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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.
- 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.
USGS Water-Year Summary 2024
03336645 MIDDLE FORK VERMILION RIVER ABOVE OAKWOOD, IL
LOCATION - Lat 40°08'13.09", long 87°44'40.9" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 SW 1/4 sec.5, T.19 N., R.12 W., Vermilion County, IL, Hydrologic Unit 05120109, on right downstream corner of Kickapoo State Park Road bridge, 1.1 miles upstream from Interstate Hwy 74 bridge, 2.0 miles northeast of Oakwood, and at mile 31.7.
DRAINAGE AREA - 432 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1978 to current.
STAGE: Water years 1994 to current. Gage-height records for January
1972 to Nov. 8, 1978, available in files of Illinois Office of Water
Resources.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978-91.
DISSOLVED OXYGEN: Water years 2001-2003.
PH: Water years 2001-2003.
SPECIFIC CONDUCTANCE: Water years 1979, 2001-2003.
TURBIDITY: Water years 2001-2003.
WATER TEMPERATURE: Water years 1979, 2001-2003.
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1978 to current.
STAGE: Water years 1994 to current. Gage-height records for January
1972 to Nov. 8, 1978, available in files of Illinois Office of Water
Resources.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978-91.
DISSOLVED OXYGEN: Water years 2001-2003.
PH: Water years 2001-2003.
SPECIFIC CONDUCTANCE: Water years 1979, 2001-2003.
TURBIDITY: Water years 2001-2003.
WATER TEMPERATURE: Water years 1979, 2001-2003.
GAGE - Water-stage recorder, satellite telemeter, and crest-stage gage. Datum of gage is 544.18 ft above North American Vertical Datum of 1988. Prior to Jan. 14, 2006, recording gage 250 ft upstream at same datum.
REMARKS - 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, 15,500 ft³/s, Apr. 13, 1994, gage height, 20.46 ft; from floodmark, site then in use; minimum, 1.2 ft³/s, Aug. 3-4, 2012.
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 15,500 ft³/s, Apr. 13, 1994, gage height, 20.46 ft; from floodmark, site then in use; minimum, 1.2 ft³/s, Aug. 3-4, 2012.
