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Groundwater levels for the Nation

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Agency code = usgs
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  • 414736091545201
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USGS 414736091545201 081N09W29DBDD 27406 1984IGS & USGS IR-23

Iowa County, Iowa
Latitude  41°47'36", Longitude  91°54'52" NAD27
Land-surface elevation 717 feet above NGVD29
The depth of the well is 20.0 feet below land surface.
The depth of the hole is 29 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.
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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
1984-10-31 D62610 709.73NGVD295S  A
1984-10-31 D62611 709.67NAVD885S  A
1984-10-31 D720197.27  5S  A
1984-12-10 D62610 708.76NGVD295S  A
1984-12-10 D62611 708.70NAVD885S  A
1984-12-10 D720198.24  5S  A
1985-01-10 D62610 710.85NGVD295S  A
1985-01-10 D62611 710.79NAVD885S  A
1985-01-10 D720196.15  5S  A
1985-02-12 D62610 707.18NGVD295S  A
1985-02-12 D62611 707.12NAVD885S  A
1985-02-12 D720199.82  5S  A
1985-03-12 D62610 711.16NGVD295S  A
1985-03-12 D62611 711.10NAVD885S  A
1985-03-12 D720195.84  5S  A
1985-04-09 D62610 710.26NGVD295S  A
1985-04-09 D62611 710.20NAVD885S  A
1985-04-09 D720196.74  5S  A
1985-05-06 D62610 708.87NGVD295S  A
1985-05-06 D62611 708.81NAVD885S  A
1985-05-06 D720198.13  5S  A
1985-06-06 D62610 707.75NGVD295S  A
1985-06-06 D62611 707.69NAVD885S  A
1985-06-06 D720199.25  5S  A
1985-07-09 D62610 707.65NGVD295S  A
1985-07-09 D62611 707.59NAVD885S  A
1985-07-09 D720199.35  5S  A
1985-08-01 D62610 707.60NGVD295S  A
1985-08-01 D62611 707.54NAVD885S  A
1985-08-01 D720199.40  5S  A
1985-09-02 D62610 707.56NGVD295S  A
1985-09-02 D62611 707.50NAVD885S  A
1985-09-02 D720199.44  5S  A
1985-10-04 D62610 708.60NGVD291S  A
1985-10-04 D62611 708.54NAVD881S  A
1985-10-04 D720198.40  1S  A
1985-11-06 D62610 708.55NGVD291S  A
1985-11-06 D62611 708.49NAVD881S  A
1985-11-06 D720198.45  1S  A
1985-12-26 D62610 708.69NGVD291S  A
1985-12-26 D62611 708.63NAVD881S  A
1985-12-26 D720198.31  1S  A
1986-01-29 D62610 708.49NGVD291S  A
1986-01-29 D62611 708.43NAVD881S  A
1986-01-29 D720198.51  1S  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
Status5Groundwater level affected by surface water
Method of measurementSSteel-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.