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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 384411090354601
Minimum number of levels = 1
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USGS 384411090354601 46N4E-17.3a1

St. Charles County, Missouri
Latitude  38°44'10.8", Longitude  90°35'46.3" NAD83
Land-surface elevation 505 feet above NGVD29
The depth of the well is 29.4 feet below land surface.
The depth of the hole is 29.5 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 Quaternary System (110QRNR) 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
2005-04-05 D62610 494.60NGVD291TUSGSSA
2005-04-05 D62611 494.50NAVD881TUSGSSA
2005-04-05 D7201910.40  1TUSGSSA
2005-05-26 D62610 494.02NGVD291TUSGSSA
2005-05-26 D62611 493.92NAVD881TUSGSSA
2005-05-26 D7201910.98  1TUSGSSA
2005-06-06 D62610 493.11NGVD291TUSGSSA
2005-06-06 D62611 493.01NAVD881TUSGSSA
2005-06-06 D7201911.89  1TUSGSSA
2005-07-2716:00 UTCm62610 491.90NGVD291TUSGSSA
2005-07-2716:00 UTCm62611 491.80NAVD881TUSGSSA
2005-07-2716:00 UTCm7201913.10  1TUSGSSA
2006-05-23 D62610 493.83NGVD291TUSGSSA
2006-05-23 D62611 493.73NAVD881TUSGSSA
2006-05-23 D7201911.17  1TUSGSSA
2007-06-2021:55 UTCm62610 492.75NGVD291TUSGSSA
2007-06-2021:55 UTCm62611 492.65NAVD881TUSGSSA
2007-06-2021:55 UTCm7201912.25  1TUSGSSA
2008-04-2419:45 UTCm62610 495.41NGVD291TUSGSSA
2008-04-2419:45 UTCm62611 495.31NAVD881TUSGSSA
2008-04-2419:45 UTCm720199.59  1TUSGSSA
2008-05-2821:48 UTCm62610 495.98NGVD291TUSGSSA
2008-05-2821:48 UTCm62611 495.88NAVD881TUSGSSA
2008-05-2821:48 UTCm720199.02  1TUSGSSA
2009-06-0817:20 UTCm62610 494.46NGVD291TUSGSSA
2009-06-0817:20 UTCm62611 494.36NAVD881TUSGSSA
2009-06-0817:20 UTCm7201910.54  1TUSGSSA
2010-04-1219:25 UTCm62610 495.11NGVD291VUSGSSA
2010-04-1219:25 UTCm62611 495.01NAVD881VUSGSSA
2010-04-1219:25 UTCm720199.89  1VUSGSSA
2011-04-1922:56 UTCm62610 495.84NGVD291VUSGSSA
2011-04-1922:56 UTCm62611 495.74NAVD881VUSGSSA
2011-04-1922:56 UTCm720199.16  1VUSGSSA
2012-04-0319:46 UTCm62610 494.47NGVD291VUSGSSA
2012-04-0319:46 UTCm62611 494.37NAVD881VUSGSSA
2012-04-0319:46 UTCm7201910.53  1VUSGSSA
2015-06-0822:37 UTCm62610 495.56NGVD291VUSGSSA
2015-06-0822:37 UTCm62611 495.46NAVD881VUSGSSA
2015-06-0822:37 UTCm720199.44  1VUSGSSA
2015-08-1116:00 UTCm62610 494.35NGVD291VUSGSSA
2015-08-1116:00 UTCm62611 494.25NAVD881VUSGSSA
2015-08-1116:00 UTCm7201910.65  1VUSGSSA
2019-07-0818:06 UTCm62610 493.80NGVD291VUSGSSA
2019-07-0818:06 UTCm62611 493.70NAVD881VUSGSSA
2019-07-0818:06 UTCm7201911.20  1VUSGSSA
2021-07-2719:26 UTCm62610 493.84NGVD291VUSGSSA
2021-07-2719:26 UTCm62611 493.74NAVD881VUSGSSA
2021-07-2719:26 UTCm7201911.16  1VUSGSSA
2023-09-2914:23 UTCm62610 491.58NGVD291VUSGSSA
2023-09-2914:23 UTCm62611 491.48NAVD881VUSGSSA
2023-09-2914:23 UTCm7201913.42  1VUSGSSA

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 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.