Station list     Available data
ILLINOIS RIVER BASIN


05533500       DES PLAINES RIVER AT LEMONT, IL

 

LOCATION.-- Above dam, lat 41°40'54", long 88°00'09" (NAD of 1927), in NW1/4 sec. 20, T. 37 N., R.11 E., Cook County, Hydrologic Unit 07120004, at Stephens Street Bridge, 0.2 mi north of Lemont and 11 mi upstream from confluence with Chicago Sanitary and Ship Canal.

 

DRAINAGE AREA.-- 687 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: November 1914 to September 1944.

 

GAGE.-- Wire-weight gage. Datum of gage is 583.67 ft above NGVD of 1929.

 

REMARKS.-- During high water part of flow spills into Chicago Sanitary and Ship canal at Willow Springs, 7 mi above station, and (since February 1941) at two additional points 1 mi and 1.2 mi above station. This flow is not included in daily discharge.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 5,520 ft3/s Mar. 18, 1919; no flow for many days.




Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data