USGS Water-Year Summary for Site 05533600

Click to hide Water-Year Summary instructions and information

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.
For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
Not all sites have reports available for every water year.

	Available Parameters
	00060 Discharge(Mean)
	00065 Gage height(Mean)

Select a water year

Water year 2023: 2022-10-01 to 2023-09-30

Print this page

USGS Water-Year Summary 2023

05533600 DES PLAINES RIVER NEAR LEMONT, IL

LOCATION - Lat 41°40'20.6", long 88°01'42.7" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 SE 1/4 sec.24, T.37 N., R.10 E., Will County, IL, Hydrologic Unit 07120004, on left downstream side of Centennial Trail pedestrian bridge in Will County Forest Preserve, 200 feet downstream from Interstate Highway 355, 1.4 miles west of Lemont, and at mile 26.6.

DRAINAGE AREA - 690.1 mi².

REVISIONS HISTORY - Revisions: Gage datum was updated to 578.79 ft NAVD88 on June 6, 2023, based on a GNSS Level II survey using GEOID18.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
  DISCHARGE: November 2010 to current.
  STAGE: November 2010 to current.
SURFACE WATER QUALITY
  WATER TEMPERATURE: May 2011 to Nov. 2011 (discontinued).
  SPECIFIC CONDUCTANCE: May 2011 to Nov. 2011 (discontinued).
  DISSOLVED OXYGEN: May 2011 to Nov. 2011 (discontinued).
  TURBIDITY: May 2011 to Nov. 2011 (discontinued).

GAGE - Water-stage recorder and satellite telemeter. Datum of gage is 578.79 ft. above NAVD of 1988.

REMARKS - During periods of extreme high flows, the river will overflow into the Chicago Sanitary and Ship Canal upstream from the gage. Accuracy of records is discussed in the annual Station Analysis archived at the USGS IL Water Science Center.

EXTREMES FOR PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 10,800 ft³/s, May 18, 2020, gage height, 13.24 ft; minimum, 132 ft³/s, gage height, 4.88 ft, Sept. 15, 2013; minimum gage height, 4.83 ft, July 10-13, 2012.
WATER TEMPERATURE: Maximum recorded water temperature, 34.3 oC, July 21, 2011; minimum recorded, 4.9 oC, November 18-19, 2011.
SPECIFIC CONDUCTANCE: Maximum recorded specific conductance, 1,280 uS/cm@25oC, July 6, 2011; minimum recorded, 355 uS/cm@25oC, July 24, 2011.
DISSOLVED OXYGEN: Maximum recorded dissolved oxygen, 27.6 mg/L, June 30, 2011; minimum recorded, 3.4 mg/L, July 23, 2011.
TURBIDITY: Maximum recorded turbidity, 200 FNU, July 23, 2011; minimum recorded, 0.9 FNU, August 6, 2011.