Station list     Available data
ILLINOIS RIVER BASIN


05552500       FOX RIVER AT DAYTON, IL

 

LOCATION.-- Lat 41°23'04", long 88°47'21" (NAD of 1927), in SW1/4SE1/4 sec.29, T.34 N., R.4 E., La Salle County, Hydrologic Unit 07120007, on left bank under County Highway 18 bridge in Dayton, and at mile 5.2.
 

DRAINAGE AREA.-- 2,642 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: November 1914 to current year. Prior to April 1925, published as "at Wedron." Monthly discharge only for some periods, published in WSP 1308.
 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978-92 and 1996.
 

SEDIMENT: February 2003 to current year.
 

MISCELLANEOUS: Sediment concentration and particle size, water years 1996-97, 2003-2005.

BIOLOGICAL
 

ALGAE: Water years 1990, 1996.
 

REVISED RECORDS.-- WSP 730: 1931. WSP 1208: 1930, 1935, 1939. WSP 1308: 1916(M), 1922(M), 1926-31(M), 1934-40(M), 1946-47(M). WDR IL-75-1: Drainage area. WDR IL-76-1: 1969.
 

GAGE.-- Water-stage recorder, phone telemeter, U.S. Army Corps of Engineers satellite telemeter, automatic water sampler, and crest-stage gage. Datum of gage is 462.30 ft above NGVD of 1929 (462.11 ft NAVD 1988). Prior to Apr. 13, 1925, nonrecording gage at site 4.1 mi upstream at datum 496.80 ft above Memphis datum. Apr. 13, 1925, to Sept. 30, 1942, nonrecording gage at site 1,000 ft upstream at datum 7.70 ft below NGVD of 1929 (7.51 ft NAVD 1988). Oct. 1, 1942, to Apr. 10, 1951, nonrecording gage, and Apr. 11, 1951, to Sept. 30, 1978, water-stage recorder, at site 1,000 ft upstream at same datum. Oct. 1, 1978 to June 11, 1997, water-stage recorder at site 500 ft upstream at same datum.
 

REMARKS.-- Regulation by hydropower plant upstream from gage.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 55,400 ft3/s, July 19, 1996, gage height, 24.47 ft, from rating curve extended above 43,000 ft3/s; affected by dam failure 500 ft upstream from gage then in use. Maximum gage height, 36.47 ft, Jan. 25, 1960, ice jam; minimum daily discharge, 1.0 ft3/s, Aug. 29, 1934, when turbines were shut down; minimum daily with plant operating, 78 ft3/s, Oct. 29, 1956.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 2,380 mg/L, June 1, 2004; minimum daily, 4 mg/L, Feb. 18-20, 2003.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 90,100 tons, June 1, 2004; minimum daily, 2.6 tons, Feb. 18, 2003.
 

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 451  919  2290  e1000  e1850  3410  2500  1230  918  466  412  215 
2 453  1540  2180  e1200  e1800  3190  2700  1200  895  362  390  207 
3 471  1660  2040  e1300  e1750  2990  2910  1180  842  315  344  191 
4 449  1520  1900  e1400  e1700  2880  2800  1150  837  344  341  155 
5 424  1680  1760  e1500  e2000  2690  2710  1140  930  390  307  149 
 
6 417  1600  1960  e1600  e3000  2450  2610  996  839  558  284  152 
7 420  1500  2970  1680  3920  2370  2620  906  794  574  275  154 
8 475  1490  4050  1910  4130  2500  2570  913  779  485  286  143 
9 784  1420  3480  1970  3430  2500  2430  946  797  438  269  129 
10 719  1320  3050  1900  3190  2680  2370  966  791  363  256  163 
 
11 558  1230  2830  1880  2960  2770  2350  1070  810  314  349  149 
12 589  1260  2560  2760  2840  2840  2390  1290  782  330  433  139 
13 582  1330  2300  8190  2860  2770  2940  1480  765  345  477  124 
14 587  1290  2120  e8000  4640  2590  2660  1400  735  344  622  141 
15 596  1270  1900  5430  5690  2500  2300  1370  773  336  504  147 
 
16 621  1270  2010  e4500  5440  2420  1910  1320  693  301  441  207 
17 536  1230  1780  e3500  4880  2350  1670  1330  689  278  406  255 
18 510  1170  1630  e3000  4640  2130  1630  1350  708  266  410  221 
19 506  1270  1370  e2700  4430  1920  1540  1520  682  239  480  212 
20 580  1330  1050  e2500  4430  1920  1480  2140  655  264  609  263 
 
21 622  1240  1640  e2300  4450  2000  1470  2090  620  273  891  207 
22 632  1210  1460  e2200  4190  2000  1580  1920  583  430  600  205 
23 747  1190  1290  e2200  3930  2060  1760  1710  500  390  458  171 
24 1170  1200  1190  e2200  3660  2060  1740  1510  464  400  389  221 
25 1010  1310  e1150  e2200  3390  2360  1640  1430  409  442  340  406 
 
26 884  1320  e1150  e2100  3070  2790  1510  1350  343  610  325  341 
27 869  1710  e1100  e2100  2900  2730  1380  1220  370  842  303  291 
28 881  2540  e1050  e2000  3140  2660  1310  1100  373  723  259  379 
29 882  2390  e1050  e2000  ---  2580  1250  1020  444  598  239  949 
30 953  2170  e1000  e2000  ---  2510  1240  984  424  488  229  938 
 
31 891  ---  e1000  e1900  ---  2620  ---  964  ---  434  198  --- 

TOTAL 20269 43579 58310 81120 98310 78240 61970 40195 20244 12942 12126 7624
MEAN 654 1453 1881 2617 3511 2524 2066 1297 675 417 391 254
MAX 1170 2540 4050 8190 5690 3410 2940 2140 930 842 891 949
MIN 417 919 1000 1000 1700 1920 1240 906 343 239 198 124
CFSM 0.25 0.55 0.71 0.99 1.33 0.96 0.78 0.49 0.26 0.16 0.15 0.10
IN. 0.29 0.61 0.82 1.14 1.38 1.10 0.87 0.57 0.29 0.18 0.17 0.11
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 2005, BY WATER YEAR (WY)
MEAN 1129 1481 1484 1471 2061 3241 3236 2470 1994 1262 929 960
MAX 5239 5444 7695 4941 5649 11290 9157 7575 6295 5988 4909 5141
(WY) 1955 1986 1983 1960 2001 1979 1979 1974 2004 1996 1924 1972
MIN 141 329 364 335 338 412 418 217 267 174 153 186
(WY) 1957 1954 1940 1940 1934 1934 1934 1934 1934 1934 1934 1946

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1915 - 2005
ANNUAL TOTAL 786331        534929           
ANNUAL MEAN 2148        1466            1808           
HIGHEST ANNUAL MEAN 3940            1993
LOWEST ANNUAL MEAN 330            1934
HIGHEST DAILY MEAN 14100            Jun 1 8190                Jan 13 46600            Jul 19 1996
LOWEST DAILY MEAN 412            Sep 29 124                Sep 13 1.0     A Aug 29 1934
ANNUAL SEVEN-DAY MINIMUM 441            Oct 1 141                Sep 8 120            Oct 8 1956
MAXIMUM PEAK FLOW 9540        B     Jan 13 55400        C Jul 19 1996
MAXIMUM PEAK STAGE 17.53   D     Jan 17 36.47   D Jan 25 1960
INSTANTANEOUS LOW FLOW 92        E     Sep 7,13
ANNUAL RUNOFF (CFSM) 0.813 0.555     0.684    
ANNUAL RUNOFF (INCHES) 11.07   7.53       9.30      
10 PERCENT EXCEEDS 4980        2890            4100           
50 PERCENT EXCEEDS 1300        1210            1180           
90 PERCENT EXCEEDS 588        282            377           

A - When turbines were shut down; lowest daily mean with plant operating, 78 ft3/s, Oct. 29, 1956.

B - Gage height, 11.38 ft.

C - Gage height, 24.47 ft, from rating curve extended above 43,000 ft3/s, affected by dam failure 500 ft. upstream from gage then in use.

D - Ice jam.

E - Result of regulation by hydro power plant.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data