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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 431438092262201
Minimum number of levels = 1
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USGS 431438092262201 097N14W01DDC 1997NAWQA

Howard County, Iowa
Latitude  43°14'37.8", Longitude  92°26'21.6" NAD83
Land-surface elevation 1,174.44 feet above NAVD88
The depth of the well is 18.0 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Holocene Alluvium (111ALVM) 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
1997-08-20 D62610 1164.40NGVD291OUSGSSP
1997-08-20 D62611 1164.44NAVD881OUSGSSP
1997-08-20 D7201910.00  1OUSGSSP
2005-09-22 D62610 1165.22NGVD291TUSGSSA
2005-09-22 D62611 1165.26NAVD881TUSGSSA
2005-09-22 D720199.18  1TUSGSSA

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 measurementOObserved.
Method of measurementTElectric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
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.