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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
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  • 422946092200602
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USGS 422946092200602 089N13W25BBBD 01347

Black Hawk County, Iowa
Latitude  42°29'46", Longitude  92°20'00" NAD27
Land-surface elevation 848.00 feet above NGVD29
The depth of the well is 175 feet below land surface.
The depth of the hole is 175 feet below land surface.
This well is completed in the Devonian System (340DVNN) 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
1940-03-01 D62610 838.00NGVD291L  A
1940-03-01 D62611 837.94NAVD881L  A
1940-03-01 D7201910.00  1L  A
1941-01-07 D62610 830.00NGVD291OUSGSSP
1941-01-07 D62611 829.94NAVD881OUSGSSP
1941-01-07 D7201918.00  1OUSGSSP

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 measurementLInterpreted from geophysical logs.
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.