05570000 DATA: SED_TBL

Station list Available data
ILLINOIS RIVER BASIN

05570000 SPOON RIVER AT SEVILLE, IL


LOCATION.-- Lat 40°29'24", long 90°20'25" (NAD of 1927), in SE1/4NW1/4 sec.24, T.6 N., R.1 E., Fulton County, Hydrologic Unit 07130005, on left bank at downstream side of State Highway 95 bridge, 0.5 mi upstream from a railroad bridge, 0.5 mi northeast of Seville, 0.1 mi downstream from Shaw Creek, and at mile 39.2.

DRAINAGE AREA.-- 1,636 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: July 1914 to current year. Monthly discharge only for some periods, published in WSP 1308.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1978-93.
	SEDIMENT: Water years 1980-97, Feb. 2003 to current year.
	MISCELLANEOUS: Sediment concentration and particle size, water years 1993, 1995-97, 2003.

REVISED RECORDS.-- WSP 1208: 1917, 1920, 1922, 1924, 1926-27, 1929(M). WSP 1308: 1919(M), 1936(M), 1938(M), 1942(M), 1945(M). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, sediment sampler, and crest-stage gage. Datum of gage is 467.04 ft above NGVD of 1929. Datum of gage was incorrectly published water years 1927-1941. Prior to May 9, 1935, nonrecording gage 0.5 miles downstream at same datum. May 9, 1935 to June 30, 1976, nonrecording gage 0.47 miles downstream at same datum. July 1, 1976, to July 13, 1983, recording gage at present site and datum. July 14, 1983 to Sept. 18, 2000, recording gage 0.47 miles downstream at same datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 37,300 ft³/s, Aug. 22, 1924, gage height, 30.77 ft, from graph based on gage readings; maximum gage height, 33.10 ft, July 26, 1993, discharge, 34,700 ft³/s; minimum observed discharge, 3.8 ft³/s, July 31, Aug. 27-29, 1914.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 4,630 mg/L, July 21, 1996; minimum daily, 10 mg/L, Feb. 5, 6, 1996.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 128,000 tons, May 27, 1996; minimum daily, 2.9 tons, Feb. 6, 1996.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of 1883 reached a stage of about 33.0 ft, backwater from ice, discharge not determined.

EXTREMES FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 3,580 mg/L, July 10; minimum daily, 35 mg/L, Sept. 29.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 93,400 tons, July 10; minimum daily, 5 tons, Sept. 29.

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	96	---	---	126	---	---	118	---	---
2	94	---	---	123	---	---	123	---	---
3	94	---	---	118	---	---	123	---	---
4	95	---	---	117	---	---	e105	---	---
5	99	---	---	117	---	---	e95	---	---

6	98	---	---	122	---	---	e96	---	---
7	121	---	---	120	---	---	e97	---	---
8	116	---	---	121	---	---	e92	---	---
9	114	---	---	124	---	---	e87	---	---
10	103	---	---	132	---	---	e92	---	---

11	95	---	---	117	---	---	e94	---	---
12	90	---	---	113	---	---	e98	---	---
13	88	---	---	109	---	---	102	---	---
14	88	---	---	109	---	---	104	---	---
15	86	---	---	109	---	---	110	---	---

16	88	---	---	109	---	---	115	---	---
17	86	---	---	109	---	---	116	---	---
18	88	---	---	127	---	---	196	---	---
19	96	---	---	138	---	---	274	---	---
20	102	---	---	139	---	---	445	---	---

21	102	---	---	163	---	---	398	---	---
22	99	---	---	185	---	---	306	---	---
23	100	---	---	171	---	---	220	---	---
24	104	---	---	165	---	---	173	---	---
25	105	---	---	143	---	---	e140	---	---

26	107	---	---	133	---	---	e170	---	---
27	111	---	---	129	---	---	e198	---	---
28	123	---	---	124	---	---	e202	---	---
29	130	---	---	126	---	---	198	---	---
30	132	---	---	129	---	---	175	---	---

31	132	---	---	---	---	---	162	---	---

TOTAL	3182	---	---	3867	---	---	5024	---	---


	JANUARY			FEBRUARY			MARCH

1	155	---	---	e97	---	---	e132	103	37
2	e146	---	---	e106	---	---	e122	87	29
3	e142	---	---	e117	---	---	e118	77	25
4	e142	---	---	e125	---	---	e123	67	22
5	e146	---	---	e137	---	---	e113	57	17

6	e160	---	---	e146	---	---	e110	47	14
7	e140	---	---	e132	---	---	e125	62	21
8	e130	---	---	e123	50	16	e150	108	44
9	e142	---	---	e110	49	15	e185	155	77
10	e125	---	---	e99	49	13	e210	278	158

11	e107	---	---	e92	48	12	e240	394	255
12	e110	---	---	e85	48	11	e220	353	210
13	e112	---	---	e83	47	11	e250	203	137
14	e94	---	---	e82	47	10	1000	409	1120
15	e86	---	---	e82	47	10	918	248	615

16	e82	---	---	e82	46	10	819	147	328
17	e78	---	---	e84	46	10	718	121	235
18	e75	---	---	e87	45	11	703	92	176
19	e72	---	---	e92	45	11	635	83	143
20	e70	---	---	e98	57	15	658	112	199

21	e68	---	---	e140	83	31	616	64	107
22	e67	---	---	e220	182	108	536	44	64
23	e66	---	---	e385	350	363	433	40	47
24	e66	---	---	e410	329	364	363	39	38
25	e66	---	---	e300	238	193	347	56	52

26	e66	---	---	e220	203	121	329	64	57
27	e68	---	---	e170	169	78	315	58	49
28	e72	---	---	e150	136	55	313	58	49
29	e76	---	---	---	---	---	340	44	40
30	e82	---	---	---	---	---	360	110	108

31	e90	---	---	---	---	---	349	75	72

TOTAL	3101	---	---	4054	---	---	11850	---	4545


	APRIL			MAY			JUNE

1	310	69	57	295	113	90	634	178	303
2	275	88	66	1250	1130	6120	e570	161	248
3	247	87	58	3010	2900	23900	e540	156	227
4	334	181	202	1810	1450	7180	e550	157	232
5	443	329	408	1710	1000	4660	e560	158	239

6	369	163	162	2250	1050	6710	e520	160	225
7	394	151	160	2560	1450	10100	e550	166	246
8	398	116	126	1730	847	4040	e580	168	263
9	422	272	311	1430	513	1990	e540	156	228
10	383	198	206	2430	977	7160	e530	141	202

11	339	128	117	4110	2520	28300	519	119	168
12	306	118	97	5920	3450	55400	531	131	188
13	278	113	85	4380	1870	23000	539	149	217
14	258	108	75	2650	1040	7580	519	163	228
15	239	92	59	2080	613	3460	498	154	207

16	230	77	48	2470	754	5100	452	145	177
17	299	159	131	2150	1810	10600	404	143	156
18	336	194	178	1650	1100	4930	379	141	145
19	384	217	226	1440	466	1820	368	137	136
20	349	144	136	1310	394	1390	349	143	135

21	330	131	116	1240	379	1270	333	187	168
22	313	123	104	1170	355	1130	306	212	175
23	280	115	87	1030	289	806	292	152	120
24	259	107	75	971	279	730	284	92	71
25	269	100	73	913	290	714	303	170	166

26	267	93	67	860	290	673	602	755	1230
27	261	86	61	796	234	504	1060	955	2760
28	241	79	52	729	184	363	780	751	1590
29	226	69	42	685	185	343	592	539	868
30	242	82	54	690	241	450	510	363	501

31	---	---	---	691	315	590	---	---	---

TOTAL	9281	---	3639	56410	---	221103	15194	---	11819


	JULY			AUGUST			SEPTEMBER

1	443	311	373	290	87	69	248	434	296
2	388	276	289	264	65	47	246	232	155
3	349	256	241	250	40	27	222	197	120
4	325	235	207	343	122	122	172	120	56
5	306	211	174	328	72	66	140	99	38

6	280	202	152	255	53	36	104	92	26
7	256	253	175	219	50	29	83	91	21
8	261	311	220	200	48	26	72	90	17
9	674	672	2200	180	49	24	66	87	15
10	9400	3580	93400	166	51	23	62	85	14

11	5150	1400	19900	155	53	22	59	82	13
12	3550	1560	15100	150	55	22	55	79	12
13	2300	916	5830	148	58	23	61	89	15
14	1460	597	2380	144	60	23	70	94	18
15	1170	369	1170	145	62	24	80	122	27

16	975	315	830	135	64	23	91	113	27
17	803	276	600	126	66	22	86	56	13
18	703	238	452	121	68	22	70	48	9.1
19	625	215	363	e112	70	21	63	45	7.7
20	571	194	299	e105	72	20	56	41	6.3

21	543	180	265	e95	74	19	52	42	5.9
22	832	266	603	78	83	19	58	55	8.7
23	921	292	728	73	114	23	57	45	7.0
24	733	225	453	70	148	28	53	42	6.0
25	524	160	227	67	170	31	54	38	5.5

26	444	132	158	65	151	26	59	54	8.7
27	396	110	118	62	128	22	59	52	8.3
28	372	106	107	58	105	16	53	37	5.4
29	351	101	96	67	125	23	53	35	5.0
30	332	81	72	79	157	33	57	47	7.1

31	317	69	59	93	169	45	---	---	---

TOTAL	35754	---	147241	4643	---	976	2661	---	973.7