05570000 DATA: Sediment Tables, 2005

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, 2003-2004.

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 (466.76 ft NAVD 1988). 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, 2.2 tons, Sept. 13-14, 2005.

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, 2,470 mg/L, April 22 ; minimum daily, 17 mg/L, Oct. 5.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 59,300 tons, Jan. 14; minimum daily, 2.2 tons, Sept.13-14.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
		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	114	26	6.6	1680	536	2540	2580	258	1800
2	124	27	9.2	5020	1340	18400	2540	235	1610
3	147	29	11	5310	757	11200	2280	247	1520
4	150	23	9.1	3360	521	4750	2090	265	1490
5	131	17	6.0	3070	579	4800	1920	219	1140

6	120	45	14	2640	420	3010	2180	238	1440
7	116	77	24	2200	248	1490	3830	647	6800
8	153	73	30	1880	188	958	5070	685	9360
9	462	173	282	1630	149	658	4320	491	5770
10	579	305	479	1490	136	549	3410	318	2960

11	414	161	184	1370	130	479	2820	172	1320
12	338	92	84	1260	125	427	2440	159	1050
13	304	44	36	1150	121	376	2130	166	954
14	288	31	24	1060	115	329	1870	151	765
15	287	30	23	999	98	264	1640	133	589

16	354	35	33	966	83	218	1580	114	486
17	377	40	40	963	102	265	1540	96	400
18	337	44	40	1000	123	334	1480	81	322
19	336	39	36	1070	129	375	1380	66	245
20	350	53	50	1280	133	460	1280	51	174

21	378	76	78	1200	134	435	e1200	42	135
22	357	116	122	1100	104	308	e1100	53	157
23	2200	1110	7830	1020	69	190	e1050	65	185
24	3700	1440	14600	1020	60	166	e990	73	196
25	2040	731	4100	1030	56	158	e920	49	122

26	1530	672	2770	1020	61	168	e880	24	58
27	1910	492	2660	1210	123	423	e860	21	50
28	2410	573	3740	2460	416	2820	e850	21	48
29	1850	418	2090	2880	373	2910	e880	21	49
30	1800	366	1780	2610	290	2050	e930	22	55

31	1560	365	1540	---	---	---	e1000	50	134

TOTAL	25216	---	42730.9	54948	---	61510	59040	---	41384


	JANUARY			FEBRUARY			MARCH

1	e1100	86	254	1460	120	477	1460	83	326
2	1200	130	423	1410	127	484	1400	71	266
3	2370	534	3710	1380	119	447	1310	60	211
4	4140	1190	13600	1370	109	400	1250	62	209
5	5480	1300	19200	1370	106	391	1240	64	216

6	4830	879	11500	1390	149	558	1210	65	214
7	3530	773	7410	1560	201	847	1180	54	170
8	2720	533	3940	2070	241	1350	1170	40	125
9	2280	290	1800	2320	207	1300	1130	28	85
10	2070	302	1680	2090	158	893	1070	31	88

11	2100	387	2200	1820	113	554	1050	37	105
12	2650	1350	10500	1700	115	527	1070	42	121
13	8360	2440	55000	1810	139	684	1030	41	113
14	10300	2160	59300	2980	322	2670	960	38	99
15	11300	567	17400	4190	466	5270	922	37	91

16	9280	314	7920	4050	554	6050	893	39	94
17	4690	254	3250	3310	460	4130	883	42	101
18	3510	198	1880	2680	333	2420	881	45	107
19	e2900	141	1120	2220	212	1280	877	40	94
20	e2500	88	607	1960	159	840	861	32	74

21	e2200	75	453	1950	127	669	831	24	54
22	e2000	75	406	1920	118	615	804	27	58
23	e1850	74	371	1760	117	556	891	33	79
24	e1750	75	358	1650	114	506	1050	45	128
25	e1700	90	416	1600	105	453	1230	79	263

26	e1600	108	467	1550	95	398	1520	108	444
27	e1580	122	522	1480	87	346	1680	107	485
28	e1500	118	481	1460	85	333	1630	103	452
29	1520	110	448	---	---	---	1520	98	402
30	1580	103	440	---	---	---	1440	92	357

31	1540	111	459	---	---	---	1370	86	316

TOTAL	106130	---	227515	56510	---	35448	35813	---	5947


	APRIL			MAY			JUNE

1	1300	81	282	1150	95	294	e488	145	191
2	1170	81	255	1080	74	214	e457	147	182
3	1100	81	241	1020	86	236	403	149	163
4	1070	82	237	973	104	272	396	152	163
5	1040	81	229	928	89	222	402	155	168

6	1020	81	223	891	70	168	412	150	167
7	999	80	216	866	74	173	403	145	158
8	975	82	216	846	87	198	371	145	145
9	934	84	213	839	105	237	405	141	155
10	906	87	212	843	124	283	407	124	136

11	893	114	274	814	143	315	428	105	121
12	1170	238	771	768	147	305	433	73	86
13	1840	331	1640	739	144	288	382	38	40
14	1660	272	1230	799	135	291	349	31	29
15	1340	208	753	839	124	281	331	34	31

16	1210	179	586	757	113	232	309	45	37
17	1130	194	587	708	108	207	292	53	42
18	1080	371	1080	679	122	224	275	52	39
19	1040	505	1420	696	133	250	260	52	36
20	1000	389	1060	701	124	235	250	61	41

21	1050	321	985	713	114	219	239	72	46
22	2130	2470	14200	676	106	194	229	79	49
23	3090	1300	10800	627	100	169	221	99	59
24	2550	711	4970	591	97	154	222	117	70
25	1990	332	1810	558	100	151	206	119	67

26	1700	242	1110	528	127	181	195	102	54
27	1530	183	757	510	148	204	185	85	43
28	1400	157	595	e501	144	194	178	83	40
29	1290	138	478	e494	138	184	175	83	39
30	1220	118	386	e496	140	187	171	85	39

31	---	---	---	e497	143	191	---	---	---

TOTAL	40827	---	47816	23127	---	6953	9474	---	2636


	JULY			AUGUST			SEPTEMBER

1	165	84	37	74	48	9.6	40	59	6.4
2	155	76	31	64	48	8.2	38	70	7.1
3	146	68	27	57	49	7.5	36	78	7.5
4	139	67	25	53	55	7.8	34	78	7.2
5	139	63	24	57	59	9.0	33	78	7.0

6	138	43	16	49	56	7.4	33	74	6.6
7	136	28	10	46	53	6.5	32	61	5.2
8	135	35	13	44	49	5.9	31	47	3.9
9	125	41	14	43	46	5.4	32	35	3.0
10	116	33	10	42	43	4.8	32	32	2.8

11	106	27	7.6	41	41	4.5	31	30	2.5
12	108	35	10	40	40	4.3	29	29	2.3
13	105	43	12	61	59	10	29	27	2.2
14	100	36	9.8	82	60	13	32	25	2.2
15	93	30	7.5	67	51	9.2	39	24	2.6

16	89	28	6.8	65	44	7.6	45	26	3.1
17	86	28	6.5	66	47	8.5	47	27	3.4
18	83	30	6.6	62	58	9.7	45	28	3.4
19	78	32	6.7	56	47	7.1	54	53	8.8
20	73	37	7.2	52	38	5.3	82	81	18

21	69	39	7.2	46	43	5.3	77	105	22
22	66	30	5.4	44	49	5.9	79	95	20
23	63	21	3.6	43	55	6.5	57	75	12
24	61	22	3.5	41	61	6.6	44	58	6.9
25	59	24	3.8	41	66	7.4	38	55	5.6

26	69	37	7.5	48	70	9.0	38	55	5.6
27	107	98	28	47	67	8.5	36	54	5.3
28	86	74	17	47	64	8.2	46	59	7.3
29	92	49	12	46	61	7.4	55	63	9.3
30	88	55	13	47	59	7.5	43	60	5.8

31	78	58	12	44	58	6.9	---	---	---

TOTAL	3153	---	400.7	1615	---	230.5	1287	---	205.0

YEAR	417140		472776.1