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.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data