Station list     Available data
              

422803087475304       LAKE COUNTY, IL, LOCAL NUMBER 46N12E-14.6G4



LOCATION.-- Lat 42°28'03", long 87°47'53", in SW1/4NE1/4NW1/4 sec. 14, T. 46 N., R. 12 E., Hydrologic Unit 04040002, at Illinois Beach State Park, northern unit. Owner: U.S. Geological Survey.

AQUIFER.-- Ironton and Galesville Sandstones of Cambrian age.

WELL CHARACTERISTICS.-- One of three piezometers in 10-in. borehole, diameter 1.25 in., depth 1,203 ft, cased to 1,186 ft, 2-in. screen, drilled observation artesian well.

PERIOD OF RECORD.--
GROUND-WATER LEVELS: November 1988 to September 1997, December 1998 to current year. Miscellaneous water-level measurements from December 1981 to November 1988 are available in files of the U.S. Geological Survey.

INSTRUMENTATION.-- Electronic data logger--60-minute recording.

DATUM.-- Land-surface datum is 586 ft above sea level. Measuring point: Top coupling on 1.25-in. plastic pipe, 2.73 ft above land-surface datum.

REMARKS.-- Ground-water levels affected by regional pumping.

EXTREMES FOR PERIOD OF RECORD.--
GROUND-WATER LEVELS: Highest water level, 206.79 ft below land-surface datum, April 12, 2001; lowest, 235.66 ft below land-surface datum, Dec. 22, 1989.
WATER LEVEL, IN FEET BELOW LAND SURFACE DATUM, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MAXIMUM VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
5 209.91 209.57 209.19 208.37 208.07 207.84 --- 207.79 207.44 209.57 210.98 210.75
10 209.81 209.67 209.02 208.60 208.48 207.77 207.44 208.10 207.16 210.15 211.16 210.92
15 --- 209.31 209.19 208.31 208.02 --- 207.33 207.73 207.16 210.63 211.56 210.74
20 --- 209.25 208.72 208.49 208.25 --- 207.20 207.62 207.45 211.22 211.69 210.15
25 209.85 209.19 209.19 208.55 208.01 --- 207.45 207.45 207.51 210.75 211.15 210.14
EOM 209.62 209.20 208.73 208.07 208.13 --- 207.39 207.44 208.40 210.51 210.62 210.22
 
WATER YEAR 2001 HIGH 206.79 APRIL 12 LOW 211.80 AUG 17


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data