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, 214 mg/L, May 12; minimum daily, 16 mg/L, Feb. 1 and Apr. 20.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 18,200 tons, May 12; minimum daily, 48 tons, Sept. 30.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
		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	2320	---	---	2300	---	---	2190	---	---
2	4920	---	---	2610	---	---	2940	---	---
3	3540	---	---	2110	---	---	3230	---	---
4	5460	---	---	2590	---	---	2690	---	---
5	5230	---	---	2930	---	---	2140	---	---

6	5370	---	---	2160	---	---	2840	---	---
7	4820	---	---	2800	---	---	2740	---	---
8	3030	---	---	1930	---	---	3100	---	---
9	3980	---	---	3130	---	---	2980	---	---
10	2970	---	---	2270	---	---	1970	---	---

11	3430	---	---	2830	---	---	3530	---	---
12	3290	---	---	2230	---	---	2280	---	---
13	3460	---	---	3820	---	---	3000	---	---
14	2400	---	---	2220	---	---	2710	---	---
15	2460	---	---	3690	---	---	2310	---	---

16	3040	---	---	2700	---	---	3380	---	---
17	2730	---	---	3120	---	---	2170	---	---
18	3240	---	---	3180	---	---	6600	---	---
19	2520	---	---	2030	---	---	7120	---	---
20	3080	---	---	2480	---	---	6180	---	---

21	1510	---	---	461	---	---	4990	---	---
22	2980	---	---	2840	---	---	4190	---	---
23	2700	---	---	2830	---	---	4970	---	---
24	1820	---	---	3230	---	---	3800	---	---
25	2920	---	---	3120	---	---	4220	---	---

26	2410	---	---	2910	---	---	3140	---	---
27	2940	---	---	2840	---	---	3010	---	---
28	2250	---	---	2750	---	---	4070	---	---
29	2860	---	---	2890	---	---	3600	---	---
30	2040	---	---	2360	---	---	3080	---	---

31	2100	---	---	---	---	---	4900	---	---

TOTAL	97820	---	---	79361	---	---	110070	---	---


	JANUARY			FEBRUARY			MARCH

1	2760	---	---	3470	16	60	3600	24	225
2	3290	---	---	3070	24	185	1860	24	106
3	4400	---	---	2130	24	132	3300	24	186
4	4250	---	---	3730	24	262	2760	24	170
5	3810	---	---	3310	24	206	3260	24	218

6	3590	---	---	3580	24	233	3150	24	188
7	3430	---	---	2790	24	173	2760	24	155
8	3230	---	---	3930	24	251	4830	24	281
9	4020	---	---	2650	24	175	3230	24	183
10	2560	---	---	3820	24	241	4390	24	273

11	3410	---	---	2130	24	112	3590	24	205
12	2660	---	---	3470	24	208	4450	24	308
13	2920	---	---	2310	24	134	4860	24	307
14	2770	---	---	3500	24	217	6610	24	406
15	3070	---	---	1980	24	129	5540	24	339

16	2730	---	---	3260	24	197	5200	24	329
17	2490	---	---	2320	24	139	5410	24	323
18	2420	---	---	1910	24	114	5090	25	334
19	2200	---	---	3440	24	229	5480	31	450
20	2640	---	---	2760	24	164	6040	37	564

21	2800	---	---	1740	24	110	6360	43	688
22	1980	---	---	3640	24	219	6950	46	851
23	2080	---	---	1880	24	113	5310	41	608
24	3230	---	---	3570	24	205	5350	36	512
25	2730	---	---	2250	24	132	5720	30	455

26	2250	---	---	3040	24	188	5410	26	380
27	2670	---	---	2870	24	174	4970	25	336
28	2220	---	---	2820	24	172	6120	24	374
29	2650	---	---	---	---	---	5150	23	308
30	2810	---	---	---	---	---	5410	21	307

31	1810	---	---	---	---	---	5020	20	267

TOTAL	89880	---	---	81370	---	4874	147180	---	10636


	APRIL			MAY			JUNE

1	4200	19	199	14300	75	2880	10200	74	1960
2	4420	21	238	14300	89	3470	9190	64	1580
3	4460	24	294	14700	79	3070	9300	56	1370
4	8300	38	939	14200	72	2680	7420	52	1110
5	11800	62	1920	18100	61	2930	8540	49	1120

6	12500	70	2310	19000	64	3370	7950	46	986
7	11400	58	1760	18100	84	4070	6230	43	695
8	12000	47	1520	15400	76	3130	8050	40	792
9	11600	40	1220	23700	103	6650	6480	37	628
10	11000	36	1040	31300	138	11500	7000	35	634

11	10500	32	895	32400	173	15000	6350	35	583
12	8570	29	667	31800	214	18200	6780	35	618
13	8000	28	594	26600	147	10400	5790	35	545
14	8240	26	554	24100	92	5940	7160	38	708
15	6160	24	385	20900	79	4380	10300	50	1370

16	6340	22	359	20200	76	4110	10400	56	1540
17	5280	21	277	18800	73	3650	10000	53	1410
18	5550	19	280	15300	69	2730	10400	49	1320
19	6350	18	302	13900	67	2480	8880	45	1070
20	4260	16	169	13800	66	2420	6970	44	780

21	4760	17	213	11700	63	1900	7240	43	820
22	5360	19	270	10200	60	1600	5720	43	626
23	4430	21	256	9270	58	1430	6090	42	622
24	5420	22	323	8960	55	1260	5240	42	550
25	4970	24	306	8010	52	1090	4760	42	546

26	4570	25	297	7330	49	945	4090	42	574
27	4300	26	291	6370	47	777	4310	42	480
28	3890	28	278	7930	48	1030	4810	42	549
29	4250	30	308	7830	56	1170	4000	42	398
30	8070	42	940	9240	75	1870	5150	42	564

31	---	---	---	9550	83	2090	---	---	---

TOTAL	210950	---	19404	497290	---	128222	214800	---	26548


	JULY			AUGUST			SEPTEMBER

1	3960	42	451	12300	33	1050	7250	25	468
2	3910	42	411	12600	30	980	6050	28	451
3	5180	45	573	14000	28	1050	7120	32	627
4	4060	49	471	14100	28	1060	7610	39	813
5	5720	53	769	13200	27	965	7360	36	700

6	8020	58	1180	11500	27	807	6620	28	471
7	12000	65	2090	11200	26	781	5120	27	353
8	15900	91	3910	10600	25	700	5670	32	465
9	19200	113	5880	9480	25	620	4310	36	407
10	25200	132	9010	8410	24	542	3840	35	336

11	29400	145	11600	7800	24	479	4220	32	327
12	29200	142	11200	8280	23	504	4630	30	377
13	28000	119	8970	6650	23	385	3580	28	245
14	26000	97	6750	7040	22	402	5820	27	404
15	29300	126	10100	5910	22	343	4390	27	307

16	32600	128	11200	5640	21	306	4860	26	335
17	29300	89	6980	6450	21	349	3760	26	231
18	34000	120	11000	5800	20	304	4370	25	273
19	36800	137	13600	4230	21	231	4270	25	235
20	32900	99	8700	5440	22	304	2730	25	173

21	29100	73	5780	4440	22	245	4820	24	280
22	32100	95	8100	4910	22	292	3420	24	221
23	29200	57	4450	4700	22	262	4440	24	258
24	24900	49	3320	4860	23	273	3750	23	223
25	20700	46	2530	4140	23	246	2480	23	142

26	16600	44	1890	3330	24	212	5030	22	281
27	16800	45	2040	5260	24	348	4700	22	275
28	22800	52	3210	3430	25	216	5950	22	310
29	18600	44	2230	4300	24	254	3850	21	220
30	14800	39	1540	4390	22	237	4090	21	48

31	13300	36	1260	4710	22	275	---	---	---

TOTAL	649550	---	161195	229100	---	15022	146110	---	10256