05536118 DATA: SW_QUAL_TBL_2003

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

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data