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Groundwater levels for the Nation

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Agency code = usgs
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  • 423143092275801
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USGS 423143092275801 089N14W11CDDC 19622 1967Cedar Falls 7 (W 12th St)

Black Hawk County, Iowa
Latitude  42°31'41", Longitude  92°27'59" NAD27
Land-surface elevation 941.90 feet above NGVD29
The depth of the well is 170 feet below land surface.
The depth of the hole is 170 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Cedar Valley Limestone (344CDVL) 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
1970-06-08 D62610 846.90NGVD291OUSGSSP
1970-06-08 D62611 846.85NAVD881OUSGSSP
1970-06-08 D7201995.00  1OUSGSSP
1998-04-2715:00 UTCm62610 844.90NGVD291A  A
1998-04-2715:00 UTCm62611 844.85NAVD881A  A
1998-04-2715:00 UTCm7201997.00  1A  A
1998-06-2515:45 UTCm62610 845.90NGVD291A  A
1998-06-2515:45 UTCm62611 845.85NAVD881A  A
1998-06-2515:45 UTCm7201996.00  1A  A
1998-08-2518:35 UTCm62610 841.90NGVD291A  A
1998-08-2518:35 UTCm62611 841.85NAVD881A  A
1998-08-2518:35 UTCm72019100.00  1A  A
1998-10-2816:35 UTCm62610 843.90NGVD291A  A
1998-10-2816:35 UTCm62611 843.85NAVD881A  A
1998-10-2816:35 UTCm7201998.00  1A  A
1998-12-2915:10 UTCm62610 844.90NGVD291A  A
1998-12-2915:10 UTCm62611 844.85NAVD881A  A
1998-12-2915:10 UTCm7201997.00  1A  A
1999-02-2516:40 UTCm62610 844.90NGVD291A  A
1999-02-2516:40 UTCm62611 844.85NAVD881A  A
1999-02-2516:40 UTCm7201997.00  1A  A

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 measurementAAirline measurement.
Method of measurementOObserved.
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.