05561500 DATA: Discharge Tables, 2002

Station list Available data
ILLINOIS RIVER BASIN


LOCATION.-- Lat 40°40'38", long 89°31'52" (NAD of 1927), in SW1/4SE1/4 sec.26, T.26 N., R.4 W., Tazewell County, Hydrologic Unit 07130001, on left bank at upstream side of bridge on State Highway 8, 0.2 mi upstream from Railroad bridge, 3 mi northeast of East Peoria, and at mile 0.4.

DRAINAGE AREA.-- 5.54 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: January 1948 to October 1985. Seven-month daily discharges (March to September), March 1986 to current.
	STAGE: Water years 1994-2002.
	PARTIAL RECORD: Miscellaneous discharge measurements, water years 1986-99.

REVISED RECORDS.-- WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder and concrete control. Datum of gage is 505.00 ft above NGVD of 1929 (U.S. Army Corps of Engineers bench mark). Prior to Aug. 5, 1948, nonrecording gage at same site and datum.

REMARKS.-- High flow regulated by Fondulac Dam, 0.5 mi upstream effective Sept. 7, 1949.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 560 ft³/s, Mar. 3, 1979, gage height, 4.66 ft, from rating curve extended above 170 ft³/s; no flow for many days in most years.

REMARKS FOR CURRENT YEAR.-- Records good.

DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	0.00	---	---	---	---	---	1.8	8.3	0.92	0.00	0.00	0.00
2	0.00	---	---	---	---	---	2.4	8.3	0.79	0.00	0.00	0.00
3	0.00	---	---	---	---	---	1.6	4.9	0.65	0.00	0.00	0.00
4	---	---	---	---	---	---	1.4	3.7	6.2	0.00	0.00	0.00
5	---	---	---	---	---	5.5	1.4	3.4	4.0	0.00	0.00	0.00

6	---	---	---	---	---	16	1.2	4.0	1.4	0.00	0.00	0.00
7	---	---	---	---	---	14	4.3	2.5	0.87	0.00	0.00	0.00
8	---	---	---	---	---	17	38	3.1	0.57	0.00	0.00	0.00
9	---	---	---	---	---	33	29	43	0.38	0.00	0.00	0.00
10	---	---	---	---	---	11	13	8.0	0.30	0.00	0.00	0.00

11	---	---	---	---	---	7.1	9.1	75	9.8	0.00	0.00	0.00
12	---	---	---	---	---	5.5	7.4	165	5.3	0.00	0.00	0.00
13	---	---	---	---	---	4.6	5.5	143	77	0.00	0.00	0.00
14	---	---	---	---	---	3.7	4.6	26	24	0.00	0.00	0.00
15	---	---	---	---	---	3.0	3.8	11	7.5	0.00	0.00	0.00

16	---	---	---	---	---	2.3	3.1	12	3.9	0.00	0.00	0.00
17	---	---	---	---	---	2.2	2.5	15	2.3	0.00	0.00	0.00
18	---	---	---	---	---	1.8	2.3	15	1.5	0.00	0.00	0.00
19	---	---	---	---	---	1.7	1.9	8.4	0.98	0.00	10	0.00
20	---	---	---	---	---	2.1	1.7	5.7	0.73	0.00	0.08	0.00

21	---	---	---	---	---	1.3	10	4.3	0.41	0.00	0.00	0.00
22	---	---	---	---	---	1.2	4.2	3.5	0.29	0.00	0.00	0.00
23	---	---	---	---	---	1.3	3.0	5.0	0.20	0.00	37	0.00
24	---	---	---	---	---	1.3	16	20	0.12	0.00	1.6	0.00
25	---	---	---	---	---	1.5	10	6.0	0.10	0.00	0.17	0.00

26	---	---	---	---	---	1.8	5.5	4.1	0.39	0.00	0.00	0.00
27	---	---	---	---	---	1.8	53	3.0	0.17	2.4	0.00	0.00
28	---	---	---	---	---	2.1	45	2.6	0.05	0.92	0.00	0.00
29	---	---	---	---	---	3.5	12	2.1	0.00	1.6	0.00	0.00
30	---	---	---	---	---	2.5	7.8	1.7	0.00	0.11	0.00	0.00

31	---	---	---	---	---	2.0	---	1.3	---	0.00	0.00	---