USGS Water-Year Summary 2024
05536137 CHICAGO SANITARY & SHIP CANAL AT WESTERN AVE AT CHICAGO, IL
LOCATION - Lat 41°50'13.9", long 87°41'07.5" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 NE 1/4 sec.36, T.39 N., R.13 E., Cook County, IL, Hydrologic Unit 07120003,
DRAINAGE AREA - The drainage area is not determined because of direct diversions from Lake Michigan.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE WATER STAGE: November 2014 to current.
SURFACE-WATER QUALITY
WATER TEMPERATURE: January 2015 to current.
SPECIFIC CONDUCTANCE: January 2015 to current.
GAGE - Water-stage recorder, satellite telemeter, and water-quality monitor.
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).
COOPERATION - The gage is operated in cooperation with The US Army Corp of Engineers Chicago District and with permission from MWRDGC.
EXTREMES FOR PERIOD OF RECORD -
SURFACE-WATER STAGE: Maximum, 5.26 ft., May 17, 2020; minimum, -3.90 ft., June 25, 2015.
WATER TEMPERATURE:
Top:
2021 WY: 27 August 2021* 13:20 CST 27.4 C
Middle:
2021 WY: 27 August 2021* 13:20 CST 29.8 C
Bottom:
2021 WY: 28 August 2021* 14:10 CST 27.3 C
* The first occurrence of multiple maximum values for the water year.
SPECIFIC CONDUCTANCE: