05559600 DATA: Sediment Tables, 2005

Station list Available data
ILLINOIS RIVER BASIN


LOCATION.-- Lat 40°55'45", long 89°27'42" (NAD of 1927), in NW1/4 sec.22, T.11 N., R.9 W., Peoria County, Hydrologic Unit 07130001, at center of Atchison, Topeka and Sante Fe Railroad bridge, 1 mi north of Chillicothe and at mile 181.9.

DRAINAGE AREA.-- Not determined.

PERIOD OF RECORD.--
SURFACE-WATER QUALITY
	SEDIMENT: May 1993 to November 1993, water years 1994 to 2000 (March to December), March 2001 to current year.
	MISCELLANEOUS: Sediment concentration and particle size, water years 1996-99, 2002-05.

REMARKS.-- Water discharge used to compute sediment record are from Illinois River at Henry (station 05558300). Suspended-sediment samples were collected by a local observer twice weekly with additional samples colleced during high runoff periods. Samples were not collected (and data are not published) during periods of ice.

EXTREMES FOR PERIOD OF RECORD.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 554 mg/L, Aug. 29, 2004; minimum daily, 14 mg/L, Mar. 14, 2005.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 93,800 tons, July 20, 1996; minimum daily, 140 tons, Oct. 30, 2002.

EXTREMES FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 182 mg/L, Nov. 5; minimum daily, 14 mg/L, March 14.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 15,300 tons, Dec. 9; minimum daily, 214 tons, July 16.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
		MEAN			MEAN			MEAN
	MEAN	CONCEN-	SEDIMENT	MEAN	CONCEN-	SEDIMENT	MEAN	CONCEN-	SEDIMENT
	DISCHARGE	TRATION	DISCHARGE	DISCHARGE	TRATION	DISCHARGE	DISCHARGE	TRATION	DISCHARGE
DAY	(CFS)	(MG/L)	(TONS/DAY)	(CFS)	(MG/L)	(TONS/DAY)	(CFS)	(MG/L)	(TONS/DAY)

	OCTOBER			NOVEMBER			DECEMBER

1	3400	58	508	6460	53	920	27100	176	12900
2	5040	51	708	11700	90	2880	29600	61	4870
3	4050	43	472	14200	129	4980	29500	34	2730
4	4380	36	429	18000	160	7790	29000	34	2690
5	4000	36	349	20000	182	9830	28200	35	2650

6	4180	43	488	21400	165	9560	26400	35	2460
7	3770	32	324	20400	141	7790	27800	52	3950
8	4150	44	492	17700	118	5650	34000	126	11700
9	4750	37	481	14200	103	3980	39900	143	15300
10	4780	43	558	13500	89	3250	43100	108	12600

11	4990	48	653	13900	75	2840	39400	96	10200
12	4490	38	460	10600	61	1760	36000	96	9320
13	5490	46	688	10100	48	1290	34400	95	8820
14	4460	40	486	8380	34	781	27600	63	4720
15	5100	50	684	7730	34	702	22400	54	3280

16	4290	44	512	6740	37	670	24600	53	3520
17	5550	48	720	6800	40	732	21400	58	3330
18	4690	51	644	6500	43	748	21000	63	3570
19	4370	52	615	7480	43	868	19200	63	3290
20	3850	46	480	8220	43	948	13100	63	2230

21	3840	38	399	9690	39	1010	17100	61	2790
22	4240	31	354	8900	36	858	14500	41	1610
23	5690	48	771	10200	34	944	8340	30	676
24	7140	45	876	9260	40	996	e8000	23	494
25	6930	44	829	8670	49	1150	e7700	19	406

26	6530	46	804	10200	60	1640	e7300	20	401
27	7180	46	899	11900	64	2070	e7000	22	407
28	6430	47	810	e20000	79	4240	e7200	23	442
29	4490	43	527	27500	95	6970	e7800	24	503
30	6550	39	695	28000	105	7970	e8500	25	576

31	7270	43	840	---	---	---	e10000	26	708

TOTAL	156070	---	18555	388330	---	95817	677140	---	133143