USGS Water-Year Summary 2024
03381495 LITTLE WABASH RIVER AT MAIN STREET AT CARMI, IL
LOCATION - Lat 38°05'32", long 88°09'22" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 NE 1/4 sec.13, T.5 S., R.9 E., White County, IL, Hydrologic Unit 05120114, at auxiliary gaging station at Main Street Bridge in Carmi, 5.0 mi downstream from Skillet Fork and at mile 33.8.
DRAINAGE AREA - 3,088 mi².
REVISIONS HISTORY - Revisions: Gage datum was changed to 339.72 ft NAVD88 on March 29, 2022, using an updated version of NGS Coordinate Conversion and Transformation Tool (NCAT).
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
   WATER TEMPERATURE: Water year 1981 (once daily), September 2015 to current.
   SPECIFIC CONDUCTANCE: Water year 1981 (once daily), September 2015 to current.
   DISSOLVED OXYGEN: September 2015 to current.
   PH: September 2015 to current.
   TURBIDITY: September 2015 to current.
   NITRATE: September 2015 to current.
   PHOSPHORUS: April 2016 to current.
GAGE - Water-stage recorder, satellite telemeter, and water-quality monitor. Datum of gage is 339.72 ft. above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD -
STAGE: Maximum gage height, 38.31 ft, May 3, 2011; minimum, 2.23 ft, Oct. 15, 2007.
WATER TEMPERATURE: Maximum, 31.4 oC, June 28, 2016; minimum, 0.3 oC, January 24, 2016.
SPECIFIC CONDUCTANCE: Maximum, 773 uS/cm at 25oC, December 16, 2015; minimum, 104 uS/cm at 25oC, January 3 and 4, 2016.
DISSOLVED OXYGEN: Maximum, 9.8 mg/L, April 11, 2016; minimum, 1.2 mg/L, September 10, 2016.
PH: Maximum, 8.2 standard units, July 3, 2016; minimum, 6.7 standard units, August 20-24, 2016.
TURBIDITY: Maximum, 2100 FNU, February 24, 2016; minimum, 0.4 FNU February 14, 2016.
NITRATE: Maximum, 4.87 mg/L, Feb. 21, 2018; minimum, 0.5 mg/L, September 12, 2015; May 3-4, 14-18, 20-21, 2018.
PHOSPHATE: Maximum, [] mg/L, [date]; minimum, [] mg/L, [date].