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; 2005.

GAGE.-- Water-stage recorder, and automatic water sampler. Datum of gage is 700.00 ft above NAVD of 1988 (700.25 ft NGVD 1929).

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum gage height, 22.48 ft, May 12, 2002; minimum, 18.53 ft, Sept. 19, 2005.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 421 mg/L, Mar. 29, 2004; minimum daily, 0 mg/L, on many days during July to Sept. 2005.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 62 tons, Mar. 29, 2004; minimum daily, 0 tons, on many days during July to Sept. 2005.