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Site Number: 422032088222001 - 45N7E-25.7a (MHEN-08-01)


 
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DESCRIPTION:
Latitude 42°20'32.41", Longitude 88°22'20.47"   NAD83
Mchenry County, Illinois, Hydrologic Unit 07120006
Well depth: 103.3 feet
Hole depth: 180 feet
Land surface altitude: 860feet above NAVD88.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     2009-09-11  2020-03-28  
 Daily Data
    Depth to water level, feet below land surface  2009-09-11  2020-03-27  3842 
 Field groundwater-level measurements 2009-09-10  2020-02-27  38 
Field/Lab water-quality samples
 Water-Year Summary 2011  2019  8 
OPERATION:
Record for this site is maintained by the USGS Illinois Water Science Center
Email questions about this site to Illinois Water Science Center Water-Data Inquiries
ADDITIONAL INFORMATION
This site is operated in cooperation with the Illinois </ b>State Geological Survey of the Prairie Research </ b> Institute,University of Illinois, and McHenry </ b> County, Illinois. </b>
Site Statistics

Most recent data value: 32.44 on 3/30/2020
Period of Record Monthly Statistics for 422032088222001
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
Jan36.0635.9935.3334.7033.8732.8532.7710
Feb35.7935.7335.4534.3533.5432.6032.5711
Mar35.2235.2134.9334.2233.7532.3832.2510
Apr34.5834.5834.5433.8933.3932.4932.4110
May34.3634.3433.9933.5733.1531.8131.6810
Jun34.3134.2934.0733.7733.4631.8931.7310
Jul34.9634.9034.2033.8633.2532.4632.4310
Aug35.3335.2534.5434.2033.3432.9332.9210
Sep35.7835.6134.8934.3933.7032.8732.8311
Oct35.9735.8035.1034.6034.0432.2532.1611
Nov35.9635.8035.0434.6734.0732.2732.1411
Dec36.0035.9335.1734.6434.1332.8032.6710
.As of 3/28/2020 07:30-2
   Statistics Options

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Daily Groundwater Data

Most recent Provisional daily data value: 32.44 on 03/30/20
Summary for Period of Continuous Record
Depth to water level, feet below land surface
Approved Daily Maximum Values Data Used in Analysis
Begin
Date
End Date Days%
Complete
09/11/0902/26/20 3,81299
Lowest
Level
5th
%ile
10th
%ile
25th
%ile
50th
%ile
75th
%ile
90th
%ile
95th
%ile
Highest
Level
36.1735.6135.2234.7434.1533.5532.6932.4231.50

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
09/10/0902/27/2038
Highest WLDate of Highest WLLowest WLDate of Lowest WL
32.0505/07/1936.1401/29/13

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
09/10/0903/30/204,613
Highest WLDate of Highest WLLowest WLDate of Lowest WL
31.506/05/1936.1701/28/13

Period of Record Options

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