05543500 DATA: SED_TBL

Station list Available data
ILLINOIS RIVER BASIN

05543500 ILLINOIS RIVER AT MARSEILLES, IL


LOCATION.-- Lat 41°19'37", long 88°43'03" (NAD of 1927), in SE1/4SW1/4 sec.13, T.33 N., R.4 E., La Salle County, Hydrologic Unit 07120005, on right bank 0.5 mi downstream from Marseilles Dam in Marseilles, 6.9 mi upstream from Fox River, and at mile 246.5.

DRAINAGE AREA.-- 8,259 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 1919 to current year. Prior to October 1939, published as "at Morris."
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1975-96.
	SEDIMENT: February 2003 to current year.
	SPECIFIC CONDUCTANCE: Water years 1975-81.
	WATER TEMPERATURE: Water years 1975-81.
	MISCELLANEOUS: Water Year 1998; Contaminants in streambed sediments, October 1996; contaminants in fish tissue, October 1996; sediment concentration and particle size, water years 1993-97, 2003.
BIOLOGICAL
	ALGAE: Water year 1989.

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

GAGE.-- Water-stage recorder, phone telemeter, automatic water sampler, and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 452.91 ft above NGVD of 1929. October 1919 to January 1935, nonrecording gage at site at Morris, 16.6 mi upstream, at datum 25.59 ft higher. January 1935 to September 1939, water-stage recorder 300 ft downstream from Morris site at that datum. October 1939 to September 2002, water-stage recorder at current site at datum 10 ft. higher.

REMARKS.-- Figures of daily discharge include flow through navigation locks. Flow regulated by powerplants and navigation dam above station. Since Jan. 17, 1900, flow has included diversion from Lake Michigan through Chicago Sanitary and Ship Canal. Suspended sediment samples were collected twice weekly with additionl samples during high-runoff periods by an automatic water sampler.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 95,000 ft³/s, Feb. 22, 1997, gage height, 26.85 ft, present datum; minimum daily discharge, 461 ft³/s, Nov. 21, 2002.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 307 mg/L, June 13, 2004; minimum daily, 6 mg/L, Jan. 28 - Feb. 6, 2004.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 42,100 tons, June 13, 2004; minimum daily, 37 tons, Feb. 4, 2004.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: A stage of 26.2 ft at Morris occurred in 1831, discharge not determined, and a stage of 35.4 ft (ice jam) occurred at present site and datum on Jan. 21, 1916, estimated discharge, 40,000 ft³/s.

EXTREMES FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 307 mg/L, June 13; minimum daily, 6 mg/L, Jan. 28 - Feb. 6.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 42,100 tons, June 13; minimum daily, 37 tons, Feb. 4.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
		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	4040	16	162	4070	29	305	10600	60	1730
2	2640	17	112	6650	32	579	10500	42	1140
3	4510	18	200	9310	29	708	8830	52	1200
4	2460	18	111	9320	32	798	8340	61	1330
5	3050	19	143	13300	34	1210	10200	66	1800

6	2820	19	135	13300	35	1250	10300	61	1660
7	2990	20	143	11300	37	1110	10300	54	1480
8	2870	20	144	8110	37	796	9700	48	1250
9	3110	21	161	7190	36	687	10200	45	1210
10	1810	22	90	8340	36	806	14200	50	1900

11	3620	22	195	4990	37	477	17900	82	4010
12	3200	23	182	5320	39	536	17400	87	4080
13	2740	24	163	5970	41	657	15100	55	2220
14	5150	32	445	5830	37	558	12800	48	1650
15	5470	30	427	4850	29	361	12200	52	1680

16	5940	29	445	4610	22	265	10500	59	1670
17	4760	29	353	5160	18	258	9780	75	1910
18	4280	29	311	13800	44	1680	9790	83	2130
19	4510	28	321	25900	109	7840	8970	60	1440
20	4630	28	331	26500	156	11200	7430	45	874

21	2870	28	199	20800	104	5870	8810	40	922
22	4080	26	269	17400	79	3650	6580	35	609
23	3390	25	206	16600	79	3530	7360	31	592
24	3430	23	199	19300	79	4030	6490	28	468
25	4870	23	282	20100	65	3520	8240	31	691

26	4220	25	266	17100	67	3040	9800	35	902
27	3970	27	272	15800	50	2130	9250	39	960
28	4860	29	357	14200	42	1590	8820	44	1020
29	3550	30	268	12900	43	1460	8810	48	1120
30	4880	31	401	12300	69	2230	8900	48	1130

31	4220	31	339	---	---	---	10300	45	1240

TOTAL	118940	---	7632	360320	---	63131	318400	---	46018


	JANUARY			FEBRUARY			MARCH

1	10900	42	1220	e4600	6	80	7380	16	318
2	10700	39	1110	e4000	6	71	8360	21	448
3	10200	36	979	e4400	6	100	8960	28	668
4	9420	32	799	2460	6	37	10500	39	1150
5	10000	28	745	4770	6	73	22400	104	6220

6	9900	24	625	4920	6	83	28500	115	8820
7	10100	20	537	4340	7	76	27500	83	6150
8	9750	16	405	4880	7	92	23000	67	4160
9	8350	13	278	5380	7	104	18500	57	2840
10	7310	12	230	3940	8	80	17300	50	2320

11	7220	11	213	3920	8	81	14000	43	1620
12	7850	10	216	4350	8	93	12700	37	1260
13	7430	9	187	4700	9	106	12500	34	1130
14	6130	9	142	4400	9	104	10800	32	907
15	7180	9	164	4160	9	101	11500	29	897

16	6630	9	154	4010	10	101	9230	28	674
17	5820	9	134	3420	10	90	9130	26	630
18	6480	9	152	4560	10	125	9840	24	634
19	4820	9	112	4990	11	142	8810	22	519
20	5100	9	115	5630	12	180	8920	20	468

21	5710	8	115	8300	16	355	8240	18	384
22	4710	8	95	9050	20	480	8080	16	343
23	5080	7	99	10400	20	550	7500	14	289
24	4230	7	80	10000	16	416	8530	14	312
25	5450	7	100	9270	12	298	9090	17	402

26	4250	7	78	8960	14	331	9280	20	479
27	e3800	7	68	8440	14	309	12600	23	784
28	e4500	6	77	7320	13	244	16300	56	2460
29	e3700	6	62	7930	14	298	22400	56	3410
30	e4600	6	74	---	---	---	26500	84	5950

31	e2300	6	38	---	---	---	22600	83	5010

TOTAL	209620	---	9403	167500	---	5200	430950	---	61656


	APRIL			MAY			JUNE

1	21000	63	3510	7400	29	563	39000	148	15600
2	19600	55	2890	8160	33	699	30900	145	12100
3	16800	47	2120	6690	28	497	26900	115	8330
4	14500	40	1550	6490	23	393	22100	115	6760
5	11700	30	928	7280	19	369	20300	99	5310

6	12200	26	848	6360	19	311	17400	81	3780
7	9570	23	580	5880	19	290	14200	67	2530
8	8740	20	467	5890	20	299	13200	55	1940
9	9250	20	477	7840	22	448	11400	52	1560
10	7420	19	375	6000	25	386	12400	49	1590

11	7530	19	380	6390	27	452	16700	51	2260
12	7450	20	388	7270	29	548	33900	132	13900
13	6840	20	373	9130	32	765	50600	307	42100
14	6400	20	341	17500	66	3040	45400	158	19500
15	5350	18	259	18400	87	4220	39400	117	12300

16	6990	16	291	16900	60	2700	35500	103	9840
17	6130	14	227	15400	43	1740	29600	85	6690
18	6070	15	240	14200	36	1360	25600	75	5110
19	5240	16	221	13000	31	1080	22300	74	4410
20	6590	18	312	12700	28	965	20900	76	4210

21	7580	20	393	12200	29	940	19300	79	4060
22	7400	23	450	14700	34	1340	18200	68	3330
23	7910	25	510	16400	35	1520	15900	58	2470
24	7460	23	457	15500	34	1420	13200	60	2100
25	7490	22	440	15000	41	1670	11000	58	1700

26	9710	21	530	14600	36	1380	9800	57	1450
27	7980	19	401	14200	35	1320	9630	56	1410
28	7840	18	374	13700	35	1280	8540	54	1220
29	6340	18	311	12800	36	1240	8070	51	1070
30	6680	24	410	15800	56	2560	7950	44	913

31	---	---	---	33400	142	12900	---	---	---

TOTAL	271760	---	21053	377180	---	48695	649290	---	199543


	JULY			AUGUST			SEPTEMBER

1	7710	37	739	4170	27	276	19600	69	3590
2	6040	32	496	5750	27	404	18900	65	3290
3	7950	34	706	3400	27	226	15400	55	2280
4	11000	36	1040	9620	27	701	13600	50	1780
5	8850	38	882	9570	27	682	11800	46	1430

6	8600	40	893	8230	27	576	10600	43	1180
7	9380	41	1030	7300	27	505	8750	40	912
8	8110	42	888	6390	26	423	9240	37	890
9	8590	41	926	5290	25	338	8400	35	768
10	8680	41	925	6010	23	368	8310	37	802

11	9240	40	950	4870	22	282	7460	40	774
12	8440	37	818	4690	21	254	6890	41	726
13	10100	35	925	4370	25	274	6690	37	637
14	9460	34	845	4930	27	341	5420	32	446
15	8960	38	903	4780	24	291	5990	28	429

16	7560	42	833	4920	22	271	7890	27	563
17	6220	46	744	4720	23	281	5770	27	395
18	6970	47	856	3010	25	177	5560	26	368
19	5320	48	667	5290	26	348	4750	25	301
20	6790	48	853	6530	27	464	4770	25	297

21	6620	45	771	6130	28	440	4650	24	292
22	6580	42	721	5580	29	415	3530	25	229
23	6600	40	647	6640	27	478	4740	26	318
24	6950	37	665	8220	26	563	3790	27	261
25	6400	35	577	8280	27	619	3320	27	231

26	6140	33	532	10600	38	1060	4070	28	286
27	6040	31	494	16100	51	2170	4140	28	294
28	6780	29	506	31100	208	18200	3420	27	239
29	5090	27	355	32400	164	14400	4650	26	316
30	5180	27	363	27900	103	7760	3110	25	196

31	5240	27	370	22600	80	4880	---	---	---

TOTAL	231590	---	22920	289390	---	58467	225210	---	24520

YEAR	3650150		568238