05532500 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05532500 DES PLAINES RIVER AT RIVERSIDE, IL

LOCATION.-- Lat 41°49'20", long 87°49'15", in SW1/4SW1/4 sec.36, T.39 N., R.12 E., Cook County, Hydrologic Unit 07120004, on left bank 400 ft downstream from bridge on Barry Point Road in Riverside, 500 ft downstream from Hoffman Dam, 4,000 ft downstream from Salt Creek, and at mile 44.3.

DRAINAGE AREA.-- 630 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: October 1943 to current year. Monthly discharge only for some periods, published in WSP 1308.

STAGE: Water years 1994-2001.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1987-92 and 1999 to current.

SEDIMENT: April 1979 to September 1982.

MISCELLANEOUS: Contaminants in streambed sediments, August 1998; contaminants in fish tissue, August 1998.

BIOLOGICAL

BENTHIC MACROINVERTEBRATES: Water year 1999.

FISH: Water years 1999 and 2000.

HABITAT: Water year 1999.

REVISED RECORDS.-- WSP 1174: 1944, 1948. WSP 1308: 1944(M). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and rain gage, and concrete dam. Datum of gage is 594.68 ft above sea level. Prior to Nov. 27, 1946, nonrecording gage at bridge 400 ft upstream at same datum.

REMARKS.-- Occasional regulation by gates at Hoffman Dam.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 9,770 ft³/s, Aug. 15, 1987, gage height, 9.90 ft; no flow Aug. 22-24, 1962, and part of Sept. 5, 1968, Aug. 31, Oct. 7, 1974.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 297 mg/L Apr. 12, 1979; minimum daily mean, 3 mg/L Jan. 24, Feb. 1, 3, 4, 1982
SUSPENDED-SEDIMENT LOADS: Maximum daily, 3,240 tons Apr. 12, 1979; minimum daily, 1.5 tons Feb. 3, 4, 1982.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of Mar. 18, 1919, reached a discharge of 7,450 ft³/s, gage height, 9.43 ft., present datum, from information furnished by Metropolitan Sanitary District of Greater Chicago.

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

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	563	246	469	e290	1420	1350	574	701	1260	232	225	1700
2	516	275	463	e295	1160	1290	567	612	1490	232	802	693
3	470	298	441	e305	918	1270	579	539	1380	289	471	543
4	1580	253	421	e315	866	1230	552	499	1040	234	298	421
5	1110	242	417	e320	799	1170	555	455	1180	196	238	337

6	828	252	384	e325	749	1080	1270	429	1370	192	223	311
7	669	1090	370	e330	693	991	1050	558	1140	417	265	974
8	563	1030	369	e325	773	910	788	567	968	452	461	523
9	494	1310	345	e315	2620	839	742	524	879	308	257	513
10	443	2040	331	e305	3490	764	764	494	806	256	686	531

11	388	1810	345	e300	3520	749	752	1410	766	226	479	464
12	359	1350	303	e310	2900	742	1140	2010	1130	212	310	425
13	335	1220	e320	e400	2320	791	1190	1720	1270	193	275	354
14	309	1140	e330	529	2080	730	1050	1150	1220	189	247	317
15	290	974	e340	801	2060	826	1160	997	1200	184	226	287

16	310	860	e340	924	1920	1450	1070	1070	1030	182	559	263
17	302	811	e330	874	1750	1570	984	1010	939	214	542	255
18	283	737	e320	802	1470	1530	906	882	994	366	419	343
19	270	660	e315	739	1330	1430	854	781	1020	270	698	1940
20	265	590	e310	676	1190	1340	959	713	952	231	675	3160

21	258	524	e300	611	1040	1290	1340	743	962	215	434	3920
22	247	455	e290	555	897	1230	1210	757	949	301	443	3440
23	246	407	e285	544	796	1150	1180	716	809	1030	1380	2760
24	294	403	e280	508	1030	1040	1560	634	693	695	1360	2420
25	e280	381	e275	462	2180	942	1300	718	562	1040	1590	1760

26	278	531	e270	429	2120	847	1150	802	449	742	1750	1330
27	288	508	e270	416	1770	e750	1090	1380	394	441	987	1020
28	277	488	e270	389	1480	e700	980	1260	320	318	752	826
29	269	469	e275	454	---	640	856	1040	292	272	489	684
30	266	477	e280	1390	---	593	770	876	263	244	392	575

31	268	---	e285	1590	---	570	---	794	---	233	2250	---

TOTAL	13318	21831	10343	16828	45341	31804	28942	26841	27727	10606	20183	33089
MEAN	430	728	334	543	1619	1026	965	866	924	342	651	1103
MAX	1580	2040	469	1590	3520	1570	1560	2010	1490	1040	2250	3920
MIN	246	242	270	290	693	570	552	429	263	182	223	255
CFSM	.68	1.16	.53	.86	2.57	1.63	1.53	1.37	1.47	.54	1.03	1.75
IN.	.79	1.29	.61	.99	2.68	1.88	1.71	1.58	1.64	.63	1.19	1.95

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1944 - 2001, BY WATER YEAR (WY)
MEAN	311	406	432	446	558	1003	1104	753	579	386	357	332
MAX	2224	2056	2211	1711	1830	3499	3050	2362	1922	1355	2306	2035
(WY)	1987	1986	1983	1960	1997	1979	1993	1996	1996	1993	1987	1972
MIN	4.27	11.8	15.2	11.2	28.9	77.8	184	79.4	69.7	26.5	8.46	11.9
(WY)	1954	1954	1945	1945	1963	1945	1945	1946	1963	1944	1944	1946

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1944 - 2001
ANNUAL TOTAL	282777		286853
ANNUAL MEAN	773		786		555
HIGHEST ANNUAL MEAN					1092	1993
LOWEST ANNUAL MEAN					111	1963
HIGHEST DAILY MEAN	4540	Apr 21	3920	Sep 21	9180	Aug 15 1987
LOWEST DAILY MEAN	178	Sep 7	182	Jul 16	.00	Aug 23 1962
ANNUAL SEVEN-DAY MINIMUM	185	Sep 2	200	Jul 11	1.5	Oct 19 1953
MAXIMUM PEAK FLOW			4040	Sep 21	9770	Aug 15 1987
MAXIMUM PEAK STAGE			6.58	Sep 21	9.90	Aug 15 1987
INSTANTANEOUS LOW FLOW			178	Jul 16		A
ANNUAL RUNOFF (CFSM)	1.23		1.25		.88
ANNUAL RUNOFF (INCHES)	16.70		16.94		11.97
10 PERCENT EXCEEDS	1780		1440		1370
50 PERCENT EXCEEDS	475		612		303
90 PERCENT EXCEEDS	227		267		37

	A - No flow Aug. 22-24, 1962 and part of Sept. 5, 1968, Aug. 31, Oct. 7, 1974.