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.
SURFACE-WATER QUALITY DATA
 
Sample Temper- Specific Sample Temper- Specific Sample Temper- Specific
location, ature conduct- location ature conduct- location ature conduct-
Date Time Depth (ft from water, ance, (ft from water ance, (ft from water ance,
(in ft) L bank) deg C uS/cm L bank) deg C uS/cm L bank) deg C uS/cm
(00010) (00095) (00010) (00095) (00010) (00095)
NOV 2002
06... 1010 0 40 12.9 707 80 12.9 707 120 12.9 707
2 40 12.9 707 80 12.9 707 120 12.9 707
4 40 12.9 707 80 12.9 707 120 12.9 707
6 40 12.9 707 80 12.9 707 120 12.9 706
8 40 12.9 707 80 12.9 707 120 12.9 706
10 40 12.9 707 80 12.9 707 120 12.9 707
12 40 12.9 707 80 12.9 707 120 12.9 708
14 40 12.8 705 80 12.9 708 120 12.9 707
16 40 12.8 705 80 12.9 707 120 12.9 708
18 --    -- 12.9 708 120 12.9 707
20 --    -- --    -- -- --    --
Date Time
Depth Sample Temper- Specific Sample Temper- Specific Sample Temper- Specific
(in ft) location, ature conduct- location ature conduct- location ature conduct-
(ft from water ance, (ft from water ance, (ft from water ance,
L bank) deg C uS/cm L bank) deg C uS/cm L bank) deg C uS/cm
(00010) (00095) (00010) (00095) (00010) (00095)
MAY 2003
06... 1250 0 40 13.3 873 80 13.4 874 120 13.4 871
2 40 13.4 872 80 13.4 873 120 13.5 870
4 40 13.4 872 80 13.3 873 120 13.4 871
6 40 13.4 871 80 13.3 873 120 13.3 871
8 40 13.3 871 80 13.2 872 120 13.3 871
10 40 13.3 871 80 13.2 872 120 13.3 870
12 40 13.3 870 80 13.2 872 120 13.3 870
14 40 13.3 870 80 13.3 872 120 13.3 870
16 40 13.3 869 80 13.2 871 120 13.3 870
18 --    -- 80 13.2 871 120 13.2 870
20 --    -- 80 13.2 871 120 13.2 870


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data