Station list     Available data
ILLINOIS RIVER BASIN


05551930       WELCH CREEK NEAR BIG ROCK, IL

 

LOCATION.-- Lat 41°45'36", long 88°30'38" (NAD of 1927), in SE1/4NE1/4 sec. 23, T. 38 N., R. 6 E., Kane County, Hydrologic Unit 07120007, at bridge on Granart Road, 2 mi southeast of Big Rock.

 

DRAINAGE AREA.-- 22.1 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

PARTIAL RECORD: Annual maximum, water years 1965 to 1980.

 

GAGE.-- Crest-stage gage. Datum is 684.11 ft above NGVD of 1929.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 694 ft3/sec, May 16, 1974, gage height, 4.56 ft.




Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data