Station list     Available data
422803087475304 DATA: GW_LEVELS_2000                    

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
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
5214.65213.90212.77211.40------209.08209.34208.83208.40209.89210.77
10214.15213.65212.77---------209.33209.46208.46208.34209.53210.77
15213.65213.90211.90---------208.96209.59208.33208.40209.52---
20213.65214.15212.14------209.52208.70209.27208.32208.52210.14210.33
25213.52214.15212.08------209.34208.96208.84208.39209.27210.14210.04
EOM213.65213.90211.40------209.34209.02208.96208.46209.83210.03209.74
 
WTR YR 2000HIGH 207.95JUNE 16LOW 215.15OCT 1,3


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data