Available Data

420114088141801 Cook County, IL, Local number 41N9E-20.7b

(Station list)  (Map)

Miscellaneous Ground-Water Levels


2005

Additional data for this station:
Station Descriptions
Ground-Water Data Water Levels Miscellaneous   (2005)
Water Quality Annual Tables   (2000)

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data