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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 414830090141901
Minimum number of levels = 1
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USGS 414830090141901 081N06W22ADD 01210 1940

Clinton County, Iowa
Latitude  41°48'30", Longitude  90°14'19" NAD27
Land-surface elevation 586.00 feet above NGVD29
The depth of the well is 2,150 feet below land surface.
The depth of the hole is 2,150 feet below land surface.
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
1940-07-12 D62610 570.50NGVD291L  A
1940-07-12 D62611 570.46NAVD881L  A
1940-07-12 D7201915.50  1L  A
1941-05-01 D62610 560.00NGVD291Z  A
1941-05-01 D62611 559.96NAVD881Z  A
1941-05-01 D7201926.00  1Z  A
1941-07-01 D62610 551.00NGVD291Z  A
1941-07-01 D62611 550.96NAVD881Z  A
1941-07-01 D7201935.00  1Z  A
1941-10-01 D62610 550.00NGVD291Z  A
1941-10-01 D62611 549.96NAVD881Z  A
1941-10-01 D7201936.00  1Z  A
1943-01-01 D62610 552.00NGVD291Z  A
1943-01-01 D62611 551.96NAVD881Z  A
1943-01-01 D7201934.00  1Z  A
1944-10-01 D62610 526.00NGVD291Z  A
1944-10-01 D62611 525.96NAVD881Z  A
1944-10-01 D7201960.00  1Z  A
1953-05-07 D62610 534.00NGVD291OUSGSSP
1953-05-07 D62611 533.96NAVD881OUSGSSP
1953-05-07 D7201952.00  1OUSGSSP
1955-05-01 D62610 453.00NGVD291Z  A
1955-05-01 D62611 452.96NAVD881Z  A
1955-05-01 D72019133.00  1Z  A
1955-10-01 D62610 443.00NGVD291Z  A
1955-10-01 D62611 442.96NAVD881Z  A
1955-10-01 D72019143.00  1Z  A
1956-03-01 D62610 457.00NGVD291Z  A
1956-03-01 D62611 456.96NAVD881Z  A
1956-03-01 D72019129.00  1Z  A
1956-10-01 D62610 445.00NGVD291Z  A
1956-10-01 D62611 444.96NAVD881Z  A
1956-10-01 D72019141.00  1Z  A
1957-01-01 D62610 458.00NGVD291Z  A
1957-01-01 D62611 457.96NAVD881Z  A
1957-01-01 D72019128.00  1Z  A
1957-10-01 D62610 442.00NGVD291Z  A
1957-10-01 D62611 441.96NAVD881Z  A
1957-10-01 D72019144.00  1Z  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
Method of measurementLInterpreted from geophysical logs.
Method of measurementOObserved.
Method of measurementZOther.
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.