Station list
05533000 FLAG CREEK NEAR WILLOW SPRINGS, IL
LOCATION.--Lat 41°44'20", long 87°53'48", in SE¼NE¼ sec.31, T.38 N., R.12 E., Cook County, Hydrologic Unit 07120004,
on left bank at upstream side of bridge on German Church Road, 1.1 mi northwest of Willow Springs, and at mile 2.2.
PERIOD OF RECORD.--July 1951 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 606.36 ft above sea level. Prior to June 17, 1963, water-stage
recorder at same site at datum 3.73 ft higher. June 17, 1963, to June 26, 1964, nonrecording gage at site 0.5 mi upstream at datum
4.82 ft higher.