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Groundwater levels for the Nation

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Agency code = usgs
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  • 411847091053201
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USGS 411847091053201 075N02W09ADDC 30960 Iowa-Illinois Obs 44B

Louisa County, Iowa
Latitude  41°18'47", Longitude  91°05'32" NAD27
Land-surface elevation 572 feet above NGVD29
The depth of the well is 185 feet below land surface.
The depth of the hole is 185 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Devonian-Silurian Systems (347DVSL) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
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
1992-08-16 D62610 530.11NGVD291S  A
1992-08-16 D62611 529.88NAVD881S  A
1992-08-16 D7201941.89  1S  A
1992-09-21 D62610 530.16NGVD291S  A
1992-09-21 D62611 529.93NAVD881S  A
1992-09-21 D7201941.84  1S  A
1992-10-23 D62610 530.10NGVD291S  A
1992-10-23 D62611 529.87NAVD881S  A
1992-10-23 D7201941.90  1S  A
1992-11-02 D62610 530.03NGVD291S  A
1992-11-02 D62611 529.80NAVD881S  A
1992-11-02 D7201941.97  1S  A
1992-11-04 D62610 505.32NGVD291S  A
1992-11-04 D62611 505.09NAVD881S  A
1992-11-04 D7201966.68  1S  A
1992-11-10 D62610 502.32NGVD291S  A
1992-11-10 D62611 502.09NAVD881S  A
1992-11-10 D7201969.68  1S  A
1992-11-23 D62610 504.27NGVD291S  A
1992-11-23 D62611 504.04NAVD881S  A
1992-11-23 D7201967.73  1S  A
1992-12-03 D62610 505.72NGVD291S  A
1992-12-03 D62611 505.49NAVD881S  A
1992-12-03 D7201966.28  1S  A
1992-12-18 D62610 507.82NGVD291S  A
1992-12-18 D62611 507.59NAVD881S  A
1992-12-18 D7201964.18  1S  A
1993-01-29 D62610 512.64NGVD291S  A
1993-01-29 D62611 512.41NAVD881S  A
1993-01-29 D7201959.36  1S  A
1993-02-26 D62610 515.28NGVD291S  A
1993-02-26 D62611 515.05NAVD881S  A
1993-02-26 D7201956.72  1S  A
1993-03-29 D62610 517.89NGVD291S  A
1993-03-29 D62611 517.66NAVD881S  A
1993-03-29 D7201954.11  1S  A
1993-04-26 D62610 520.20NGVD291S  A
1993-04-26 D62611 519.97NAVD881S  A
1993-04-26 D7201951.80  1S  A
1993-05-24 D62610 522.31NGVD291S  A
1993-05-24 D62611 522.08NAVD881S  A
1993-05-24 D7201949.69  1S  A
1993-06-23 D62610 524.11NGVD291S  A
1993-06-23 D62611 523.88NAVD881S  A
1993-06-23 D7201947.89  1S  A
1993-07-27 D62610 526.32NGVD291Z  A
1993-07-27 D62611 526.09NAVD881Z  A
1993-07-27 D7201945.68  1Z  A
1993-08-23 D62610 527.81NGVD291Z  A
1993-08-23 D62611 527.58NAVD881Z  A
1993-08-23 D7201944.19  1Z  A
1993-09-23 D62610 529.17NGVD291Z  A
1993-09-23 D62611 528.94NAVD881Z  A
1993-09-23 D7201942.83  1Z  A
1993-10-29 D62610 530.21NGVD291Z  A
1993-10-29 D62611 529.98NAVD881Z  A
1993-10-29 D7201941.79  1Z  A
1993-11-30 D62610 530.46NGVD291Z  A
1993-11-30 D62611 530.23NAVD881Z  A
1993-11-30 D7201941.54  1Z  A
1993-12-28 D62610 530.57NGVD291Z  A
1993-12-28 D62611 530.34NAVD881Z  A
1993-12-28 D7201941.43  1Z  A
1994-01-26 D62610 530.61NGVD291Z  A
1994-01-26 D62611 530.38NAVD881Z  A
1994-01-26 D7201941.39  1Z  A
1994-02-28 D62610 530.63NGVD291Z  A
1994-02-28 D62611 530.40NAVD881Z  A
1994-02-28 D7201941.37  1Z  A
1994-03-28 D62610 530.81NGVD291Z  A
1994-03-28 D62611 530.58NAVD881Z  A
1994-03-28 D7201941.19  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 measurementSSteel-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.