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LOCATION.-- Lat 38°15'14", long 89°02'26" (NAD of 1983), in NE1/4NE1/4 sec.24, T.3 S., R.1 E., Jefferson County, Hydrologic Unit 07140106, at bridge on County Highway 9, 1.2 mi downstream from Knob Creek, 2.4 mi downstream from Novak Creek, 3.0 mi north of Waltonville, and at mile 6.7. |
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DRAINAGE AREA.-- 88.0 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: September 1979 to current year. |
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STAGE: Water years 1997 to current year. Gage-height record for Feb. 10, 1965 to Sept. 30, 1979 available in files of U.S. Army Corps of Engineers, October 1980 to September 1994 (8 AM gage heights). |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1978-91. |
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DISSOLVED OXYGEN: Water years 2001-2003. |
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SPECIFIC CONDUCTANCE: Water years 2001-2003. |
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TURBIDITY: Water years 2001-2003. |
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WATER TEMPERATURE: Water years 2001-2003. |
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REVISED RECORDS.-- WDR IL-94-1: 1982-90. |
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GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gages. Datum of gage is 412.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers) (411.64 ft NAVD 1988). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 21,200 ft3/s, Nov. 14, 1993, gage height, 17.73 ft; no flow at times in most years. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |