Station list
05540091 SPRING BROOK AT FOREST PRESERVE NEAR WARRENVILLE, IL
LOCATION.--Lat 41�50'07", long 88�10'56", in SW¼SW¼ sec.26, T.39 N., R.9 E., Du Page County, Hydrologic Unit 07120004,
on right bank on upstream side of footbridge in Roy C. Blackwell Forest Preserve, 0.7 mi upstream from the confluence with the
West Branch Du Page River and 1 mi northwest of Warrenville.
DRAINAGE AREA.--6.83 mi2.
PERIOD OF RECORD.--October 1991 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 690.15 ft above sea level.
REMARKS.--Records good except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant 3 mi
upstream averaged about 4 ft3/s per day.