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Groundwater levels for the Nation

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Agency code = usgs
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  • 400343075305901
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USGS 400343075305901 CH 1973

Chester County, Pennsylvania
Latitude  40°03'43", Longitude  75°30'59" NAD27
Land-surface elevation 300 feet above NGVD29
The depth of the well is 157 feet below land surface.
This well is completed in the Elbrook Formation (371ELBK) 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
1983-10-19 D62610 234.44NGVD291Z  A
1983-10-19 D62611 233.47NAVD881Z  A
1983-10-19 D7201965.56  1Z  A
1983-12-1614:30 UTCm62610 241.70NGVD291OUSGSSP
1983-12-1614:30 UTCm62611 240.73NAVD881OUSGSSP
1983-12-1614:30 UTCm7201958.30  1OUSGSSP
1984-01-2514:00 UTCm62610 239.00NGVD291OUSGSSP
1984-01-2514:00 UTCm62611 238.03NAVD881OUSGSSP
1984-01-2514:00 UTCm7201961.00  1OUSGSSP
1984-02-2314:30 UTCm62610 243.42NGVD291OUSGSSP
1984-02-2314:30 UTCm62611 242.45NAVD881OUSGSSP
1984-02-2314:30 UTCm7201956.58  1OUSGSSP
1984-03-2014:15 UTCm62610 244.50NGVD291OUSGSSP
1984-03-2014:15 UTCm62611 243.53NAVD881OUSGSSP
1984-03-2014:15 UTCm7201955.50  1OUSGSSP
1984-04-2514:40 UTCm62610 247.30NGVD291OUSGSSP
1984-04-2514:40 UTCm62611 246.33NAVD881OUSGSSP
1984-04-2514:40 UTCm7201952.70  1OUSGSSP
1984-05-2313:40 UTCm62610 245.20NGVD291OUSGSSP
1984-05-2313:40 UTCm62611 244.23NAVD881OUSGSSP
1984-05-2313:40 UTCm7201954.80  1OUSGSSP
1984-06-1414:00 UTCm62610 244.60NGVD291OUSGSSP
1984-06-1414:00 UTCm62611 243.63NAVD881OUSGSSP
1984-06-1414:00 UTCm7201955.40  1OUSGSSP
1984-07-1919:30 UTCm62610 242.80NGVD291OUSGSSP
1984-07-1919:30 UTCm62611 241.83NAVD881OUSGSSP
1984-07-1919:30 UTCm7201957.20  1OUSGSSP
1984-08-2413:20 UTCm62610 240.50NGVD291OUSGSSP
1984-08-2413:20 UTCm62611 239.53NAVD881OUSGSSP
1984-08-2413:20 UTCm7201959.50  1OUSGSSP
1984-09-1913:40 UTCm62610 238.30NGVD291OUSGSSP
1984-09-1913:40 UTCm62611 237.33NAVD881OUSGSSP
1984-09-1913:40 UTCm7201961.70  1OUSGSSP
1984-10-0513:45 UTCm62610 237.20NGVD291OUSGSSP
1984-10-0513:45 UTCm62611 236.23NAVD881OUSGSSP
1984-10-0513:45 UTCm7201962.80  1OUSGSSP
1984-11-2613:30 UTCm62610 234.30NGVD291OUSGSSP
1984-11-2613:30 UTCm62611 233.33NAVD881OUSGSSP
1984-11-2613:30 UTCm7201965.70  1OUSGSSP
1984-12-1220:40 UTCm62610 233.40NGVD291OUSGSSP
1984-12-1220:40 UTCm62611 232.43NAVD881OUSGSSP
1984-12-1220:40 UTCm7201966.60  1OUSGSSP

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 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.