05583000 DATA: Discharge Tables, 2004

Station list Available data
ILLINOIS RIVER BASIN

05583000 SANGAMON RIVER NEAR OAKFORD, IL


LOCATION.-- Lat 40°07'26", long 89°59'06" (NAD of 1927), in NW1/4SE1/4 sec.3, T.19 N., R.8 W., Mason County, Hydrologic Unit 07130008, on right bank at downstream side of bridge on State Highway 97, 300 ft upstream from a railroad bridge, 0.8 mi downstream from Crane Creek, 1.8 mi northwest of Oakford, and at mile 25.7.

DRAINAGE AREA.-- 5,093 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1909 to March 1912, August 1914 to June 1919, March 1921 to August 1922, October 1928 to December 1933, October 1939 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 1978-94 and 1998.
	SEDIMENT: Water years 1981, June 1983 to September 1986, water years 1995-1997.
	SPECIFIC CONDUCTANCE: Water years 1979-81.
	WATER TEMPERATURE: Water years 1976-77, 1979-81.
	MISCELLANEOUS: Contaminants in streambed sediments, August 1996; contaminants in fish tissue, August 1996; streambank sediment size, October 1997; streambed sediment size, October 1997; sediment concentration and particle size, water years 1993-94, 1996-98.
BIOLOGICAL
	ALGAE: Water year 1981.
	BENTHIC MACROINVERTEBRATES: Water year 1996.
	FISH: Water year 1997.
	HABITAT: Water year 1996.

REVISED RECORDS.-- WSP 715: 1922(M). WSP 1175: 1912(M). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and artificial control. Datum of gage is 452.88 ft above NGVD of 1929 (U.S. Army Corps of Engineers bench mark). Prior to Jan. 1, 1934, nonrecording gage at site 2.4 mi upstream at datum 458.66 ft above NGVD of 1929. Oct. 1, 1939, to May 14, 1940, nonrecording gage at present site at NGVD of 1929.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 123,000 ft³/s, May 20, 1943, gage height, 25.63 ft; minimum daily, 45 ft³/s, estimated, Jan. 21-31, 1918.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 3,540 mg/L, June 9, 1984; minimum daily, 1 mg/L, Dec. 7, 8, 1996, Jan. 11, 1997.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 120,000 tons, Feb. 24, 1985; minimum daily, 1.6 tons, Dec. 7, 1996.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	563	511	5180	3410	e1950	2570	13300	3130	12800	2620	1020	3720
2	537	506	4590	3830	e1900	2480	13300	3460	11300	2450	974	2930
3	529	510	4100	4630	e1860	2550	13000	3700	8650	2270	937	2650
4	514	518	3760	4900	e1820	2400	12500	3690	7350	2240	892	2170
5	511	569	3540	5710	e1780	3020	11600	3450	6930	2380	874	1790

6	508	709	3320	7520	e1740	5890	10100	3220	6680	2250	871	1510
7	502	757	3150	8080	e1720	7640	8820	2990	6240	2160	827	1330
8	495	693	3020	8550	e1700	7780	7480	2760	6010	2140	789	1230
9	495	698	2920	8670	e1680	7680	6360	2660	5550	1980	760	1160
10	505	700	2960	8400	e1650	7430	5830	2780	4650	2350	751	1130

11	720	685	3040	7990	e1620	7160	5240	2700	5240	3720	727	1110
12	724	668	2770	7210	e1600	6570	4580	2700	7240	4830	741	1030
13	649	673	2660	6290	e1590	5590	3870	2750	7340	4900	723	946
14	605	658	2920	5280	e1580	4640	3790	3180	6550	3840	708	895
15	727	643	2810	4440	e1570	4030	3730	4700	7910	3300	675	872

16	859	640	2710	4060	e1560	3660	3410	7610	10400	3030	654	882
17	734	645	2650	3800	e1550	3370	3260	8380	9190	2730	635	1010
18	681	1510	2470	3560	e1550	3030	3150	8530	9000	2610	630	985
19	619	5480	2350	3740	e1600	2840	3020	8710	9050	2380	643	872
20	607	9550	2300	3830	e1900	2660	2920	10600	8630	2170	689	809

21	587	9610	2190	3840	2730	2510	2860	10200	8050	1970	659	775
22	568	8530	2140	3650	3390	2380	2920	9710	7250	1720	675	746
23	552	7830	2270	3370	3410	2320	2800	9260	6060	1570	649	729
24	548	7600	3080	e3000	3300	2410	2950	8510	4930	1430	677	711
25	560	7850	4540	e2700	3220	2590	3830	14600	4480	1320	791	695

26	565	7870	5030	e2400	3220	2820	4700	16400	4020	1280	1960	680
27	606	7590	5010	e2500	3110	5960	4540	14300	3580	1260	3120	668
28	583	7030	4990	e2300	2930	9470	4120	12100	3210	1190	3540	659
29	562	6360	4980	e2200	2720	10800	3710	10400	2970	1110	3260	654
30	551	5740	4630	e2050	---	12300	3300	9490	2780	1060	4120	650

31	525	---	4050	e2000	---	12500	---	10800	---	1030	4540	---

TOTAL	18291	103333	106130	143910	61950	159050	174990	217470	204040	71290	39511	35998
MEAN	590	3444	3424	4642	2136	5131	5833	7015	6801	2300	1275	1200
MAX	859	9610	5180	8670	3410	12500	13300	16400	12800	4900	4540	3720
MIN	495	506	2140	2000	1550	2320	2800	2660	2780	1030	630	650
CFSM	0.12	0.68	0.67	0.91	0.42	1.01	1.15	1.38	1.34	0.45	0.25	0.24
IN.	0.13	0.75	0.78	1.05	0.45	1.16	1.28	1.59	1.49	0.52	0.29	0.26

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1910 - 2004, BY WATER YEAR (WY)
MEAN	1251	1712	2481	3306	4408	5399	6254	6325	4874	2850	1626	1130
MAX	12180	13180	18250	19580	14010	19590	25140	30570	20730	11480	15000	13180
(WY)	1994	1986	1983	1950	1968	1979	1922	1943	1974	1981	1981	1993
MIN	118	98.1	102	78.9	186	287	526	598	699	302	184	70.0
(WY)	1915	1915	1915	1918	1931	1941	1931	1954	1988	1911	1922	1922

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1910 - 2004
ANNUAL TOTAL	858649		1335963
ANNUAL MEAN	2352		3650		3476
HIGHEST ANNUAL MEAN					8523	1993
LOWEST ANNUAL MEAN					516	1954
HIGHEST DAILY MEAN	13900	Jul 12	16400	May 26	120000	May 20 1943
LOWEST DAILY MEAN	486	Aug 28	495	Oct 8,9	45 A	B
ANNUAL SEVEN-DAY MINIMUM	504	Oct 4	504	Oct 4	45 A	Jan 21 1918
MAXIMUM PEAK FLOW			16800	May 26	123000	May 20 1943
MAXIMUM PEAK STAGE			15.24	May 26	25.63	May 20 1943
INSTANTANEOUS LOW FLOW			484	Oct 9
ANNUAL RUNOFF (CFSM)	0.462		0.717		0.682
ANNUAL RUNOFF (INCHES)	6.27		9.76		9.27
10 PERCENT EXCEEDS	5030		8530		8940
50 PERCENT EXCEEDS	1670		2780		1630
90 PERCENT EXCEEDS	576		649		305

	A - Estimated.
	B - Jan 21-23, 1918.