Station list     Available data

422803087475303       LAKE COUNTY, IL, LOCAL NUMBER 46N12E-14.6G3

 

LOCATION.-- Lat 42°28'03", long 87°47'53" (NAD of 1927), 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.-- Elmhurst Sandstone member of the Eau Claire Formation and the upper Mount Simon Sandstone of Cambrian age.

 

WELL CHARACTERISTICS.-- One of three piezometers in 10-in. borehole, diameter 1.25 in., depth 1,684 ft, cased to 1,666 ft, 2-in. screen, drilled observation artesian well.

 

PERIOD OF RECORD.--

 

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

 

INSTRUMENTATION.-- Manual steel-tape measurement made every 2 months.

 

DATUM.-- Land-surface datum is 586 ft above NGVD of 1929. Measuring point: Top coupling on 1.25-in. plastic pipe, 2.67 ft above land-surface datum.

 

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

 

EXTREMES FOR PERIOD OF RECORD.--

GROUND-WATER LEVELS: Highest water level, 199.57 ft below land-surface datum, Oct. 23, 2000; lowest, 232.7 ft below land-surface datum, Oct. 18, Nov. 12, 18, 19, 28, 29, 1989.


WATER LEVELS, IN FEET BELOW LAND-SURFACE DATUM, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
WATER WATER WATER WATER
LEVEL LEVEL LEVEL LEVEL
OCT 07 209.07 FEB 05 208.47 MAY 18 207.34 SEP 13 207.55
DEC 08 208.55 MAR 29 207.73 JUL 12 206.58
 
WATER YEAR 2004 HIGH 206.58 JUL 12 LOW 209.07 OCT 07


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data