Station list
05536215 THORN CREEK AT GLENWOOD, IL
LOCATION.--Lat 41�31'50", long 87�36'20", in SW¼SE¼ sec.9, T.35 N., R.14 E., Cook County, Hydrologic Unit 07120003, on
right bank 20 ft downstream from abandoned Baltimore and Ohio Chicago Terminal Railroad bridge, 0.7 mi north of Chicago
Heights, 0.8 mi south of Glenwood, 1.0 mi upstream from Deer Creek, and at mile 9.2.
DRAINAGE AREA.--24.7 mi2.
PERIOD OF RECORD.--May 1949 to current year. Prior to October 1974, records published with those for streams in the
St. Lawrence River basin (WSP 1307, 1727, 1911, 2111, WDR IL 1971-74).
REVISED RECORDS.--WSP 1437: 1955. WDR IL-75-1: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 610.97 ft above sea level.
REMARKS.--Records good except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant
upstream averaged 24.9 ft3/s and consists of publicly supplied water from Lake Michigan and ground-water sources. The
maximum monthly effluent was 42.0 ft3/s in March, and the minimum was 17.2 ft3/s in October.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Apr. 1947, reached a stage of 12.94 ft, from floodmarks, discharge not
determined.