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Groundwater levels for the Nation

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USGS 415935092401402 083N16W23AAAB 2011MMW-2B

Tama County, Iowa
Latitude  41°59'35", Longitude  92°40'14" NAD83
Land-surface elevation 837.79 feet above NAVD88
The depth of the well is 26.0 feet below land surface.
The depth of the hole is 27.5 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
2011-06-2920:30 UTCm62610 832.22NGVD291TUSGSSA
2011-06-2920:30 UTCm62611 832.25NAVD881TUSGSSA
2011-06-2920:30 UTCm720195.54  1TUSGSSA
2017-08-0818:31 UTCm62610 827.88NGVD291TUSGSSA
2017-08-0818:31 UTCm62611 827.91NAVD881TUSGSSA
2017-08-0818:31 UTCm720199.88  1TUSGSSA
2017-10-3115:07 UTCm62610 827.41NGVD291TUSGSSA
2017-10-3115:07 UTCm62611 827.44NAVD881TUSGSSA
2017-10-3115:07 UTCm7201910.35  1TUSGSSA
2018-06-0714:38 UTCm62610 829.82NGVD291TUSGSSA
2018-06-0714:38 UTCm62611 829.85NAVD881TUSGSSA
2018-06-0714:38 UTCm720197.94  1TUSGSSA
2019-12-0318:10 UTCm62610 832.58NGVD291TUSGSSA
2019-12-0318:10 UTCm62611 832.61NAVD881TUSGSSA
2019-12-0318:10 UTCm720195.18  1TUSGSSA
2020-03-0518:01 UTCm62610 831.55NGVD291TUSGSSA
2020-03-0518:01 UTCm62611 831.58NAVD881TUSGSSA
2020-03-0518:01 UTCm720196.21  1TUSGSSA
2020-04-3017:08 UTCm62610 832.03NGVD291TUSGSSA
2020-04-3017:08 UTCm62611 832.06NAVD881TUSGSSA
2020-04-3017:08 UTCm720195.73  1TUSGSSA
2020-07-1716:45 UTCm62610 830.82NGVD291TUSGSSA
2020-07-1716:45 UTCm62611 830.85NAVD881TUSGSSA
2020-07-1716:45 UTCm720196.94  1TUSGSSA
2020-10-1417:54 UTCm62610 828.77NGVD291TUSGSSA
2020-10-1417:54 UTCm62611 828.80NAVD881TUSGSSA
2020-10-1417:54 UTCm720198.99  1TUSGSSA
2021-06-2419:07 UTCm62610 828.58NGVD291VUSGSSA
2021-06-2419:07 UTCm62611 828.61NAVD881VUSGSSA
2021-06-2419:07 UTCm720199.18  1VUSGSSA
2021-10-2217:10 UTCm62610 824.31NGVD291VUSGSSA
2021-10-2217:10 UTCm62611 824.34NAVD881VUSGSSA
2021-10-2217:10 UTCm7201913.45  1VUSGSSA
2022-02-0918:18 UTCm62610 824.27NGVD291VUSGSSA
2022-02-0918:18 UTCm62611 824.30NAVD881VUSGSSA
2022-02-0918:18 UTCm7201913.49  1VUSGSSA
2022-06-1415:15 UTCm62610 830.16NGVD291VUSGSSA
2022-06-1415:15 UTCm62611 830.19NAVD881VUSGSSA
2022-06-1415:15 UTCm720197.60  1VUSGSSA
2023-01-0416:52 UTCm62610 824.38NGVD291VUSGSSA
2023-01-0416:52 UTCm62611 824.41NAVD881VUSGSSA
2023-01-0416:52 UTCm7201913.38  1VUSGSSA
2023-05-0216:18 UTCm62610 828.66NGVD291VUSGSSA
2023-05-0216:18 UTCm62611 828.69NAVD881VUSGSSA
2023-05-0216:18 UTCm720199.10  1VUSGSSA
2023-07-1816:50 UTCm62610 826.43NGVD291VUSGSSA
2023-07-1816:50 UTCm62611 826.46NAVD881VUSGSSA
2023-07-1816:50 UTCm7201911.33  1VUSGSSA
2023-12-1218:10 UTCm62610 822.64NGVD291VUSGSSP
2023-12-1218:10 UTCm62611 822.67NAVD881VUSGSSP
2023-12-1218:10 UTCm7201915.12  1VUSGSSP
2024-05-3015:02 UTCm62610 832.93NGVD291VUSGSSP
2024-05-3015:02 UTCm62611 832.96NAVD881VUSGSSP
2024-05-3015:02 UTCm720194.83  1VUSGSSP

Explanation
SectionCodeDescription
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 measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
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.