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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2024
05539670 DES PLAINES RIVER AT CHANNAHON, IL
LOCATION - Lat 41°24'52", long 88°12'52" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 NE 1/4 sec.20, T.34 N., R.9 E., Will County, IL, Hydrologic Unit 07120004, at island in center of channel 0.2 miles east of mouth of DuPage River, 1.1 miles west of Interstate 55, 1.3 miles southeast of Channahon, and at mile 4.0.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
SURFACE WATER DISCHARGE AND STAGE
DISCHARGE: November 1914
PARTIAL RECORD: Annual maximum stages, water years 1966-70.
SURFACE WATER QUALITY
WATER TEMPERATURE: April 1973 to September 1977 and September 2012 to current.
SPECIFIC CONDUCTANCE: January 2017 to current.
INSTRUMENTATION - Water-temperature sensor and satellite telemeter. Prior to September 2012, at site 1.2 miles upstream and datum of 505.49 ft. above NGVD of 1929.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IL Water Science Center.
EXTREMES FOR PERIOD OF RECORD -
STAGE: Maximum gage height, 2.07 ft, May 12, 1966.
WATER TEMPERATURE: Maximum, 34.0 °C, Aug. 13, 18, 1973; minimum, -0.4 °C, Jan. 12, 2018*.
SPECIFIC CONDUCTANCE: Maximum, 3170 µS/cm, Feb. 10, 2021*; minimum, 373 µS/cm, Oct. 15, 2017*.
* Multiple occurrences of the same extreme in selected dataset.
Extremes date/time determined from un-rounded values
