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Groundwater levels for the Nation

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USGS 415640093062101 082N19W06ACCB 00908 1939Melbourne 1

Marshall County, Iowa
Latitude  41°56'40", Longitude  93°06'21" NAD27
Land-surface elevation 1,050 feet above NGVD29
The depth of the well is 1,340 feet below land surface.
The depth of the hole is 1,340 feet below land surface.
This well is completed in the Silurian System (350SLRN) 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
1939-05-10 D62610 848.00NGVD291OUSGSSP
1939-05-10 D62611 848.09NAVD881OUSGSSP
1939-05-10 D72019202.00  1OUSGSSP
1988-09-0717:00 UTCm62610 822.38NGVD291V  A
1988-09-0717:00 UTCm62611 822.47NAVD881V  A
1988-09-0717:00 UTCm72019227.62  1V  A
1989-06-2019:20 UTCm62610 822.18NGVD291S  A
1989-06-2019:20 UTCm62611 822.27NAVD881S  A
1989-06-2019:20 UTCm72019227.82  1S  A
1989-09-0616:00 UTCm62610 821.68NGVD291S  A
1989-09-0616:00 UTCm62611 821.77NAVD881S  A
1989-09-0616:00 UTCm72019228.32  1S  A
1989-10-1017:45 UTCm62610 821.61NGVD291S  A
1989-10-1017:45 UTCm62611 821.70NAVD881S  A
1989-10-1017:45 UTCm72019228.39  1S  A
1989-11-2917:30 UTCm62610 821.42NGVD291S  A
1989-11-2917:30 UTCm62611 821.51NAVD881S  A
1989-11-2917:30 UTCm72019228.58  1S  A
1990-01-1919:25 UTCm62610 821.33NGVD291S  A
1990-01-1919:25 UTCm62611 821.42NAVD881S  A
1990-01-1919:25 UTCm72019228.67  1S  A
1990-05-0219:15 UTCm62610 821.36NGVD291S  A
1990-05-0219:15 UTCm62611 821.45NAVD881S  A
1990-05-0219:15 UTCm72019228.64  1S  A
1990-07-2317:35 UTCm62610 821.28NGVD291S  A
1990-07-2317:35 UTCm62611 821.37NAVD881S  A
1990-07-2317:35 UTCm72019228.72  1S  A
1991-08-1613:10 UTCm62610 842.53NGVD291S  A
1991-08-1613:10 UTCm62611 842.62NAVD881S  A
1991-08-1613:10 UTCm72019207.47  1S  A
1991-11-2117:40 UTCm62610 844.39NGVD291S  A
1991-11-2117:40 UTCm62611 844.48NAVD881S  A
1991-11-2117:40 UTCm72019205.61  1S  A
1992-02-1916:10 UTCm62610 827.27NGVD291S  A
1992-02-1916:10 UTCm62611 827.36NAVD881S  A
1992-02-1916:10 UTCm72019222.73  1S  A
1992-05-2121:50 UTCm62610 842.28NGVD291S  A
1992-05-2121:50 UTCm62611 842.37NAVD881S  A
1992-05-2121:50 UTCm72019207.72  1S  A
1992-08-0519:15 UTCm62610 848.44NGVD291S  A
1992-08-0519:15 UTCm62611 848.53NAVD881S  A
1992-08-0519:15 UTCm72019201.56  1S  A
1992-11-0618:05 UTCm62610 848.01NGVD291S  A
1992-11-0618:05 UTCm62611 848.10NAVD881S  A
1992-11-0618:05 UTCm72019201.99  1S  A
1993-02-0216:15 UTCm62610 838.06NGVD291S  A
1993-02-0216:15 UTCm62611 838.15NAVD881S  A
1993-02-0216:15 UTCm72019211.94  1S  A
1993-05-0419:25 UTCm62610 831.23NGVD291S  A
1993-05-0419:25 UTCm62611 831.32NAVD881S  A
1993-05-0419:25 UTCm72019218.77  1S  A
1993-08-2315:40 UTCm62610 840.32NGVD291S  A
1993-08-2315:40 UTCm62611 840.41NAVD881S  A
1993-08-2315:40 UTCm72019209.68  1S  A
1993-11-0118:10 UTCm62610 817.68NGVD291S  A
1993-11-0118:10 UTCm62611 817.77NAVD881S  A
1993-11-0118:10 UTCm72019232.32  1S  A
1994-01-3115:40 UTCm62610 840.53NGVD291S  A
1994-01-3115:40 UTCm62611 840.62NAVD881S  A
1994-01-3115:40 UTCm72019209.47  1S  A
1994-05-0215:25 UTCm62610 841.73NGVD291S  A
1994-05-0215:25 UTCm62611 841.82NAVD881S  A
1994-05-0215:25 UTCm72019208.27  1S  A
1994-11-0221:40 UTCm62610 844.22NGVD291S  A
1994-11-0221:40 UTCm62611 844.31NAVD881S  A
1994-11-0221:40 UTCm72019205.78  1S  A
1995-05-0815:40 UTCm62610 833.29NGVD291S  A
1995-05-0815:40 UTCm62611 833.38NAVD881S  A
1995-05-0815:40 UTCm72019216.71  1S  A
1995-07-3116:45 UTCm62610 842.62NGVD291S  A
1995-07-3116:45 UTCm62611 842.71NAVD881S  A
1995-07-3116:45 UTCm72019207.38  1S  A
1995-11-0217:35 UTCm62610 814.45NGVD291S  A
1995-11-0217:35 UTCm62611 814.54NAVD881S  A
1995-11-0217:35 UTCm72019235.55  1S  A
1996-02-0517:55 UTCm62610 815.65NGVD291S  A
1996-02-0517:55 UTCm62611 815.74NAVD881S  A
1996-02-0517:55 UTCm72019234.35  1S  A
1996-05-0614:55 UTCm62610 821.81NGVD291S  A
1996-05-0614:55 UTCm62611 821.90NAVD881S  A
1996-05-0614:55 UTCm72019228.19  1S  A
1996-08-0513:55 UTCm62610 825.23NGVD291S  A
1996-08-0513:55 UTCm62611 825.32NAVD881S  A
1996-08-0513:55 UTCm72019224.77  1S  A
1996-11-0417:15 UTCm62610 818.75NGVD291S  A
1996-11-0417:15 UTCm62611 818.84NAVD881S  A
1996-11-0417:15 UTCm72019231.25  1S  A
1997-02-1117:55 UTCm62610 816.67NGVD291S  A
1997-02-1117:55 UTCm62611 816.76NAVD881S  A
1997-02-1117:55 UTCm72019233.33  1S  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracymDate is accurate to the Minute
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 measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
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.