LOCATION.-- Lat 42°10'30", long 87°58'14" (NAD of 1983), in NW1/4 SE1/4 sec.29, T.43N., R.11E., Lake County, Hydrologic Unit 07120004, on left bank 0.3 mi upstream of Green Lake Park Lake, in northwest Buffalo Grove, and at mile 1.7.

DRAINAGE AREA.-- 0.06 mi².

PERIOD OF RECORD.--

SURFACE WATER DISCHARGE AND STAGE

DISCHARGE: April 1991 to July 1995.

GAGE.-- Water-stage recorder and crest-stage gage. Datum of gage is 682 ft above NGVD of 1929 (682 ft NAVD 1988), from topographic map.

REMARKS.-- Site operated as a Hydrologic Response Unit for watershed modeling.

EXTREMES FOR PERIOD OF RECORD.--

SURFACE WATER DISCHARGE AND STAGE: Maximum discharge, 20 ft³/s, June 30, 1993, gage height, 3.46 ft; no flow for many days in most years.