LOCATION.-- Lat 41°57'51", long 87°59'02" (NAD of 1927), in SW1/4SE1/4 sec.9, T.40 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on downstream side of bridge on Irving Park Road and at mile 27.6. | |
DRAINAGE AREA.-- 74.7 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
STAGE: October 1999 to current year. | |
PARTIAL RECORD: Discharge measurements, water year 2000. | |
GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 663.00 ft above NGVD of 1929. | |
REMARKS.--Some regulation by sewage-treatment plants in upstream watershed. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
STAGE: Maximum gage height, 14.15 ft, Oct. 14, 2001; minimum, 5.88, July 1, 2001. | |