611 502.03NAVD881VUSGSSP
2015-01-2119:40 UTCm7201937.05  1VUSGSSP
2015-02-1921:41 UTCm62610 502.50NGVD291VUSGSSP
2015-02-1921:41 UTCm62611 501.58NAVD881VUSGSSP
2015-02-1921:41 UTCm7201937.50  1VUSGSSP
2015-03-1918:03 UTCm62610 504.57NGVD291VUSGSSP
2015-03-1918:03 UTCm62611 503.65NAVD881VUSGSSP
2015-03-1918:03 UTCm7201935.43  1VUSGSSP
2015-04-2118:30 UTCm62610 504.65NGVD291VUSGSSP
2015-04-2118:30 UTCm62611 503.73NAVD881VUSGSSP
2015-04-2118:30 UTCm7201935.35  1VUSGSSP
2015-05-2019:45 UTCm62610 503.00NGVD291VUSGSSP
2015-05-2019:45 UTCm62611 502.08NAVD881VUSGSSP
2015-05-2019:45 UTCm7201937.00  1VUSGSSP
2015-06-1820:42 UTCm62610 502.47NGVD291VUSGSSP
2015-06-1820:42 UTCm62611 501.55NAVD881VUSGSSP
2015-06-1820:42 UTCm7201937.53  1VUSGSSP
2015-07-2020:20 UTCm62610 502.81NGVD291VUSGSSP
2015-07-2020:20 UTCm62611 501.89NAVD881VUSGSSP
2015-07-2020:20 UTCm7201937.19  1VUSGSSP
2015-08-2020:10 UTCm62610 501.28NGVD291VUSGSSP
2015-08-2020:10 UTCm62611 500.36NAVD881VUSGSSP
2015-08-2020:10 UTCm7201938.72  1VUSGSSP
2015-09-2120:20 UTCm62610 500.50NGVD291VUSGSSP
2015-09-2120:20 UTCm62611 499.58NAVD881VUSGSSP
2015-09-2120:20 UTCm7201939.50  1VUSGSSP
2015-10-2118:04 UTCm62610 500.03NGVD291VUSGSSP
2015-10-2118:04 UTCm62611 499.11NAVD881VUSGSSP
2015-10-2118:04 UTCm7201939.97  1VUSGSSP
2015-11-1919:12 UTCm62610 499.75NGVD291TUSGSSP
2015-11-1919:12 UTCm62611 498.83NAVD881TUSGSSP
2015-11-1919:12 UTCm7201940.25  1TUSGSSP
2015-12-2119:33 UTCm62610 499.90NGVD291VUSGSSP
2015-12-2119:33 UTCm62611 498.98NAVD881VUSGSSP
2015-12-2119:33 UTCm7201940.10  1VUSGSSP
2016-01-2020:07 UTCm62610 501.47NGVD291VUSGSSP
2016-01-2020:07 UTCm62611 500.55NAVD881VUSGSSP
2016-01-2020:07 UTCm7201938.53  1VUSGSSP
2016-02-2220:26 UTCm62610 504.16NGVD291VUSGSSP
2016-02-2220:26 UTCm62611 503.24NAVD881VUSGSSP
2016-02-2220:26 UTCm7201935.84  1VUSGSSP

Explanation
SectionCodeDescription
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 measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusPProvisional data subject to revision.