05568500 DATA: Discharge Tables, 2002

Station list Available data
ILLINOIS RIVER BASIN

05568500 ILLINOIS RIVER AT KINGSTON MINES, IL


LOCATION.-- Lat 40°33'11", long 89°46'38" (NAD of 1927), in SE1/4SE1/4 sec.26, T.7 N., R.6 E., Peoria County, Hydrologic Unit 07130003, on right bank at Kingston Mines, 2.3 mi downstream from Mackinaw River, and at mile 145.4.

DRAINAGE AREA.-- 15,818 mi², does not include diversion from Lake Michigan through the Chicago Sanitary and Ship Canal, which has occurred since Jan. 17, 1900.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1939 to current year.
	STAGE: Water years 1994-2002.
SURFACE-WATER QUALITY
	WATER TEMPERATURE: Water years 1975-77.
	MISCELLANEOUS: Contaminants in streambed sediments, October 1996; contaminants in fish tissue, October 1996.

REVISED RECORDS.-- WSP 1558: 1957. WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and rain gage at site and at auxiliary site 8.0 mi downstream, and crest-stage gage. Datum of gage is 428.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Oct. 1, 1940, nonrecording gage at same site at datum 1.65 ft higher. Oct. 1, 1940, to Mar. 31, 1942, nonrecording gage at present site and datum. Auxiliary water-stage recorder at mouth of Copperas Creek, 8.0 mi downstream. During Oct. 30, 1967 to Nov. 9, 1999, auxiliary water-stage recorder 0.6 mi downstream from mouth of Copperas Creek, 8.6 mi downstream.

REMARKS.-- Occasional regulation at low flow by navigation dams at Peoria and La Grange. Since Jan. 17, 1900, flow has included diversion from Lake Michigan through Chicago Sanitary and Ship Canal.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 88,800 ft³/s, Dec. 7, 1982, gage height, 23.86 ft; maximum gage height, 26.02 ft, May 25, 1943; minimum daily discharge, 600 ft³/s, Oct. 26, 1997, estimated, caused by dam regulation.

REMARKS FOR CURRENT YEAR.-- Records poor.

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	8460	31400	12600	e7500	13200	21900	18500	35900	31800	18300	6070	e7700
2	7060	31500	13800	e7400	21600	21000	19000	36800	30600	17100	6630	e6400
3	6570	30300	14400	e8000	26400	20100	19800	36300	28500	e14500	6450	e7600
4	6790	29200	14800	e7600	26800	18400	21400	36400	30000	e12000	6380	e9200
5	7810	28700	14300	e7200	25900	19000	22800	36100	33500	e10000	6360	e7800

6	9150	27000	14600	6720	25900	19200	23600	35800	36900	e8800	6720	e6800
7	9280	26100	15800	8060	25500	20000	23200	36900	36900	e7800	7180	e6200
8	8810	25400	15800	7210	24200	18800	24500	35900	36100	6010	7060	5700
9	7940	23500	14600	6300	22400	21500	26500	35300	34900	8280	6780	4990
10	7050	22900	13900	7580	23000	28000	28200	34900	32300	10000	6700	4870

11	9300	22200	13200	9600	21100	31600	31100	36500	34400	12100	6320	5160
12	12500	20300	11500	10200	22000	33600	33700	40300	33700	11700	5860	4640
13	13400	18600	10600	8990	22500	33000	34800	50700	35800	11100	5900	4540
14	17300	13800	e10300	8390	20100	32100	34200	58400	27800	9270	6230	5040
15	27900	e14000	e12000	8350	21200	32700	33200	67100	25800	e8000	6260	5010

16	33700	e12000	e12500	7860	21300	30700	31700	68200	23800	e7000	6680	4870
17	35000	e10500	e13200	7870	20700	28100	31900	61700	21100	5840	7050	4900
18	34300	8930	14100	6640	17900	27300	31800	56700	17400	6410	7690	4540
19	34800	9820	17400	6130	17800	26100	33400	54100	17200	6760	8600	5450
20	33800	11300	24400	e6000	18500	25800	33000	50900	15700	6030	9420	6600

21	33100	9940	22800	e6700	20400	25100	32000	46300	12700	5720	8840	6770
22	31800	9930	20200	e7500	21700	23300	31400	41600	11600	6080	10200	6930
23	29200	9730	20200	e8400	21600	21700	30400	44200	11600	5950	15500	9890
24	27900	9020	20200	7500	21700	22000	29600	45300	12000	5750	22800	8800
25	28700	9100	19300	6340	24000	22800	29700	42100	14400	5230	25800	6860

26	30900	14000	16200	e6000	24400	20300	30100	40300	16600	7320	24800	4880
27	32800	13900	e14000	e7400	23300	19000	29900	39600	18700	6920	23900	4390
28	33200	12800	e13000	e6400	22000	18200	31300	37300	20300	6180	22800	4880
29	34000	13100	e11600	7600	---	18600	32700	35400	20900	7080	15800	4810
30	35100	13900	e10400	9740	---	18100	34900	34000	18600	5640	e14000	4780

31	33300	---	8690	11600	---	18200	---	33700	---	6100	e10000	---

TOTAL	680920	532870	460390	238780	617100	736200	868300	1344700	741600	264970	330780	181000
MEAN	21970	17760	14850	7703	22040	23750	28940	43380	24720	8547	10670	6033
MAX	35100	31500	24400	11600	26800	33600	34900	68200	36900	18300	25800	9890
MIN	6570	8930	8690	6000	13200	18100	18500	33700	11600	5230	5860	4390

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2002, BY WATER YEAR (WY)
MEAN	9611	11190	13360	14140	17210	23570	25430	23550	19110	13560	9763	9103
MAX	33180	37100	52390	44480	40470	56190	55630	52180	46230	46130	28440	34620
(WY)	1987	1986	1983	1993	1974	1979	1983	1943	1974	1993	1993	1993
MIN	3362	4101	4598	3747	3421	7000	7928	7822	5579	4474	5038	4027
(WY)	1964	2000	1944	1963	1963	1964	1940	1989	1977	1965	1944	1963

SUMMARY STATISTICS	FOR 2001 CALENDAR YEAR		FOR 2002 WATER YEAR		WATER YEARS 1940 - 2002
ANNUAL TOTAL	6231350		6997610
ANNUAL MEAN	17070		19170		15780
HIGHEST ANNUAL MEAN					32200	1993
LOWEST ANNUAL MEAN					6820	1964
HIGHEST DAILY MEAN	47600	Feb 28	68200	May 16	86700	Dec 7 1982
LOWEST DAILY MEAN	4300 A	Jan 9-11	4390	Sep 27	600 B	Oct 26 1997
ANNUAL SEVEN-DAY MINIMUM	4360	Jan 6	4790	Sep 12	2060	Oct 8 1964
MAXIMUM PEAK FLOW			69900 C	May 16	88800 D	Dec 7 1982
MAXIMUM PEAK STAGE			23.91 E	May 19	26.02	May 25 1943
10 PERCENT EXCEEDS	33000		34900		32400
50 PERCENT EXCEEDS	13900		17400		11000
90 PERCENT EXCEEDS	6090		6250		5260

	A-Estimated due to backwater from ice.
	B-Estimated, caused by dam regulation.
	C-Gage height, 22.51 ft.
	D-Gage height, 23.86 ft.
	E-Discharge, 54,500 ft³/s.