LOCATION.-- Lat 41°23'34", long 88°14'00" (NAD of 1927), in SW1/4SW1/4, sec.29, T.34 N., R.9 E., Will County, Hydrologic Unit 07120004, located just above the mouth of the Kankakee cut-off, and 2 mi below the mouth of Dupage River, near Channahon, IL.

DRAINAGE AREA.-- 2,093 mi².

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: April 1903 to September 1903.

GAGE.-- Staff gage. Datum of gage is 579.48 ft above NGVD of 1929 (Chicago city datum).

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 36,800 ft³/s, Apr. 15, 1903; minimum discharge, 6,430 ft³/s, Aug. 18, 19 and Sept. 6-8, 1903.

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data