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Site Number: 384849090092001 - Columbia Bottoms


 
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DESCRIPTION:
Latitude 38°48'46.6", Longitude 90°09'08.7"   NAD83
St. Louis County, Missouri, Hydrologic Unit 07140101
Well depth: 104 feet
Hole depth: 104 feet
Land surface altitude: 422feet above NGVD29.
Well completed in "Mississippi River Valley alluvial aquifer" (N100MSRVVL) national aquifer.
Well completed in "Holocene Alluvium" (111ALVM) local aquifer
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     2007-10-01  2016-07-23  
 Daily Data
    Depth to water level, feet below land surface  1957-09-30  2016-07-22  11444 
 Daily Statistics 
    Depth to water level, feet below land surface  1957-09-30  2015-01-13 10897 
 Monthly Statistics 
    Depth to water level, feet below land surface  1957-09  2015-01  
 Annual Statistics 
    Depth to water level, feet below land surface  1957  2015  
 Field groundwater-level measurements 1957-06-24  2016-06-10  37 
 Water-Year Summary 2014  2014  1 

Additional Data Sources

Begin Date

End Date

Count
 Groundwater Watch  **offsite** 1957  2016  11473 
OPERATION:
Record for this site is maintained by the USGS Missouri Water Science Center
Email questions about this site toMissouri Water Science Center Water-Data Inquiries
Site Statistics

Most recent data value: 14.84 on 7/21/2016
Period of Record Monthly Statistics for 384849090092001
Depth to water level, feet below land surface
All Approved Continuous & Periodic Data Used In Analysis
Note: Highlighted values in the table indicate closest statistic to the most recent data value.
MonthLowest
Median
10th
%ile
25th
%ile
50th
%ile
75th
%ile
90th
%ile
Highest
Median
Number
of
Years
Jan  26.94  25.54  24.00  21.37  18.54  13.30  10.3852
Feb  27.33  25.27  24.20  21.58  17.00  12.89   7.9547
Mar  26.50  25.20  23.85  20.23  16.73  11.07   3.2246
Apr  25.37  23.95  21.73  18.06  12.21   7.79  -4.9748
May  24.27  22.77  19.86  14.30  10.73   6.93   3.6448
Jun  24.09  21.72  18.66  13.68  11.58   7.46   3.7549
Jul  22.96  22.30  19.24  16.16  12.96   7.09   1.5849
Aug  26.23  23.17  20.46  18.67  16.44  14.17   8.0352
Sep  27.77  23.68  21.85  19.99  18.40  16.43  11.2852
Oct  29.03  23.51  22.57  20.88  19.35  15.07  11.8253
Nov  28.30  24.24  23.05  20.93  18.52  15.07   8.3953
Dec  26.75  24.96  23.21  20.86  18.17  13.31   8.9153
As of 7/22/2016 22:49-2
   Statistics Options

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Daily Groundwater Data

Most recent Provisional daily data value: 14.84 on 07/21/16
Summary for Period of Continuous Record
Depth to water level, feet below land surface
Approved Daily Mean Values Data Used in Analysis
Begin
Date
End Date Days%
Complete
09/30/5701/13/15 10,89752
Lowest
Level
5th
%ile
10th
%ile
25th
%ile
50th
%ile
75th
%ile
90th
%ile
95th
%ile
Highest
Level
29.3024.6423.7421.7819.0114.2910.098.27-5.08

Daily Data Options

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Periodic Groundwater Data


Summary for Period of Record Periodic Water Levels
Depth to water level, feet below land surface
Approved Periodic Water Level Values
Begin DateEnd DateNumber of Values
06/24/5706/10/1637
Highest WLDate of Highest WLLowest WLDate of Lowest WL
4.3107/14/1524.2701/21/03

Groundwater Levels Options

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Period of Record - All Data Types

Summary for Period of Record - All Data Types
Depth to water level, feet below land surface
Begin DateEnd DateNumber of Values
06/24/5707/21/1612,202
Highest WLDate of Highest WLLowest WLDate of Lowest WL
-5.0804/24/7329.310/19/83

Period of Record Options

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