LOCATION.-- Lat 41°58'17", long 88°16'33" (NAD of 1983) in NE1/4NW1/4 sec.12, T.40 N., R.8 E., Kane County, Hydrologic Unit 07120007, on left bank at downstream side of footbridge on YWCA Camp Tu-Endie-Wei, 0.9 mi east of Valley View, 2.5 mi southeast of South Elgin and at mile 1.1.

DRAINAGE AREA.-- 13.88 mi².

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

STAGE: May 2002 to current year.

PARTIAL RECORD: Miscellaneous discharge measurements, water years 2003, 2004.

SURFACE-WATER QUALITY

SEDIMENT: June 2002 to current year.

MISCELLANEOUS: Sediment concentration and particle size, water years, 2002-03.

GAGE.-- Water-stage recorder, and automatic water sampler. Datum of gage is 700.00 ft above NAVD of 1988.

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum gage height, 22.48 ft, May 12 2002; minimum, 19.13 ft, Sept. 26, 2004.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 421 mg/L, Mar. 29, 2004; minimum daily, 10 mg/L, Oct. 25-26, 2003.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 62 tons, Mar. 29, 2004; minimum daily, 0.06 tons, Oct. 26, 2003, and Sept. 25-26, 2004.