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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
05437641 ROCK RIVER AT AUBURN STREET AT ROCKFORD, IL
LOCATION - Lat 42°17'19.44", long 89°03'51.88" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 NE 1/4 sec.13, T.44 N., R.1 E., Winnebago County, IL, Hydrologic Unit 07090005, at bridge on Auburn St., 700 ft. downstream from Spring Creek, 2.4 mi upstream of Rockford (Fordham) Dam, and at mile 139.0.
DRAINAGE AREA - 6,528 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
STAGE: August 2002 to current.
SURFACE-WATER DISCHARGE AND STAGE
STAGE: August 2002 to current.
GAGE - Water-stage recorder and phone telemeter. Datum of gage is 699.72 ft. above North American Vertical Datum of 1988.
REMARKS - Stages regulated by power plant 17.4 mi. upstream of gage and by the operation of Fordham Dam 2.4 mi. downstream of gage.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 7.43 ft., March 17 and 18, 2019; minimum, 1.18 ft., January 9, 2020.
