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Site Number: 385432091343201 - Graham Cave State Park


 
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DESCRIPTION:
Latitude 38°54'32", Longitude 91°34'32"   NAD83
Montgomery County, Missouri, Hydrologic Unit 10300200
Well depth: 405 feet
Hole depth: 405 feet
Land surface altitude: 770feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Powell-Cotter Dolomites" (368PLCR) local aquifer
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     2009-04-16  2021-11-21  
 Daily Data
    Depth to water level, feet below land surface  2009-04-16  2021-11-20  4552 
 Daily Statistics 
    Depth to water level, feet below land surface  2009-04-16  2021-10-03 4504 
 Monthly Statistics 
    Depth to water level, feet below land surface  2009-04  2021-10  
 Annual Statistics 
    Depth to water level, feet below land surface  2009  2022  
 Field groundwater-level measurements 2009-04-15  2021-10-05  31 
 Water-Year Summary 2014  2021  8 

Additional Data Sources

Begin Date

End Date

Count
 Groundwater Watch  **offsite** 2009  2021  4515 
OPERATION:
Record for this site is maintained by the USGS Missouri Water Science Center
Email questions about this site to Missouri Water Science Center Water-Data Inquiries
Site Statistics

Most recent data value: 253.27 on 12/1/2021
Period of Record Monthly Statistics for 385432091343201
Depth to water level, feet below land surface
MonthAverage
Monthly
Minimum

Monthly
Median
Average
Monthly
Maximum
Number
of
Months
Jan241.98247.27252.357
Feb241.41246.84252.007
Mar241.23246.55251.687
Apr240.98244.70251.158
May240.92244.63250.658
Jun240.91245.15250.278
Jul241.15246.75250.488
Aug241.73248.04252.718
Sep242.10248.13253.108
Oct242.26248.19253.068
Nov242.34248.15253.208
Dec242.01247.64252.737
As of 3/16/2018 20:08-M
Daily Groundwater Data

Most recent Provisional daily data value: 253.27 on 12/01/21
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
04/16/0910/03/21 4,50498
Lowest
Level
5th
%ile
10th
%ile
25th
%ile
50th
%ile
75th
%ile
90th
%ile
95th
%ile
Highest
Level
254.97253.16252.57251.15248.78244.47241.97241.25240.19

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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
04/15/0910/05/2131
Highest WLDate of Highest WLLowest WLDate of Lowest WL
240.9604/07/10254.510/05/21

Groundwater Levels Options

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Note: The most recent measurement on 10/05/2021 has the following status:
''
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
04/15/0912/01/215,321
Highest WLDate of Highest WLLowest WLDate of Lowest WL
240.1904/25/10254.9709/22/18

Period of Record Options

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Last update: Monday, March 8, 2021 at 14:43
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