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USGS Water-Year Summary 2024
05536123 CHICAGO RIVER AT COLUMBUS DRIVE AT CHICAGO, IL
LOCATION - Lat 41°53'18", long 87°37'16" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 SW 1/4 sec.10, T.39 N., R.14 E., Cook County, IL, Hydrologic Unit 07120003, on left downstream side of bridge within the Columbus Drive bridge structure in Chicago, 0.5 mi downstream from Chicago River Lock and Dam.
DRAINAGE AREA - Indeterminate.
REVISIONS HISTORY - WDR-US-2008 and SIR 2006-5018: 1997-1999.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1996 to September 2006 (discontinued).
STAGE:October 1998 to current.
SURFACE-WATER QUALITY
WATER TEMPERATURE: October 2007 to September 2010.
SPECIFIC CONDUCTANCE: October 2007 to September 2010.
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1996 to September 2006 (discontinued).
STAGE:October 1998 to current.
SURFACE-WATER QUALITY
WATER TEMPERATURE: October 2007 to September 2010.
SPECIFIC CONDUCTANCE: October 2007 to September 2010.
GAGE - Water-stage recorder and phone telemeter. Datum of gage is 579.20 ft above North American Vertical Datum of 1988 and 0.00 ft Chicago City Datum (579.48 ft NGVD29).
REMARKS - Stages regulated by Chicago Sanitary and Ship Canal Lockport Lock and Dam and Controlling Works about 35 miles downstream from gage.
EXTREMES FOR PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE: Maximum daily discharge, 1,370 ft³/s, Aug. 6, 1997, minimum daily discharge, -2,450 ft³/s, Feb. 21, 1997, due to regulation. Maximum stage, 4.72 ft, July 24, 2010; minimum stage, -4.52 ft, Mar. 14, 2011, due to regulation.
WATER TEMPERATURE: Maximum, 30.0oC, Sept. 1-4, 8, 2009; minimum, 0.0oC, most years.
SPECIFIC CONDUCTANCE: Maximum, 3,750 uS/cm at 25oC, Feb. 6, 9, 2008; minimum, 206 uS/cm at 25oC, Aug. 26, 2009.
SURFACE-WATER DISCHARGE AND STAGE: Maximum daily discharge, 1,370 ft³/s, Aug. 6, 1997, minimum daily discharge, -2,450 ft³/s, Feb. 21, 1997, due to regulation. Maximum stage, 4.72 ft, July 24, 2010; minimum stage, -4.52 ft, Mar. 14, 2011, due to regulation.
WATER TEMPERATURE: Maximum, 30.0oC, Sept. 1-4, 8, 2009; minimum, 0.0oC, most years.
SPECIFIC CONDUCTANCE: Maximum, 3,750 uS/cm at 25oC, Feb. 6, 9, 2008; minimum, 206 uS/cm at 25oC, Aug. 26, 2009.
