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Groundwater levels for the Nation

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  • 400715075301501
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USGS 400715075301501 CH 2491

Chester County, Pennsylvania
Latitude  40°07'15", Longitude  75°30'15" NAD27
Land-surface elevation 170 feet above NGVD29
The depth of the well is 94 feet below land surface.
The depth of the hole is 94 feet below land surface.
This well is completed in the Early Mesozoic basin aquifers (N300ERLMZC) national aquifer.
This well is completed in the Stockton Formation (231SCKN) 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
1984-02-2319:20 UTCm62610 147.93NGVD291OUSGSSP
1984-02-2319:20 UTCm62611 146.97NAVD881OUSGSSP
1984-02-2319:20 UTCm7201922.07  1OUSGSSP
1984-03-2216:30 UTCm62610 155.30NGVD291OUSGSSP
1984-03-2216:30 UTCm62611 154.34NAVD881OUSGSSP
1984-03-2216:30 UTCm7201914.70  1OUSGSSP
1984-04-2518:40 UTCm62610 156.70NGVD291OUSGSSP
1984-04-2518:40 UTCm62611 155.74NAVD881OUSGSSP
1984-04-2518:40 UTCm7201913.30  1OUSGSSP
1984-05-2319:20 UTCm62610 157.10NGVD291OUSGSSP
1984-05-2319:20 UTCm62611 156.14NAVD881OUSGSSP
1984-05-2319:20 UTCm7201912.90  1OUSGSSP
1984-06-1416:20 UTCm62610 157.40NGVD291OUSGSSP
1984-06-1416:20 UTCm62611 156.44NAVD881OUSGSSP
1984-06-1416:20 UTCm7201912.60  1OUSGSSP
1984-07-1918:30 UTCm62610 157.00NGVD291OUSGSSP
1984-07-1918:30 UTCm62611 156.04NAVD881OUSGSSP
1984-07-1918:30 UTCm7201913.00  1OUSGSSP
1984-08-2415:45 UTCm62610 150.90NGVD291OUSGSSP
1984-08-2415:45 UTCm62611 149.94NAVD881OUSGSSP
1984-08-2415:45 UTCm7201919.10  1OUSGSSP
1984-09-1918:55 UTCm62610 152.40NGVD291OUSGSSP
1984-09-1918:55 UTCm62611 151.44NAVD881OUSGSSP
1984-09-1918:55 UTCm7201917.60  1OUSGSSP
1984-10-0518:30 UTCm62610 148.70NGVD291OUSGSSP
1984-10-0518:30 UTCm62611 147.74NAVD881OUSGSSP
1984-10-0518:30 UTCm7201921.30  1OUSGSSP
1984-11-2616:45 UTCm62610 150.90NGVD291OUSGSSP
1984-11-2616:45 UTCm62611 149.94NAVD881OUSGSSP
1984-11-2616:45 UTCm7201919.10  1OUSGSSP
1984-12-1219:30 UTCm62610 152.70NGVD291OUSGSSP
1984-12-1219:30 UTCm62611 151.74NAVD881OUSGSSP
1984-12-1219:30 UTCm7201917.30  1OUSGSSP

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 measurementOObserved.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusPProvisional data subject to revision.