05559600 DATA: Sediment Tables, 1998

ILLINOIS RIVER BASIN

05559600 ILLINOIS RIVER AT CHILLICOTHE, IL

LOCATION.--Lat 40°55'45", long 89°27'42", 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.--May 1993 to current year.

PERIOD OF DAILY RECORD.--
SUSPENDED SEDIMENT: May 1993 to current year.

REMARKS.--Records of discharge are given for Illinois River at Henry (station 05558300). Suspended-sediment samples were collected by a local observer once weekly with additional samples collected during high runoff periods. Samples were not collected (and data are not published) during periods of ice.

EXTREMES FOR PERIOD OF DAILY RECORD.--
SEDIMENT CONCENTRATIONS: Maximum daily, 491 mg/L, July 20, 1996; minimum daily, 16 mg/L, Mar. 7, 1998.
SEDIMENT LOADS: Maximum daily, 93,800 tons, July 20, 1996; minimum daily, 177 tons, Oct. 5, 1997.

EXTREMES FOR CURRENT YEAR.--
SEDIMENT CONCENTRATIONS: Maximum daily, 204 mg/L, June 13; minimum daily, 16 mg/L, Mar. 7.
SEDIMENT LOADS: Maximum daily, 24,800 tons, Mar. 20; minimum daily, 177 tons, Oct. 5.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
		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	6260	38	568	7600	31	678	9600	46	1180
2	3580	28	260	7150	34	631	8740	42	988
3	4510	22	236	7040	36	682	9390	37	940
4	4900	22	305	6890	32	585	8960	33	818
5	3270	23	177	6720	38	697	8280	30	651

6	e3500	27	259	6870	41	766	8510	30	673
7	e5600	33	499	6690	39	721	7950	30	629
8	7070	34	564	6810	33	628	7330	31	619
9	6550	35	646	6340	28	483	6610	28	501
10	5880	41	635	6710	24	422	7890	24	524

11	5680	48	722	6030	24	401	8720	21	519
12	3600	56	635	5270	25	353	8080	19	418
13	5870	58	913	5690	26	386	8050	20	437
14	6050	57	931	5350	26	383	7670	21	434
15	4690	50	690	6200	26	442	6750	23	409

16	5510	44	611	6040	27	435	7200	33	661
17	4830	42	531	4790	27	358	6880	29	533
18	5070	43	591	5860	26	419	6410	23	413
19	4620	43	537	5080	26	365	6670	24	456
20	5170	43	592	5230	25	368	7410	27	535

21	5690	44	679	5670	24	373	7510	29	590
22	4910	42	558	5370	23	347	6010	28	438
23	4210	41	494	5330	23	326	7710	25	541
24	5790	42	633	4360	23	248	7980	23	484
25	5660	45	636	4700	24	316	9110	20	513

26	5560	48	723	6140	31	535	10600	18	518
27	7230	46	892	4810	43	579	11800	17	547
28	9090	42	1020	7390	57	1190	10300	23	640
29	7210	34	633	8730	57	1350	11300	30	896
30	e5000	29	391	11300	51	1570	10500	35	974

31	6590	28	480	---	---	---	9690	39	997

TOTAL	169150	---	18041	188160	---	17037	259610	---	19476


	JANUARY			FEBRUARY			MARCH

1	6580	---	---	14800	---	---	19000	26	1330
2	7400	---	---	16500	---	---	18300	26	1280
3	9680	---	---	19100	---	---	17800	25	1210
4	12700	---	---	21300	---	---	17200	25	1150
5	19200	---	---	20000	---	---	16300	24	1030

6	24200	---	---	18700	---	---	15600	19	816
7	28900	---	---	17700	---	---	15700	16	681
8	30500	---	---	16700	---	---	16500	20	895
9	32400	---	---	16500	---	---	21000	37	2160
10	37100	---	---	15700	---	---	25300	53	3720

11	36100	---	---	17100	---	---	28900	62	4820
12	34600	---	---	23400	---	---	27900	73	5480
13	e31500	---	---	26300	---	---	26800	68	5000
14	e29500	---	---	25700	---	---	27900	65	4860
15	e27000	---	---	23900	---	---	25800	53	3680

16	e25000	---	---	23300	---	---	25000	44	2940
17	e23000	---	---	22600	---	---	24700	49	3330
18	e22000	---	---	22400	---	---	34800	75	7250
19	e20500	---	---	24200	---	---	53300	91	13800
20	e19500	---	---	24700	---	---	66900	137	24800

21	18400	---	---	23400	---	---	62800	90	15200
22	17000	---	---	22600	---	---	58700	74	11700
23	e16000	---	---	21500	---	---	58100	54	8520
24	e15200	---	---	20500	---	---	53900	46	6760
25	e14700	---	---	19100	---	---	48500	38	4970

26	e14300	---	---	18600	---	---	43600	38	4480
27	e14000	---	---	18200	---	---	40100	37	4060
28	13400	---	---	19600	---	---	41900	38	4330
29	13700	---	---	---	---	---	35200	36	3360
30	13700	---	---	---	---	---	34200	32	3000

31	13900	---	---	---	---	---	34900	36	3410

TOTAL	641660	---	---	574100	---	---	1036600	---	160022


	APRIL			MAY			JUNE

1	36800	40	3940	23500	45	2880	12700	71	2310
2	40800	43	4710	26100	92	6560	13800	79	2970
3	40200	48	5150	25700	170	11800	12300	87	2850
4	35900	45	4290	24400	166	10900	11900	87	2790
5	32700	41	3620	23400	107	6800	11500	85	2620

6	30500	31	2580	25300	62	4300	11200	83	2560
7	28300	28	2150	30900	48	4270	11400	81	2460
8	27700	33	2500	53700	75	11600	10200	80	2280
9	32900	45	4020	80800	72	15900	12600	94	3200
10	33900	41	3710	85900	61	14100	13600	117	4360

11	32700	37	3230	74100	48	9570	20300	146	8430
12	28900	34	2660	61900	38	6350	29000	182	14600
13	31200	31	2610	57100	40	6090	35900	204	20000
14	30700	29	2370	51900	36	5050	37900	151	15500
15	28300	24	1850	45200	33	3970	34600	112	10400

16	28500	24	1890	e42500	38	4490	31500	112	9430
17	27600	25	1840	e38500	46	4830	31200	68	5730
18	27500	25	1840	e35000	47	4410	29000	82	6390
19	27200	25	1850	e32000	40	3380	30100	92	7470
20	26100	26	1860	28300	36	2690	29300	64	4980

21	26500	33	2380	25600	40	2790	28400	48	3630
22	28000	34	2530	23100	46	2780	25400	38	2590
23	27900	32	2440	20700	47	2540	23200	36	2260
24	27500	34	2540	18500	46	2350	20000	38	2060
25	25700	37	2590	19600	46	2440	18300	48	2390

26	26100	43	3030	17600	51	2420	18700	64	3190
27	25500	49	3320	16600	57	2580	18500	85	4300
28	23200	50	3090	15300	56	2290	19100	114	5910
29	22400	49	2930	16100	55	2360	16900	131	5810
30	22200	46	2760	12500	58	1800	18400	67	3300

31	---	---	---	15200	63	2720	---	---	---

TOTAL	883400	---	86280	1067000	---	167010	636900	---	166770


	JULY			AUGUST			SEPTEMBER

1	18900	64	3270	6140	38	667	6880	54	1030
2	17600	70	3320	6630	42	710	7100	48	913
3	16900	75	3430	6240	46	782	5770	43	677
4	18000	87	4240	6930	52	1020	6320	42	708
5	18200	100	4910	14700	60	2510	5950	40	621

6	20100	114	6240	17900	84	4060	5870	39	653
7	22800	125	7700	16600	86	3840	8280	41	946
8	27700	137	10400	15800	100	4280	11100	44	1300
9	29300	144	11300	16700	119	5390	9810	49	1250
10	27700	98	7290	16600	127	5620	8730	52	1240

11	26400	108	7660	15400	135	5600	e7800	45	956
12	24600	71	4700	14000	141	5230	e6000	39	637
13	22100	59	3510	11400	97	2930	e5600	34	517
14	19300	56	2890	10400	59	1640	e5800	33	510
15	17000	82	3760	9670	44	1130	e5500	32	480

16	16100	96	4130	9510	51	1280	e6100	35	584
17	13800	84	3150	8610	58	1410	e6700	37	673
18	12500	69	2280	8280	55	1250	e6000	32	515
19	11800	56	1770	8450	49	1120	e5300	27	387
20	12200	61	2030	7370	44	847	e4800	26	337

21	11500	74	2260	6810	41	759	e5300	26	372
22	12800	89	3070	6710	40	709	5830	26	407
23	13000	113	3930	6410	40	703	4210	25	301
24	12900	112	3890	7580	42	818	4040	24	277
25	11800	103	3280	9890	43	1140	4580	24	280

26	11300	80	2460	8760	45	1080	3270	38	453
27	10400	62	1680	8900	48	1160	6010	28	451
28	8640	55	1290	9400	54	1380	3650	23	210
29	8740	50	1170	8450	65	1500	5260	40	622
30	7270	41	780	8970	76	1790	4790	38	513

31	7060	36	700	7760	64	1350	---	---	---

TOTAL	508410	---	122490	316970	---	63705	182350	---	18820

e Estimated

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data