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Groundwater levels for the Nation

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Agency code = usgs
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  • 425123091241701
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USGS 425123091241701 093N05W23BCDB 00037 1927Elkader 3

Clayton County, Iowa
Latitude  42°51'23", Longitude  91°24'17" NAD27
Land-surface elevation 732 feet above NGVD29
The depth of the well is 515 feet below land surface.
The depth of the hole is 1,426 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Jordan Sandstone (371JRDN) 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
1927-01-01 D62610 752.00NGVD293L  A
1927-01-01 D62611 751.84NAVD883L  A
1927-01-01 D72019-20.00  3L  A
1934-08-28 D62610 729.00NGVD291OUSGSSP
1934-08-28 D62611 728.84NAVD881OUSGSSP
1934-08-28 D720193.00  1OUSGSSP
1944-09-13 D62610 724.00NGVD291L  A
1944-09-13 D62611 723.84NAVD881L  A
1944-09-13 D720198.00  1L  A

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
Status3True value is above reported value due to local conditions
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.