Station list     Available data
ILLINOIS RIVER BASIN


05536118       NORTH BRANCH CHICAGO RIVER AT GRAND AVENUE AT CHICAGO, IL

 

LOCATION.-- Lat 41°53'30", long 87°38'30" (NAD of 1927), in NW1/4SW1/4 sec.12, T.40 N., R.13 E., Cook County, Hydrologic Unit 07120003, on right upstream side of Grand Avenue bridge in Chicago, 0.6 mi upstream from the confluence with the main stem of the Chicago River and at mile 36.0.
 

DRAINAGE AREA.-- 180 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: July 2, 2002 to current year.

SURFACE-WATER QUALITY
 

PHYSICAL AND CHEMICAL: Water years 2002 to current year.
 

WATER TEMPERATURE: September 2002 to current year.
 

GAGE.-- Water-stage recorder, acoustic velocity meter and water-temperature sensor. Datum of gage is 579.48 ft above NGVD of 1929 (Chicago City datum).
 

REMARKS.-- This station provides data for a water-quality model.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum daily discharge, 4,430 ft3/s, Aug. 22, 2002, minimum daily discharge, -20 ft3/s, Jan. 31, 2004, due to regulation.

WATER TEMPERATURE: Maximum recorded, 25.6°C, Aug. 27, 2003; minimum recorded, 0.5°C, Jan. 31, 2004.
 

REMARKS FOR CURRENT YEAR.-- Records poor.
 

EXTREMES FOR CURRENT YEAR.-- Maximum daily discharge, 4,430 ft3/s, Aug. 22, minimum daily discharge, 166 ft3/s, Sept. 15.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  482  e561 
2 ---  ---  ---  ---  ---  ---  ---  ---  ---  e465  555  801 
3 ---  ---  ---  ---  ---  ---  ---  ---  ---  519  460  904 
4 ---  ---  ---  ---  ---  ---  ---  ---  ---  502  537  706 
5 ---  ---  ---  ---  ---  ---  ---  ---  ---  551  563  538 
 
6 ---  ---  ---  ---  ---  ---  ---  ---  ---  471  570  531 
7 ---  ---  ---  ---  ---  ---  ---  ---  ---  512  525  531 
8 ---  ---  ---  ---  ---  ---  ---  ---  ---  500  507  558 
9 ---  ---  ---  ---  ---  ---  ---  ---  ---  1250  509  529 
10 ---  ---  ---  ---  ---  ---  ---  ---  ---  625  468  419 
 
11 ---  ---  ---  ---  ---  ---  ---  ---  ---  510  442  401 
12 ---  ---  ---  ---  ---  ---  ---  ---  ---  535  479  263 
13 ---  ---  ---  ---  ---  ---  ---  ---  ---  479  619  194 
14 ---  ---  ---  ---  ---  ---  ---  ---  ---  485  990  210 
15 ---  ---  ---  ---  ---  ---  ---  ---  ---  543  713  166 
 
16 ---  ---  ---  ---  ---  ---  ---  ---  ---  496  593  179 
17 ---  ---  ---  ---  ---  ---  ---  ---  ---  540  438  e218 
18 ---  ---  ---  ---  ---  ---  ---  ---  ---  536  450  386 
19 ---  ---  ---  ---  ---  ---  ---  ---  ---  552  535  499 
20 ---  ---  ---  ---  ---  ---  ---  ---  ---  450  e524  565 
 
21 ---  ---  ---  ---  ---  ---  ---  ---  ---  454  492  545 
22 ---  ---  ---  ---  ---  ---  ---  ---  ---  520  4430  687 
23 ---  ---  ---  ---  ---  ---  ---  ---  ---  501  2530  497 
24 ---  ---  ---  ---  ---  ---  ---  ---  ---  502  1440  434 
25 ---  ---  ---  ---  ---  ---  ---  ---  ---  514  923  423 
 
26 ---  ---  ---  ---  ---  ---  ---  ---  ---  506  879  447 
27 ---  ---  ---  ---  ---  ---  ---  ---  ---  514  850  374 
28 ---  ---  ---  ---  ---  ---  ---  ---  ---  507  848  409 
29 ---  ---  ---  ---  ---  ---  ---  ---  ---  510  750  517 
30 ---  ---  ---  ---  ---  ---  ---  ---  ---  509  648  479 
 
31 ---  ---  ---  ---  ---  ---  ---  ---  ---  473  e660  --- 

TOTAL --- --- --- --- --- --- --- --- --- --- 25409 13971
MEAN --- --- --- --- --- --- --- --- --- --- 820 466
MAX --- --- --- --- --- --- --- --- --- --- 4430 904
MIN --- --- --- --- --- --- --- --- --- --- 438 166
CFSM --- --- --- --- --- --- --- --- --- --- 4.57 2.60
IN. --- --- --- --- --- --- --- --- --- --- 5.27 2.90
e Estimated




Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data