05552500 DATA: SED_TBL

Station list Available data
ILLINOIS RIVER BASIN

05552500 FOX RIVER AT DAYTON, IL


LOCATION.-- Lat 41°23'04", long 88°47'21" (NAD of 1927), in SW1/4SE1/4 sec.29, T.34 N., R.4 E., La Salle County, Hydrologic Unit 07120007, on left bank under County Highway 18 bridge in Dayton, and at mile 5.2.

DRAINAGE AREA.-- 2,642 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: November 1914 to current year. Prior to April 1925, published as "at Wedron." Monthly discharge only for some periods, published in WSP 1308.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1978-92 and 1996.
	SEDIMENT: February 2003 to current year.
	MISCELLANEOUS: Sediment concentration and particle size, water years 1996-97, 2003.

REVISED RECORDS.-- WSP 730: 1931. WSP 1208: 1930, 1935, 1939. WSP 1308: 1916(M), 1922(M), 1926-31(M), 1934-40(M), 1946-47(M). WDR IL-75-1: Drainage area. WDR IL-76-1: 1969.

GAGE.-- Water-stage recorder, phone telemeter, U.S. Army Corps of Engineers satellite telemeter, automatic water sampler, and crest-stage gage. Datum of gage is 462.30 ft above NGVD of 1929. Prior to Apr. 13, 1925, nonrecording gage at site 4.1 mi upstream at datum 496.80 ft above Memphis datum. Apr. 13, 1925, to Sept. 30, 1942, nonrecording gage at site 1,000 ft upstream at datum 7.70 ft below NGVD of 1929. Oct. 1, 1942, to Apr. 10, 1951, nonrecording gage, and Apr. 11, 1951, to Sept. 30, 1978, water-stage recorder, at site 1.000 ft upstream at same datum. Oct. 1, 1978 to June 11, 1997, water-stage recorder at site 500 ft upstream at same datum.

REMARKS.-- Regulation by hydropower plant upstream from gage.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 55,400 ft³/s, July 19, 1996, gage height, 24.47 ft, from rating curve extended above 43,000 ft³/s; affected by dam failure 500 ft upstream from gage then in use. Maximum gage height, 36.47 ft, Jan. 25, 1960, ice jam; minimum daily discharge, 1.0 ft³/s, Aug. 29, 1934, when turbines were shut down; minimum daily with plant operating, 78 ft³/s, Oct. 29, 1956.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 2,380 mg/L, June 1, 2004; minimum daily, 4 mg/L, Feb. 18-20, 2003.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 90,100 tons, June 1, 2004; minimum daily, 2.6 tons, Feb. 18, 2003.

EXTREMES FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 2,380 mg/L, June 1; minimum daily, 6 mg/L, Jan. 22.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 90,100 tons, June 1; minimum daily, 16 tons, Jan. 22.

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	288	48	36	342	61	57	1160	65	204
2	264	45	32	414	66	74	1080	66	191
3	273	41	30	815	82	183	1030	66	183
4	249	38	26	1610	102	443	1030	67	184
5	253	44	30	2740	135	1010	1060	67	192

6	296	52	42	3040	154	1270	1090	68	198
7	327	42	36	2600	132	926	1030	80	219
8	308	35	29	2330	107	676	973	114	299
9	301	37	30	2210	94	560	979	94	248
10	248	40	27	2070	84	472	1980	145	872

11	274	42	31	1860	75	377	4570	192	2370
12	268	45	32	1560	67	285	3960	162	1740
13	302	47	38	1340	66	237	3310	136	1220
14	292	50	39	1180	65	207	2900	109	852
15	598	99	174	1230	64	215	2590	97	682

16	676	148	271	1200	64	208	2350	92	586
17	464	145	182	1210	63	207	2210	87	521
18	477	132	169	1750	81	412	2050	82	455
19	401	113	123	3240	174	1530	1950	77	407
20	343	103	95	2600	142	1010	1770	72	343

21	323	92	80	2060	110	615	1810	67	328
22	327	82	72	1790	88	427	1770	62	296
23	312	77	65	1670	71	321	1630	59	257
24	345	74	69	1750	69	326	1390	67	250
25	409	71	79	1620	67	293	1190	77	247

26	444	68	82	1520	65	266	1290	87	301
27	410	66	73	1490	63	254	1310	97	343
28	385	63	66	1430	63	244	1220	103	339
29	361	63	61	1350	64	233	1260	97	330
30	344	62	57	1260	64	218	1290	90	312

31	313	62	53	---	---	---	1240	83	278

TOTAL	10875	---	2229	51281	---	13556	54472	---	15247


	JANUARY			FEBRUARY			MARCH

1	1160	76	239	e640	35	92	1450	16	63
2	1190	69	223	e700	35	84	1620	16	70
3	1170	63	198	e740	35	68	1720	20	93
4	1200	56	180	706	35	66	1910	43	225
5	1230	49	162	751	35	70	4360	177	2370

6	849	42	97	666	34	61	6520	218	3880
7	553	42	68	765	34	70	5710	86	1330
8	1250	118	407	731	34	67	4980	44	599
9	1350	127	467	705	34	64	4620	33	419
10	1210	98	320	714	33	64	4360	32	381

11	1030	70	197	750	33	67	3980	36	383
12	936	59	149	716	33	64	3460	24	224
13	862	52	122	731	33	64	3240	22	194
14	864	46	106	807	32	73	3140	26	216
15	778	39	81	e720	32	64	3110	21	180

16	849	33	76	e700	32	81	2980	14	110
17	872	28	67	e680	33	100	2390	11	70
18	705	23	45	683	36	67	2200	13	78
19	668	26	50	683	41	75	2240	16	96
20	e740	72	188	705	45	85	2240	18	109

21	e880	24	73	740	45	90	2200	19	111
22	e800	6	16	705	34	66	2120	19	111
23	e730	10	23	662	23	42	2050	21	115
24	e680	14	29	1900	19	100	2080	25	139
25	e620	19	38	1910	28	142	2640	29	205

26	e580	23	46	1710	29	135	3040	40	332
27	e560	27	48	1540	24	98	4190	87	991
28	e520	31	48	1370	22	79	4270	109	1260
29	e520	35	50	1340	19	71	5650	154	2360
30	e560	36	61	---	---	---	5830	120	1890

31	e600	36	61	---	---	---	5410	104	1520

TOTAL	26516	---	3935	26170	---	2269	105710	---	20124


	APRIL			MAY			JUNE

1	4990	85	1150	1760	48	233	14100	2380	90100
2	4500	74	898	1940	77	404	10700	1620	48100
3	4110	58	647	1900	59	306	9120	558	13800
4	3790	54	550	1810	39	188	8060	447	9730
5	3520	50	480	1650	38	166	7350	279	5580

6	3280	49	430	1410	38	143	6750	189	3450
7	3020	47	383	1410	38	147	6190	200	3350
8	2600	46	324	1410	39	148	5390	118	1730
9	2330	46	287	1420	39	151	4810	93	1210
10	2140	44	257	1530	40	164	4620	93	1160

11	2030	41	227	1590	48	206	5810	140	2200
12	1980	38	206	1970	68	365	10900	454	15300
13	1930	38	198	2400	100	656	13000	1360	47500
14	1790	46	222	4060	160	1790	8840	530	13500
15	1670	55	248	5860	220	3480	7120	143	2780

16	1560	60	251	5330	173	2510	5880	136	2160
17	1470	51	204	4710	129	1640	5320	156	2170
18	1410	42	162	4760	118	1540	4530	111	1380
19	1310	35	126	5870	260	4120	4240	93	1060
20	1260	36	123	5760	251	3910	4000	79	849

21	1710	69	320	5800	156	2450	3940	84	893
22	1800	48	233	7480	292	6390	4470	166	2020
23	1690	40	182	10300	1060	29600	4580	102	1270
24	1710	35	163	9430	407	10600	4450	88	1060
25	2030	59	328	8290	171	3850	4460	87	1050

26	2280	78	479	7810	135	2850	4350	88	1030
27	2090	52	290	7520	128	2610	4190	97	1100
28	2040	41	227	7240	124	2430	4080	106	1170
29	1920	32	165	6970	146	2750	3930	111	1180
30	1640	24	106	8030	374	8740	3660	102	1010

31	---	---	---	14000	1540	59700	---	---	---

TOTAL	69600	---	9866	151420	---	154237	188840	---	278892


	JULY			AUGUST			SEPTEMBER

1	3110	92	770	803	80	174	1020	80	221
2	2640	82	586	773	81	168	968	75	196
3	2280	76	466	748	81	165	932	70	175
4	2200	69	411	1180	81	222	872	64	152
5	2080	65	366	1600	81	350	863	59	138

6	2380	66	418	1190	82	263	815	54	119
7	2570	67	464	1030	82	227	775	52	108
8	2300	68	426	934	82	207	735	51	101
9	2180	71	416	829	82	184	741	50	100
10	2560	73	505	835	82	186	731	49	96

11	2530	75	513	838	83	187	703	48	91
12	2240	75	455	874	78	186	627	48	80
13	2080	76	423	873	70	165	634	47	81
14	1850	76	379	878	70	166	598	47	75
15	1740	76	358	849	70	161	598	47	75

16	1600	76	330	809	70	154	610	46	76
17	1530	77	317	850	70	162	639	46	79
18	1460	77	302	853	70	163	645	45	79
19	1390	77	289	906	71	173	643	45	78
20	1240	77	259	827	72	160	608	45	73

21	1170	78	245	749	73	147	539	44	65
22	1090	78	231	714	74	142	543	44	64
23	1030	78	216	697	75	141	503	44	60
24	1030	78	217	680	76	138	526	43	62
25	1040	79	221	859	77	178	499	43	58

26	985	79	209	974	79	207	461	45	56
27	971	79	207	993	90	242	445	47	56
28	923	79	197	1520	96	392	437	48	57
29	849	80	182	1790	112	541	412	56	62
30	817	80	176	1360	93	344	450	91	106

31	835	80	180	1180	86	274	---	---	---

TOTAL	52700	---	10734	29995	---	6569	19572	---	2839

YEAR	787151		520497