Station list     Available data
ILLINOIS RIVER BASIN


05555300       VERMILION RIVER NEAR LEONORE, IL

 

LOCATION.-- Lat 41°12'30", long 88°55'51" (NAD of 1927), in SW1/4SW1/4 sec.30, T.32 N., R.3 E., La Salle County, Hydrologic Unit 07130002, on left downstream side of bridge on County Highway 57 (Red, White and Blue Bridge Road), 3 mi northeast of Leonore, 6.2 mi downstream from Otter Creek, 8 mi northwest of Streator, and at mile 17.2.

 

DRAINAGE AREA.-- 1,251 mi2. Area at site used prior to October 1971, 1,278 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: May 1931 to current year. Prior to October 1971, published as "at Lowell."

 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY

 

CHEMICAL: Water years 1978 to 1991.

 

SEDIMENT: June 1980 to September 1981.

 

MISCELLANEOUS: Contaminants in streambed sediments, July 1996; contaminants in fish tissue, July 1996.

 

REVISED RECORDS.-- WSP 745: 1931-32. WSP 1308: 1932(M), 1935-38(M), 1940(M), 1942(M). WDR IL-75-1: Drainage area.

 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and crest-stage gage. Datum of gage is 520.58 ft above NGVD of 1929. Prior to Aug. 20, 1952, nonrecording gage at site 6.8 mi downstream at datum 19.97 ft lower. Aug. 20, 1952 to Sept. 30, 1971, nonrecording gage at site 6.7 mi downstream at datum 19.97 ft lower.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 33,500 ft3/s, July 15, 1958, gage height, 15.30 ft, from graph based on gage readings, site and datum then in use; maximum gage height, 27.13 ft, Dec. 4, 1982, present site and datum (discharge 31,800 ft3/s); minimum discharge, 2.6 ft3/s, Aug. 3, 1988.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 6,730 mg/L Aug. 15, 1981; minimum daily mean, 1 mg/L Feb. 5, 1981.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 209,000 tons Aug. 15, 1981; minimum daily, 0.24 ton Feb. 5, 1981.

 

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
115   47 596 355 e180 279 3750 1130 8610 252 56 351 
215   57 514 337 e175 285 3110 1420 5140 235 51 246 
315   52 443 332 e180 290 2390 1330 3450 218 53 176 
416   49 413 345 e180 302 1870 1190 2510 219 219 135 
515   90 419 347 e175 1100 1490 1060 1960 210 237 108 
 
615   72 415 472 e170 3400 1240 930 1610 212 124 92 
715   73 402 437 e175 2880 1100 872 1340 215 76 77 
813   71 397 411 e180 1990 995 1040 1130 193 65 64 
912   84 490 428 e170 1470 874 983 957 188 55 54 
1012   75 776 340 e165 1120 756 870 878 200 43 49 
 
1111   68 1190 312 e160 908 670 759 961 403 34 44 
1210   63 1300 298 e155 755 617 1090 1840 814 29 41 
139.154 958 292 e150 670 574 1270 2350 611 29 36 
14e16   47 775 289 e145 595 548 1510 1890 534 26 32 
1524   44 671 258 e140 536 519 2590 1590 524 24 31 
 
1615   45 605 281 e135 511 485 3260 1240 443 21 63 
1712   45 541 318 e135 489 463 2490 999 340 18 46 
1815   100 504 369 e130 473 445 1890 840 268 22 46 
1915   1740 463 463 e130 448 421 1590 748 239 32 43 
2017   4850 391 367 e240 418 424 1710 650 223 39 54 
 
2118   3730 380 400 e370 384 503 1480 596 193 126 61 
2220   2290 388 350 e850 362 705 1260 585 168 107 54 
2320   1570 416 268 e940 347 796 1170 545 135 83 44 
2420   1300 404 e250 e740 346 668 1060 479 118 83 38 
2525   1810 552 e240 e650 345 858 1190 423 104 83 33 
 
2625   1620 507 e220 530 361 1780 1750 386 92 96 29 
2744   1210 443 e220 385 644 1530 1920 353 82 239 27 
2837   955 403 e210 327 1780 1190 1540 331 74 1420 26 
2940   785 394 e200 293 2310 969 1190 302 68 1220 25 
3058   676 392 e190 --- 3220 852 1850 279 66 693 23 
 
3152   --- 377 e185 --- 3350 --- 8530 --- 62 463 --- 

TOTAL646.123672169199784835532368325925192444972770358662148
MEAN20.8789546316288104410861675149924818971.6
MAX584850130047294034003750853086108141420351
MIN9.144377185130279421759279621823
CFSM0.020.630.440.250.230.830.871.341.200.200.150.06
IN.0.020.700.500.290.250.960.971.541.340.230.170.06

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1972 - 2004, BY WATER YEAR (WY)
MEAN43670794884813051968180316481379703318372
MAX318849786201425941597649509851524442296626783997
(WY)198719861983199320011979198219951980199319811993
MIN11.411.411.46.3638.149.120824178.58.836.8911.8
(WY)197219721977197720032000197719921988198819881999

SUMMARY STATISTICSFOR 2003 CALENDAR YEARFOR 2004 WATER YEARWATER YEARS 1972 - 2004
ANNUAL TOTAL155018.5    236949.1    
ANNUAL MEAN425       647       1034       
HIGHEST ANNUAL MEAN2419       1993
LOWEST ANNUAL MEAN267       2000
HIGHEST DAILY MEAN4850           Nov 208610           Jun 130000       Dec 4 1982
LOWEST DAILY MEAN9.1        Oct 139.1        Oct 132.6    Aug 3 1988
ANNUAL SEVEN-DAY MINIMUM11           Aug 2512           Oct 73.0    Jul 30 1988
MAXIMUM PEAK FLOW10800           Jun 131800       Dec 4 1982
MAXIMUM PEAK STAGE16.57      Jun 127.13  Dec 4 1982
INSTANTANEOUS LOW FLOW8.0        Oct 132.6    Aug 3 1988
ANNUAL RUNOFF (CFSM)0.3390.5180.826
ANNUAL RUNOFF (INCHES)4.61  7.05  11.23  
10 PERCENT EXCEEDS1170       1600       2560       
50 PERCENT EXCEEDS166       348       383       
90 PERCENT EXCEEDS18       29       25       



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data