Station list     Available data
422803087475304 DATA: GW_LEVELS_2001               

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
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
5209.91209.57209.19208.37208.07207.84---207.79207.44209.57210.98210.75
10209.81209.67209.02208.60208.48207.77207.44208.10207.16210.15211.16210.92
15---209.31209.19208.31208.02---207.33207.73207.16210.63211.56210.74
20---209.25208.72208.49208.25---207.20207.62207.45211.22211.69210.15
25209.85209.19209.19208.55208.01---207.45207.45207.51210.75211.15210.14
EOM209.62209.20208.73208.07208.13---207.39207.44208.40210.51210.62210.22
 
WATER YEAR 2001HIGH 206.79APRIL 12LOW 211.80AUG 17


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data