05532500 DATA: Discharge Tables, 2000

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 1994-2000.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1987-92 and 1999-2000.

SEDIMENT: April 1979 to September 1982.

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

BIOLOGICAL: Benthic macroinvertebrates, July 1999; fish, August 1999 and September 2000.

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, 9.48 ft., from information furnished by Metropolitan Sanitary District of Greater Chicago.

REMARKS FOR CURRENT YEAR.-- Records good.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	771	196	192	203	234	943	355	1250	1560	656	1210	196
2	521	196	188	195	221	875	334	1150	1560	554	1020	198
3	510	196	218	210	222	812	324	1010	1490	2060	738	185
4	1100	198	268	359	227	755	325	855	1370	2210	553	187
5	730	193	1490	292	220	688	309	729	1570	1790	497	184

6	488	202	1540	257	211	618	294	614	1820	1260	572	182
7	373	194	948	245	212	565	344	522	1770	989	840	178
8	318	195	592	229	221	495	752	484	1670	826	521	182
9	281	204	466	256	222	450	706	1430	1550	701	452	198
10	254	216	369	401	279	413	592	1440	1400	1350	389	193

11	240	223	306	431	329	384	552	1170	1420	1790	331	538
12	236	228	270	374	299	367	517	1310	1690	1750	284	2510
13	229	236	251	329	272	359	490	1650	1690	1310	252	2110
14	216	208	248	287	268	341	471	1030	1740	956	245	1570
15	205	199	293	267	264	380	441	856	2100	760	242	1200

16	218	211	295	258	270	566	450	845	2080	685	229	888
17	222	206	266	239	272	374	1280	834	2310	667	574	670
18	201	202	278	236	293	335	1020	895	2480	629	663	525
19	198	196	267	233	336	322	1050	1640	2570	567	421	454
20	181	205	261	213	366	572	3120	1990	2560	473	323	459

21	189	201	242	212	397	663	4540	2120	2490	401	280	610
22	174	206	229	214	700	613	4440	2060	2160	363	264	729
23	178	359	206	227	1080	575	3850	1950	1770	326	250	1460
24	165	364	218	208	1520	613	3100	1900	1560	302	242	1770
25	167	234	211	218	1840	608	2470	1890	2120	295	226	1470

26	174	204	203	212	1630	555	2040	1800	1850	281	221	1070
27	168	195	201	207	1340	544	1830	1700	1600	273	285	864
28	172	191	202	207	1150	484	1640	1910	1270	253	239	771
29	180	190	209	203	1010	454	1520	1690	1020	317	231	676
30	180	193	210	217	---	419	1370	1490	795	489	214	620

31	191	---	204	227	---	395	---	1430	---	628	206	---

TOTAL	9430	6441	11341	7866	15905	16537	40526	41644	53035	25911	13014	22847
MEAN	304	215	366	254	548	533	1351	1343	1768	836	420	762
MAX	1100	364	1540	431	1840	943	4540	2120	2570	2210	1210	2510
MIN	165	190	188	195	211	322	294	484	795	253	206	178
CFSM	.48	.34	.58	.40	.87	.85	2.14	2.13	2.81	1.33	.67	1.21
IN.	.56	.38	.67	.46	.94	.98	2.39	2.46	3.13	1.53	.77	1.35

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1944 - 2000, BY WATER YEAR (WY)
MEAN	309	401	434	444	540	1003	1107	751	573	387	352	319
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 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1944 - 2000
ANNUAL TOTAL	286923		264497
ANNUAL MEAN	786		723		551
HIGHEST ANNUAL MEAN					1092	1993
LOWEST ANNUAL MEAN					111	1963
HIGHEST DAILY MEAN	5610	Apr 24	4540	Apr 21	9180	Aug 15 1987
LOWEST DAILY MEAN	130	Sep 12	165	Oct 24	.00	Aug 23 1962
ANNUAL SEVEN-DAY MINIMUM	137	Sep 6	171	Oct 22	1.5	Oct 19 1953
INSTANTANEOUS PEAK FLOW			4660	Apr 21	9770	Aug 15 1987
INSTANTANEOUS PEAK STAGE			7.00	Apr 21	9.90	Aug 15 1987
INSTANTANEOUS LOW FLOW			158	Oct 24, 27		A
ANNUAL RUNOFF (CFSM)	1.25		1.15		.87
ANNUAL RUNOFF (INCHES)	16.94		15.62		11.89
10 PERCENT EXCEEDS	1940		1770		1370
50 PERCENT EXCEEDS	432		396		297
90 PERCENT EXCEEDS	172		198		36

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