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, 473 mg/L, May 2; minimum daily, 4 mg/L, Feb. 18-20.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 5,450 tons, May 2; minimum daily, 2.6 tons, Feb. 18.

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	565	---	---	686	---	---	658	---	---
2	567	---	---	636	---	---	640	---	---
3	678	---	---	595	---	---	720	---	---
4	1120	---	---	616	---	---	554	---	---
5	1480	---	---	654	---	---	657	---	---

6	1400	---	---	702	---	---	482	---	---
7	1280	---	---	695	---	---	547	---	---
8	1180	---	---	664	---	---	773	---	---
9	1070	---	---	638	---	---	511	---	---
10	924	---	---	612	---	---	618	---	---

11	847	---	---	607	---	---	772	---	---
12	738	---	---	654	---	---	748	---	---
13	727	---	---	684	---	---	655	---	---
14	702	---	---	675	---	---	614	---	---
15	668	---	---	664	---	---	589	---	---

16	646	---	---	700	---	---	602	---	---
17	642	---	---	725	---	---	566	---	---
18	654	---	---	719	---	---	610	---	---
19	624	---	---	802	---	---	742	---	---
20	592	---	---	1000	---	---	689	---	---

21	604	---	---	1810	---	---	606	---	---
22	614	---	---	1700	---	---	538	---	---
23	614	---	---	1750	---	---	483	---	---
24	624	---	---	1260	---	---	475	---	---
25	669	---	---	1260	---	---	440	---	---

26	722	---	---	1250	---	---	532	---	---
27	746	---	---	1150	---	---	546	---	---
28	882	---	---	1080	---	---	688	---	---
29	898	---	---	897	---	---	680	---	---
30	835	---	---	692	---	---	811	---	---

31	718	---	---	---	---	---	762	---	---

TOTAL	25030	---	---	26577	---	---	19308	---	---


	JANUARY			FEBRUARY			MARCH

1	818	---	---	e540	---	---	e430	6	7.5
2	1160	---	---	e540	---	---	e430	7	7.8
3	1320	---	---	e540	---	---	e440	7	8.3
4	903	---	---	e540	---	---	e440	7	8.5
5	629	---	---	e540	---	---	e450	7	9.0

6	586	---	---	e540	---	---	e450	8	9.3
7	589	---	---	e540	---	---	e440	8	9.4
8	563	---	---	e540	---	---	e440	8	9.6
9	541	---	---	e540	---	---	e450	8	10
10	562	---	---	e550	---	---	e450	9	10

11	e640	---	---	e550	---	---	e450	9	11
12	e520	---	---	e550	---	---	e450	9	11
13	e560	---	---	e550	---	---	e480	9	12
14	e610	---	---	e550	---	---	e480	9	12
15	e640	---	---	e540	---	---	e470	10	12

16	e650	---	---	e540	---	---	e500	10	14
17	e640	---	---	e520	---	---	e580	11	17
18	e630	---	---	e500	4	2.6	724	12	24
19	e620	---	---	e470	4	5.4	752	13	27
20	e630	---	---	e430	4	5.2	849	14	33

21	e630	---	---	e390	5	4.9	854	16	38
22	e640	---	---	e380	5	5.0	858	19	44
23	e640	---	---	e420	5	5.8	966	22	57
24	e610	---	---	e430	5	6.2	1000	22	59
25	e580	---	---	e430	6	6.5	971	18	47

26	e570	---	---	e430	6	6.7	1010	22	60
27	e560	---	---	e430	6	7.0	1050	19	55
28	e570	---	---	e430	6	7.3	1060	20	57
29	e580	---	---	---	---	---	1160	34	107
30	e540	---	---	---	---	---	1170	20	63

31	e520	---	---	---	---	---	1140	16	51

TOTAL	20251	---	---	13950	---	---	21394	---	900.4


	APRIL			MAY			JUNE

1	1090	14	42	1750	272	1590	1510	76	309
2	1040	14	39	4250	473	5450	1520	72	293
3	1050	15	43	3290	320	2900	1430	68	261
4	1280	22	76	2540	132	911	1380	63	236
5	1910	51	273	3150	237	2290	1350	59	216

6	2030	59	326	4270	338	3930	1290	55	191
7	1770	40	191	3740	214	2160	1200	51	165
8	1750	25	118	3440	198	1840	1230	47	155
9	1520	23	96	4860	270	3660	1450	43	171
10	1360	22	81	5640	229	3510	1320	44	157

11	1330	21	75	5620	207	3190	1250	45	153
12	1200	20	64	6260	274	4670	1170	46	146
13	1200	19	61	4880	159	2110	1270	48	162
14	1190	18	57	4130	128	1440	1220	49	160
15	1110	16	49	3990	131	1420	1160	50	155

16	996	15	41	3850	104	1080	1110	51	153
17	996	15	40	3380	75	685	1050	52	148
18	1290	21	72	3080	81	677	1050	55	155
19	1230	21	69	2840	90	685	1180	59	189
20	1080	15	43	2690	87	636	1240	61	206

21	931	12	31	2440	78	514	1400	60	226
22	736	12	23	2200	71	423	1070	54	157
23	821	16	36	2080	72	405	825	52	117
24	880	20	47	1680	74	335	731	52	102
25	867	19	44	1470	76	301	698	52	97

26	861	18	41	1410	78	296	677	52	94
27	843	16	37	1360	80	292	685	52	95
28	684	15	28	1330	82	293	656	52	91
29	507	16	22	1310	83	295	673	52	94
30	569	21	33	1220	84	277	663	52	92

31	---	---	---	1360	80	293	---	---	---

TOTAL	34121	---	2198	95510	---	48558	33458	---	4946


	JULY			AUGUST			SEPTEMBER

1	637	52	89	892	45	111	360	37	36
2	617	52	86	1310	75	268	430	37	43
3	599	52	83	1440	91	351	378	37	38
4	570	52	79	1460	72	283	295	37	30
5	603	52	84	1310	55	194	267	37	27

6	706	56	108	1170	52	163	237	38	24
7	909	65	158	1150	50	156	240	38	24
8	983	64	170	1100	48	144	239	38	24
9	1300	75	278	905	47	114	e230	38	22
10	1550	85	357	842	45	103	225	38	22

11	1460	49	192	785	44	92	232	38	22
12	1260	32	108	722	42	82	242	38	24
13	1230	30	98	669	40	73	215	38	22
14	1140	38	117	668	39	70	216	38	22
15	1430	152	611	647	37	65	379	38	39

16	2030	168	926	631	36	61	354	39	35
17	1780	72	351	509	34	47	305	39	32
18	2800	240	1830	433	32	38	335	39	31
19	2030	221	1220	422	34	39	302	39	29
20	1720	121	567	397	36	39	266	39	26

21	1720	52	240	376	36	37	241	39	26
22	1670	48	215	315	36	29	252	40	27
23	1340	46	165	398	36	34	279	40	29
24	1150	44	135	388	36	33	259	40	28
25	998	41	112	298	37	28	253	41	28

26	885	39	94	e280	37	29	295	41	33
27	768	52	110	e310	37	28	364	46	46
28	1120	109	331	366	37	30	469	47	59
29	1110	91	273	e290	37	29	368	43	43
30	950	68	174	e300	37	29	318	41	12

31	811	51	112	308	37	31	---	---	---

TOTAL	37876	---	9473	21091	---	2830	8845	---	903

e Estimated