05567500 DATA: Discharge Tables, 2004

Station list Available data
ILLINOIS RIVER BASIN

05567500 MACKINAW RIVER NEAR CONGERVILLE, IL


LOCATION.-- Lat 40°37'25", long 89°14'30" (NAD of 1927), in NE1/4SW1/4 sec.17, T.25 N., R.1 W., Woodford County, Hydrologic Unit 07130004, on right bank at downstream side of bridge on U.S. Highway 150, 0.2 mi downstream from Walnut Creek, 2 mi northwest of Congerville, and at mile 58.7.

DRAINAGE AREA.-- 767 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1944 to current year.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	SEDIMENT: June 1983 to September 1983.
BIOLOGICAL
	BENTHIC MACROINVERTEBRATES: Water year 1997.

REVISED RECORDS.-- WSP 1175: 1948. WSP 1308: 1945(M). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 607.01 ft above NGVD of 1929. Prior to July 11, 1945, nonrecording gage at same site and datum.

REMARKS.-- The City of Bloomington occasionally pumps water upstream from station into Lake Evergreen for municipal supply. The City of Bloomington also withdraws water from Lake Bloomington, which is on Money Creek, a tributary to the Mackinaw River. Water withdrawals are diverted via effluent to Sugar Creek basin.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 44,800 ft³/s, Dec. 4, 1982, gage height, 20.21 ft, from floodmark; minimum, 0.2 ft³/s, Oct. 21-24, Oct. 27 to Nov. 3, 1956, Oct. 6, 1957, Oct. 8-10, 1963.

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	18	27	312	209	e85	132	2800	589	5590	178	40	34
2	17	25	262	203	e85	138	2110	595	4100	160	38	32
3	16	26	232	214	e87	135	1580	545	2250	152	35	27
4	16	27	225	211	e90	132	1260	516	1640	150	37	24
5	17	42	229	204	e85	563	1030	500	1330	156	39	22

6	17	50	228	146	e80	1350	890	456	1130	150	41	21
7	17	37	206	155	e82	1070	806	418	976	173	36	19
8	18	34	201	213	e85	790	732	386	847	136	33	18
9	18	34	213	222	e82	641	641	368	741	117	32	17
10	17	31	285	181	e80	528	556	353	725	191	31	17

11	17	31	341	166	e78	455	514	339	1120	493	27	17
12	16	30	366	170	e76	400	467	369	1800	550	27	15
13	16	27	316	172	e74	355	433	423	1470	359	27	14
14	19	27	296	164	e72	333	415	489	1070	584	26	14
15	19	28	286	168	e70	312	391	1010	875	562	25	15

16	21	28	272	166	e68	293	382	1250	762	377	24	37
17	25	28	244	155	e66	293	354	1010	676	264	25	38
18	26	74	220	147	e65	279	338	944	607	203	34	44
19	24	581	209	121	e90	259	338	1680	538	167	46	45
20	23	1930	181	131	e150	238	298	1710	473	139	41	33

21	19	1800	208	153	e250	222	376	1320	466	118	33	27
22	18	872	206	144	387	199	406	1060	527	102	30	23
23	17	687	204	133	274	194	355	937	437	89	29	21
24	17	638	326	122	202	205	330	833	367	78	28	19
25	27	808	400	e115	182	210	677	957	319	68	36	18

26	25	670	341	e110	156	256	1020	1610	288	60	67	18
27	29	539	298	e105	141	728	812	1470	262	54	89	16
28	35	450	286	e100	135	1240	692	1140	242	52	91	16
29	33	388	275	e96	129	1400	604	905	219	48	68	16
30	29	347	249	e92	---	1670	506	1340	197	46	46	15

31	28	---	234	e88	---	2310	---	5280	---	43	36	---

TOTAL	654	10316	8151	4776	3506	17330	22113	30802	32044	6019	1217	692
MEAN	21.1	344	263	154	121	559	737	994	1068	194	39.3	23.1
MAX	35	1930	400	222	387	2310	2800	5280	5590	584	91	45
MIN	16	25	181	88	65	132	298	339	197	43	24	14
CFSM	0.03	0.45	0.34	0.20	0.16	0.73	0.96	1.30	1.39	0.25	0.05	0.03
IN.	0.03	0.50	0.40	0.23	0.17	0.84	1.07	1.49	1.55	0.29	0.06	0.03

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 2004, BY WATER YEAR (WY)
MEAN	186	263	382	447	632	919	1043	928	778	371	174	212
MAX	2765	3340	4062	2808	2218	3157	3136	4216	3322	2687	2734	4330
(WY)	1987	1986	1983	1993	2001	1979	1973	1995	1974	1951	1981	1993
MIN	0.59	2.47	2.40	6.01	14.9	32.0	91.7	114	21.6	6.09	1.22	1.84
(WY)	1957	1964	1964	1945	1963	2000	2000	1958	1963	1988	1988	1988

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1945 - 2004
ANNUAL TOTAL	111600		137620
ANNUAL MEAN	306		376		527
HIGHEST ANNUAL MEAN					1672	1993
LOWEST ANNUAL MEAN					78.2	1989
HIGHEST DAILY MEAN	7550	Jul 10	5590	Jun 1	34000	Dec 4 1982
LOWEST DAILY MEAN	15	Mar 5	14	Sep 13,14	0.20 A
ANNUAL SEVEN-DAY MINIMUM	17	Feb 28	16	Sep 9	0.20	Oct 27 1956
MAXIMUM PEAK FLOW			5760	Jun 1	44800	Dec 4 1982
MAXIMUM PEAK STAGE			11.17	Jun 1	20.21 B	Dec 4 1982
INSTANTANEOUS LOW FLOW			13	C	0.20 D
ANNUAL RUNOFF (CFSM)	0.399		0.490		0.687
ANNUAL RUNOFF (INCHES)	5.41		6.67		9.33
10 PERCENT EXCEEDS	655		986		1270
50 PERCENT EXCEEDS	134		180		180
90 PERCENT EXCEEDS	19		21		12

	A - Oct. 21-24, Oct. 27 to Nov. 3, 1956.
	B - From floodmark.
	C - Sept. 14, 15, 29.
	D - Oct. 21-24, Oct. 27 to Nov. 3, 1956; Oct. 6, 1957; Oct. 8-10, 1963.