Groundwater Watch Latest News...


Site Number: 421145088194801 - 43N8E-20.6h1 (17-ALG-S)


 
Groundwater
Watch Help Page
DESCRIPTION:
Latitude 42°11'45", Longitude 88°19'48"   NAD83
Mchenry County, Illinois, Hydrologic Unit 07120006
Well depth: 47.3 feet
Hole depth: 189 feet
Land surface altitude: 880.03feet 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     2010-10-01  2022-05-15  
 Daily Data
    Depth to water level, feet below land surface  2010-10-01  2022-05-14  4212 
 Field groundwater-level measurements 2010-09-22  2022-03-28  40 
Field/Lab water-quality samples
 Water-Year Summary 2011  2021  10 

Additional Data Sources

Begin Date

End Date

Count
 Groundwater Watch  **offsite** 2010  2021  4010 
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
McHenry County, Illinois.
Site Statistics

Most recent data value: -0.48 on 5/17/2022
Period of Record Monthly Statistics for 421145088194801
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
Jan3.873.501.890.66-0.64-1.18-1.2512
Feb3.062.821.680.27-0.51-1.28-1.5412
Mar0.110.03-0.28-0.86-1.09-1.58-1.7212
Apr0.760.63-0.05-0.75-1.35-1.57-1.6111
May1.721.63-0.21-0.87-1.43-1.98-1.9811
Jun2.552.530.90-0.26-0.71-0.94-0.9811
Jul4.183.792.020.98-0.36-1.43-1.6111
Aug5.054.582.671.951.590.670.6511
Sep6.085.292.931.901.32-0.55-0.8712
Oct6.625.673.032.230.94-1.07-1.2612
Nov6.085.252.421.540.06-0.93-0.9712
Dec5.965.141.960.80-0.21-1.61-1.9512
.As of 5/14/2022 09:10-2
   Statistics Options

 View month/year statistics
    View month/year statistics
Daily Groundwater Data

Most recent Provisional daily data value: -0.48 on 05/17/22
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
10/01/1003/27/22 4,16599
Lowest
Level
5th
%ile
10th
%ile
25th
%ile
50th
%ile
75th
%ile
90th
%ile
95th
%ile
Highest
Level
6.903.983.131.960.52-0.72-1.45-1.85-3.51

Daily Data Options

View latest data on NWISWeb

View data in calendar format

Download data in text format

 View daily medians
View daily medians
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
09/22/1003/28/2240
Highest WLDate of Highest WLLowest WLDate of Lowest WL
-2.7604/26/116.7910/09/12

Groundwater Levels Options

View latest data on NWISWeb

Download groundwater levels in text format

Note: The most recent measurement on 03/28/2022 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
09/22/1005/17/224,979
Highest WLDate of Highest WLLowest WLDate of Lowest WL
-3.5107/22/176.910/12/12

Period of Record Options

View latest data on NWISWeb for all data types

View month/year statistics

Download groundwater levels in text format of all data types


         

*References to non-Department of the Interior (DOI) products do not constitute an endorsement by the DOI.

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: https://groundwaterwatch.usgs.gov/AWLSites.asp
Last update: Monday, March 8, 2021 at 15:43
Page Contact Information: Contact the GroundWater Watch Support Team