Station list     Available data
                   

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



LOCATION.-- Lat 42°28'03", long 87°47'53", 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.-- Drilled unused artesian well, one of three piezometers in 10-in. borehole, diameter 1.25 in., depth 1,203 ft, cased to 1,186 ft, 2-in. screen.

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, 207.61 ft below land-surface datum, June 16, 1997; lowest, 235.66 ft below land-surface datum, Dec. 22, 1989.
WATER LEVEL, IN FEET BELOW LAND SURFACE DATUM, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MAXIMUM VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
5 214.65 213.90 212.77 211.40 --- --- 209.08 209.34 208.83 208.40 209.89 210.77
10 214.15 213.65 212.77 --- --- --- 209.33 209.46 208.46 208.34 209.53 210.77
15 213.65 213.90 211.90 --- --- --- 208.96 209.59 208.33 208.40 209.52 ---
20 213.65 214.15 212.14 --- --- 209.52 208.70 209.27 208.32 208.52 210.14 210.33
25 213.52 214.15 212.08 --- --- 209.34 208.96 208.84 208.39 209.27 210.14 210.04
EOM 213.65 213.90 211.40 --- --- 209.34 209.02 208.96 208.46 209.83 210.03 209.74
 
WTR YR 2000 HIGH 207.95 JUNE 16 LOW 215.15 OCT 1,3


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data