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, 2,550 mg/L, May 31; minimum daily, 13 mg/L, Sept. 27-28.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 39,900 tons, Dec. 11; minimum daily, 3.3 tons, Oct. 1.

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	60	26	3.3	76	74	15	286	22	17
2	65	53	9.2	81	64	14	278	19	14
3	59	52	8.2	134	59	21	270	16	12
4	53	41	5.8	268	78	59	255	16	11
5	48	32	4.2	548	204	330	259	31	21

6	47	31	3.9	957	442	1140	265	31	22
7	47	30	3.8	613	207	352	278	32	24
8	47	29	3.7	472	93	120	280	35	26
9	51	28	3.9	357	65	63	284	70	56
10	53	28	3.9	288	43	33	2100	1350	9090

11	49	27	3.6	255	26	18	6230	2390	39900
12	49	29	3.9	235	25	15	5540	1050	16100
13	54	31	4.5	215	25	15	3340	339	3210
14	75	33	6.7	196	28	15	2220	215	1290
15	80	33	7.2	182	30	15	1830	174	863

16	93	34	8.5	174	31	14	1630	136	601
17	124	33	11	170	43	20	1470	117	462
18	116	31	9.6	261	68	48	1320	100	355
19	107	28	8.1	660	75	133	1210	83	272
20	98	29	7.7	743	59	118	1080	66	194

21	86	42	9.8	599	67	108	1030	55	152
22	78	56	12	535	53	76	1020	63	176
23	73	65	13	445	39	47	1070	61	176
24	65	58	10	391	28	29	977	57	151
25	82	50	11	356	25	24	886	67	161

26	84	44	10	350	28	27	841	69	156
27	84	39	9.0	345	34	32	845	74	168
28	89	39	9.3	328	29	25	861	85	198
29	85	54	12	314	27	23	845	87	198
30	84	71	16	302	25	21	834	88	198

31	77	83	17	---	---	---	800	87	188

TOTAL	2262	---	249.8	10850	---	2970	40434	---	74462


	JANUARY			FEBRUARY			MARCH

1	762	77	158	e410	52	82	680	64	118
2	728	66	130	e390	62	103	652	60	105
3	722	57	110	e380	74	122	634	62	106
4	724	56	110	e370	90	152	631	136	243
5	699	58	108	e360	117	207	1270	590	2080

6	645	59	104	e360	167	300	2340	1340	8410
7	712	81	157	e350	179	317	2370	947	6090
8	882	176	421	e340	126	224	1870	574	2930
9	862	171	398	e340	92	164	1520	268	1110
10	846	131	298	e340	81	142	1320	192	686

11	809	91	198	e330	73	126	1190	145	469
12	765	66	136	e330	68	116	1080	105	308
13	726	60	116	e320	67	112	992	94	252
14	720	57	109	e320	67	109	932	87	219
15	693	55	102	e320	66	105	918	81	202

16	672	53	95	e310	66	100	906	80	195
17	658	51	90	e310	66	98	888	78	188
18	623	49	83	e330	65	96	888	78	186
19	e640	91	215	e400	78	125	882	83	198
20	e680	167	404	e700	133	320	846	91	208

21	e720	100	242	e900	262	873	786	96	205
22	e660	61	123	e1550	412	1880	739	87	173
23	e620	51	101	e1500	339	1520	699	69	130
24	e590	49	97	e1400	226	951	696	67	126
25	e550	48	84	e1250	126	472	724	112	219

26	e530	48	80	e1050	145	520	787	152	323
27	e510	47	84	e900	115	322	983	200	534
28	e480	47	80	e760	92	202	1160	248	775
29	e460	47	77	e720	77	156	1350	278	1010
30	e450	47	74	---	---	---	1440	284	1100

31	e430	46	71	---	---	---	1420	248	948

TOTAL	20568	---	4655	17340	---	10016	33593	---	29846


	APRIL			MAY			JUNE

1	1370	209	772	681	118	224	6970	2000	37700
2	1290	176	613	1000	251	676	6360	1190	20600
3	1200	174	564	882	198	473	5190	848	11900
4	1110	164	496	817	192	426	2890	705	5530
5	1040	118	333	950	210	537	2230	995	6010

6	977	129	341	962	196	508	1940	542	2860
7	944	156	398	868	171	402	1750	395	1870
8	918	139	345	794	143	306	1580	332	1420
9	878	109	259	990	322	942	1450	331	1290
10	826	100	223	1230	475	1580	1580	483	2070

11	765	92	190	1110	389	1170	1950	543	2850
12	725	77	150	1090	505	1520	2100	498	2830
13	696	62	117	1530	740	3030	1810	530	2590
14	674	67	122	1290	896	3130	1530	582	2410
15	662	78	139	1440	611	2360	1430	395	1520

16	643	92	160	1590	670	2880	1380	275	1020
17	630	105	179	1590	559	2400	1300	268	939
18	608	103	169	1360	430	1580	1170	286	903
19	581	100	157	1310	469	1660	1080	258	754
20	563	119	182	1490	486	1950	998	223	600

21	605	139	227	1370	508	1880	968	210	549
22	695	116	218	1280	523	1820	1000	296	798
23	694	90	169	1680	782	3540	957	246	637
24	621	79	133	1860	1070	5430	864	184	431
25	616	72	120	1940	1130	5920	775	157	329

26	661	73	131	1700	1100	5040	718	149	288
27	670	75	136	1910	853	4380	675	146	267
28	617	75	124	1650	557	2500	645	134	234
29	576	75	116	1430	490	1890	616	119	198
30	576	86	134	1420	984	4090	589	105	166

31	---	---	---	4360	2550	32100	---	---	---

TOTAL	23431	---	7417	43574	---	96344	54495	---	111563


	JULY			AUGUST			SEPTEMBER

1	555	101	152	201	59	32	222	65	39
2	526	105	148	194	59	31	177	60	28
3	525	130	185	184	58	29	151	60	24
4	575	181	282	187	53	27	133	69	25
5	658	419	755	191	46	24	121	75	25

6	793	524	1130	204	47	26	111	62	19
7	868	504	1180	202	42	23	104	47	13
8	613	273	460	207	47	26	98	43	11
9	568	243	373	168	45	21	93	43	11
10	731	644	1260	149	38	15	90	43	10

11	919	785	1940	136	29	11	86	44	10
12	1050	831	2440	136	30	11	83	46	10
13	1490	1190	4800	128	36	12	80	49	11
14	956	589	1570	118	37	12	78	51	11
15	708	278	538	113	36	11	82	64	15

16	575	214	332	109	35	10	297	188	229
17	510	278	382	104	33	9.2	1400	1190	4510
18	545	446	654	105	34	9.8	684	353	733
19	457	201	252	134	104	38	452	69	86
20	392	177	187	418	163	190	365	50	50

21	359	400	386	350	176	167	285	44	34
22	334	280	254	255	140	97	236	37	24
23	329	144	129	202	83	46	203	31	17
24	392	146	154	158	65	28	179	24	12
25	337	132	120	202	93	53	162	17	7.7

26	309	109	91	254	92	64	150	15	6.0
27	275	96	72	369	147	150	139	13	5.0
28	254	86	59	338	160	147	131	13	4.8
29	237	85	55	391	154	163	125	17	5.7
30	225	80	48	352	131	125	117	31	7.5

31	214	69	40	280	91	69	---	---	---

TOTAL	17279	---	20428	6539	---	1677.0	6634	---	5993.7

YEAR	276999		365621.5

e Estimated