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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 =
  • 421157091554201
Minimum number of levels = 1
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USGS 421157091554201 085N09W05CBA 21405 1968

Benton County, Iowa
Latitude  42°11'57.3", Longitude  91°55'45.0" NAD83
Land-surface elevation 873 feet above NGVD29
The depth of the well is 312 feet below land surface.
The depth of the hole is 312 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Devonian-Silurian System (340DVSL) local aquifer.
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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
1996-06-18 D62610 795.82NGVD291TUSGSSA
1996-06-18 D62611 795.78NAVD881TUSGSSA
1996-06-18 D7201977.18  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 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.