Station list     Available data
ILLINOIS RIVER BASIN


05543500       ILLINOIS RIVER AT MARSEILLES, IL

 

LOCATION.-- Lat 41°19'37", long 88°43'03" (NAD of 1927), in SE1/4SW1/4 sec.13, T.33 N., R.4 E., La Salle County, Hydrologic Unit 07120005, on right bank 0.5 mi downstream from Marseilles Dam in Marseilles, 6.9 mi upstream from Fox River, and at mile 246.5.
 

DRAINAGE AREA.-- 8,259 mi2, does not include diversion from Lake Michigan through the Chicago Sanitary and Ship Canal, which has occurred since Jan. 17, 1900.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1919 to current year. Prior to October 1939, published as "at Morris."
 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1975-96.
 

SEDIMENT: February 2003 to current year.
 

SPECIFIC CONDUCTANCE: Water years 1975-81.
 

WATER TEMPERATURE: Water years 1975-81.
 

MISCELLANEOUS: Water Year 1998; Contaminants in streambed sediments, October 1996; contaminants in fish tissue, October 1996; sediment concentration and particle size, water years 1993-97, 2003.

BIOLOGICAL
 

ALGAE: Water year 1989.
 

REVISED RECORDS.-- WDR IL-75-1: Drainage area.
 

GAGE.-- Water-stage recorder, phone telemeter, automatic water sampler, and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 452.91 ft above NGVD of 1929. October 1919 to January 1935, nonrecording gage at site at Morris, 16.6 mi upstream, at datum 25.59 ft higher. January 1935 to September 1939, water-stage recorder 300 ft downstream from Morris site at that datum. October 1939 to September 2002, water-stage recorder at current site at datum 10 ft. higher.
 

REMARKS.-- Figures of daily discharge include flow through navigation locks. Flow regulated by powerplants and navigation dam above station. Since Jan. 17, 1900, flow has included diversion from Lake Michigan through Chicago Sanitary and Ship Canal. Suspended sediment samples were collected twice weekly with additionl samples during high-runoff periods by an automatic water sampler.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 95,000 ft3/s, Feb. 22, 1997, gage height, 26.85 ft, present datum; minimum daily discharge, 461 ft3/s, Nov. 21, 2002.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 307 mg/L, June 13, 2004; minimum daily, 6 mg/L, Jan. 28 - Feb. 6, 2004.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 42,100 tons, June 13, 2004; minimum daily, 37 tons, Feb. 4, 2004.
 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: A stage of 26.2 ft at Morris occurred in 1831, discharge not determined, and a stage of 35.4 ft (ice jam) occurred at present site and datum on Jan. 21, 1916, estimated discharge, 40,000 ft3/s.
 

REMARKS FOR CURRENT YEAR.-- Records good except those for Feb. 4 to March 2, which are fair, and 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 4040  4070  10600  10900  e4600  7380  21000  7400  39000  7710  4170  19600 
2 2640  6650  10500  10700  e4000  8360  19600  8160  30900  6040  5750  18900 
3 4510  9310  8830  10200  e4400  8960  16800  6690  26900  7950  3400  15400 
4 2460  9320  8340  9420  2460  10500  14500  6490  22100  11000  9620  13600 
5 3050  13300  10200  10000  4770  22400  11700  7280  20300  8850  9570  11800 
 
6 2820  13300  10300  9900  4920  28500  12200  6360  17400  8600  8230  10600 
7 2990  11300  10300  10100  4340  27500  9570  5880  14200  9380  7300  8750 
8 2870  8110  9700  9750  4880  23000  8740  5890  13200  8110  6390  9240 
9 3110  7190  10200  8350  5380  18500  9250  7840  11400  8590  5290  8400 
10 1810  8340  14200  7310  3940  17300  7420  6000  12400  8680  6010  8310 
 
11 3620  4990  17900  7220  3920  14000  7530  6390  16700  9240  4870  7460 
12 3200  5320  17400  7850  4350  12700  7450  7270  33900  8440  4690  6890 
13 2740  5970  15100  7430  4700  12500  6840  9130  50600  10100  4370  6690 
14 5150  5830  12800  6130  4400  10800  6400  17500  45400  9460  4930  5420 
15 5470  4850  12200  7180  4160  11500  5350  18400  39400  8960  4780  5990 
 
16 5940  4610  10500  6630  4010  9230  6990  16900  35500  7560  4920  7890 
17 4760  5160  9780  5820  3420  9130  6130  15400  29600  6220  4720  5770 
18 4280  13800  9790  6480  4560  9840  6070  14200  25600  6970  3010  5560 
19 4510  25900  8970  4820  4990  8810  5240  13000  22300  5320  5290  4750 
20 4630  26500  7430  5100  5630  8920  6590  12700  20900  6790  6530  4770 
 
21 2870  20800  8810  5710  8300  8240  7580  12200  19300  6620  6130  4650 
22 4080  17400  6580  4710  9050  8080  7400  14700  18200  6580  5580  3530 
23 3390  16600  7360  5080  10400  7500  7910  16400  15900  6600  6640  4740 
24 3430  19300  6490  4230  10000  8530  7460  15500  13200  6950  8220  3790 
25 4870  20100  8240  5450  9270  9090  7490  15000  11000  6400  8280  3320 
 
26 4220  17100  9800  4250  8960  9280  9710  14600  9800  6140  10600  4070 
27 3970  15800  9250  e3800  8440  12600  7980  14200  9630  6040  16100  4140 
28 4860  14200  8820  e4500  7320  16300  7840  13700  8540  6780  31100  3420 
29 3550  12900  8810  e3700  7930  22400  6340  12800  8070  5090  32400  4650 
30 4880  12300  8900  e4600  ---  26500  6680  15800  7950  5180  27900  3110 
 
31 4220  ---  10300  e2300  ---  22600  ---  33400  ---  5240  22600  --- 

TOTAL 118940 360320 318400 209620 167500 430950 271760 377180 649290 231590 289390 225210
MEAN 3837 12010 10270 6762 5776 13900 9059 12170 21640 7471 9335 7507
MAX 5940 26500 17900 10900 10400 28500 21000 33400 50600 11000 32400 19600
MIN 1810 4070 6490 2300 2460 7380 5240 5880 7950 5090 3010 3110
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1920 - 2004, BY WATER YEAR (WY)
MEAN 7500 8466 9603 9862 11670 14960 16040 13830 11880 9323 7804 7628
MAX 21050 24180 30100 28430 25970 41290 33180 35180 25940 21020 19220 22770
(WY) 1927 1986 1983 1993 1997 1979 1922 1943 1993 1957 1924 1993
MIN 3155 2278 3551 2899 2906 4748 6516 5649 4346 4687 4242 3345
(WY) 2003 2000 2003 2003 2003 2003 1986 1988 1988 1988 1939 1999

SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 1920 - 2004
ANNUAL TOTAL 3063890  3650150     
ANNUAL MEAN 8394  9973      10700         
HIGHEST ANNUAL MEAN 17850          1993
LOWEST ANNUAL MEAN 5583          1964
HIGHEST DAILY MEAN 36800      Jul 19 50600          Jun 13 89600          Feb 22 1997
LOWEST DAILY MEAN 1740      Feb 21 1810          Oct 10 461      A Nov 21 2002
ANNUAL SEVEN-DAY MINIMUM 2370      Jan 17 2730          Oct 4 1990      B Jan 9 1999
MAXIMUM PEAK FLOW 52200          Jun 13 95000          Feb 22 1997
MAXIMUM PEAK STAGE 20.37     Jun 13 26.85 C Feb 22 1997
INSTANTANEOUS LOW FLOW 761          Oct 4
10 PERCENT EXCEEDS 18000  18600      19300         
50 PERCENT EXCEEDS 5720  8080      8870         
90 PERCENT EXCEEDS 2770  4120      4450         

A - Due to temporary dam closure.

B - Estimated due to backwater from ice.

C - Present datum.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data