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.

 

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. 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. 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 2003 TO SEPTEMBER 2004
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 288  342  1160  1160  e640  e1350  4990  1760  14100  3110  803  1020 
2 264  414  1080  1190  e700  1620  4500  1940  10700  2640  773  968 
3 273  815  1030  1170  e680  1720  4110  1900  9120  2280  748  932 
4 249  1610  1030  1200  e620  1910  3790  1810  8060  2200  1180  872 
5 253  2740  1060  1230  e620  4360  3520  1650  7350  2080  1600  863 
 
6 296  3040  1090  849  e600  6520  3280  1410  6750  2380  1190  815 
7 327  2600  1030  553  e600  5710  3020  1410  6190  2570  1030  775 
8 308  2330  973  1250  e600  4980  2600  1410  5390  2300  934  735 
9 301  2210  979  1350  e600  4620  2330  1420  4810  2180  829  741 
10 248  2070  1980  1210  e600  4360  2140  1530  4620  2560  835  731 
 
11 274  1860  4570  1030  e620  3980  2030  1590  5810  2530  838  703 
12 268  1560  3960  936  e610  3460  1980  1970  10900  2240  874  627 
13 302  1340  3310  862  e600  3240  1930  2400  13000  2080  873  634 
14 292  1180  2900  864  e600  3140  1790  4060  8840  1850  878  598 
15 598  1230  2590  778  e600  3110  1670  5860  7120  1740  849  598 
 
16 676  1200  2350  849  e600  2980  1560  5330  5880  1600  809  610 
17 464  1210  2210  872  e590  2390  1470  4710  5320  1530  850  639 
18 477  1750  2050  705  e580  2200  1410  4760  4530  1460  853  645 
19 401  3240  1950  668  e570  2240  1310  5870  4240  1390  906  643 
20 343  2600  1770  e740  e560  2240  1260  5760  4000  1240  827  608 
 
21 323  2060  1810  e880  e560  2200  1710  5800  3940  1170  749  539 
22 327  1790  1770  e800  e580  2120  1800  7480  4470  1090  714  543 
23 312  1670  1630  e730  e640  2050  1690  10300  4580  1030  697  503 
24 345  1750  1390  e680  e750  2080  1710  9430  4450  1030  680  526 
25 409  1620  1190  e620  e950  2640  2030  8290  4460  1040  859  499 
 
26 444  1520  1290  e580  e900  3040  2280  7810  4350  985  974  461 
27 410  1490  1310  e560  e1000  4190  2090  7520  4190  971  993  445 
28 385  1430  1220  e520  e1100  4270  2040  7240  4080  923  1520  437 
29 361  1350  1260  e520  e1250  5650  1920  6970  3930  849  1790  412 
30 344  1260  1290  e560  ---  5830  1640  8030  3660  817  1360  450 
 
31 313  ---  1240  e600  ---  5410  ---  14000  ---  835  1180  --- 

TOTAL 10875 51281 54472 26516 19920 105610 69600 151420 188840 52700 29995 19572
MEAN 351 1709 1757 855 687 3407 2320 4885 6295 1700 968 652
MAX 676 3240 4570 1350 1250 6520 4990 14000 14100 3110 1790 1020
MIN 248 342 973 520 560 1350 1260 1410 3660 817 680 412
CFSM 0.13 0.65 0.67 0.32 0.26 1.29 0.88 1.85 2.38 0.64 0.37 0.25
IN. 0.15 0.72 0.77 0.37 0.28 1.49 0.98 2.13 2.66 0.74 0.42 0.28
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 2004, BY WATER YEAR (WY)
MEAN 1134 1481 1479 1458 2045 3248 3249 2484 2009 1271 934 968
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 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 1915 - 2004
ANNUAL TOTAL 403124        780801           
ANNUAL MEAN 1104        2133            1812           
HIGHEST ANNUAL MEAN 3940            1993
LOWEST ANNUAL MEAN 330            1934
HIGHEST DAILY MEAN 6260            May 12 14100                Jun 1 46600            Jul 19 1996
LOWEST DAILY MEAN 215            Sep 13 248                Oct 10 1.0     A Aug 29 1934
ANNUAL SEVEN-DAY MINIMUM 228            Sep 8 279                Oct 1 120            Oct 8 1956
MAXIMUM PEAK FLOW 15000                May 31 55400        B Jul 19 1996
MAXIMUM PEAK STAGE 13.64           May 31 36.47   C Jan 25 1960
INSTANTANEOUS LOW FLOW 85        D     Oct 20,24,30,31
ANNUAL RUNOFF (CFSM) 0.418 0.807     0.686    
ANNUAL RUNOFF (INCHES) 5.68   10.99       9.32      
10 PERCENT EXCEEDS 2130        4980            4100           
50 PERCENT EXCEEDS 843        1300            1180           
90 PERCENT EXCEEDS 307        492            378           

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

B - 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.

C - Ice jam.

D - Result of regulation by hydropower plant.



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data