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USGS Water-Year Summary 2024
05536000 NORTH BRANCH CHICAGO RIVER AT NILES, IL
LOCATION - Lat 42°00'44", long 87°47'45" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 sec.30, T.41 N., R.13 E., Cook County, IL, Hydrologic Unit 07120003, on right bank at downstream side of bridge on Touhy Avenue in Niles, 3.6 mi downstream from West Fork of North Branch, 7.9 mi upstream from North Shore Channel, and at mile 51.4.
DRAINAGE AREA - 100 mi².
REVISIONS HISTORY - WDR IL-75-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1950 to current. Prior to October 1952,
records published with those for streams in the St. Lawrence River basin (WSP 1207, 1237).
STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978 to 1991. Additional chemical data for water years
1972-77 are published in Water-Resources Investigations 78-22 and 79-23 as site HCC 07.
SEDIMENT: October 1984 to September 1986.
BIOLOGICAL
ALGAE: Water years 1989-90.
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1950 to current. Prior to October 1952,
records published with those for streams in the St. Lawrence River basin (WSP 1207, 1237).
STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978 to 1991. Additional chemical data for water years
1972-77 are published in Water-Resources Investigations 78-22 and 79-23 as site HCC 07.
SEDIMENT: October 1984 to September 1986.
BIOLOGICAL
ALGAE: Water years 1989-90.
GAGE - Water-stage recorder, satellite telemeter, and crest-stage gage. Datum of gage is 601.49 ft. above NAVD of 1988.
REMARKS - Diurnal fluctuation at low flow caused by sewage-treatment plants.
Accuracy of records is discussed in the annual Station Analysis archived at the USGS IL Water Science Center.
EXTREMES FOR PERIOD OF RECORD - SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 3,340 ft³/s, September 13, 2008, gage height, 12.13 ft; minimum daily discharge, 0.10 ft³/s, September 30, 1953.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 285 mg/L July 15, 1985; minimum daily mean, 2 mg/L Jan. 23 to February 21, 1985, and January 30-31, 1986.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 566 tons July 8, 1986; minimum daily, 0.14 ton January 29, January 31 to February 4, February 6-11, 15-19, 1985.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 285 mg/L July 15, 1985; minimum daily mean, 2 mg/L Jan. 23 to February 21, 1985, and January 30-31, 1986.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 566 tons July 8, 1986; minimum daily, 0.14 ton January 29, January 31 to February 4, February 6-11, 15-19, 1985.
