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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.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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USGS Water-Year Summary 2024
05551700 BLACKBERRY CREEK NEAR YORKVILLE, IL
LOCATION - Lat 41°40'18.74", long 88°26'29.35" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.21, T.37 N., R.7 E., Kendall County, IL, Hydrologic Unit 07120007, on right bank 300 ft upstream from bridge on State Highway 47, 2.0 mi north of Yorkville, and at mile 3.3.
DRAINAGE AREA - 70.2 mi².
REVISIONS HISTORY - WDR IL-75-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1960 to current.
STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978-91.
BIOLOGICAL
ALGAE: Water year 1990.
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1960 to current.
STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978-91.
BIOLOGICAL
ALGAE: Water year 1990.
GAGE - Water-stage recorder, satellite telemeter, and crest-stage gage. Datum of gage is 611.99 ft. above NAVD of 1988.
REMARKS - Diversion about 7 miles upstream near Jericho Rd. that crosses the watershed divide during overbank flow.
Accuracy of records is discussed in the annual Station Analysis archived at the USGS Central Midwest Water Science Center.
EXTREMES FOR PERIOD OF RECORD - SURFACE -WATER DISCHARGE AND STAGE: Maximum discharge, 5,510 ft³/s, from rating curve extended above 3,900 ft³/s, July 18, 1996, gage height, 13.16 ft, backwater from debris jam; minimum, 0.10 ft³/s, Dec. 7, 1962, result of freeze up.
