Station list     Available data
ILLINOIS RIVER BASIN


05584500       LA MOINE RIVER AT COLMAR, IL

 

LOCATION.-- Lat 40°19'49", long 90°53'46" (NAD of 1927), in SE1/4SW1/4 sec.18, T.4 N., R.4 W., McDonough County, Hydrologic Unit 07130010, on right bank at downstream side of bridge on State Highway 61, 0.2 mi downstream from a railroad bridge, 1 mi southwest of Colmar, 1.8 mi upstream from Troublesome Creek, and at mile 61.8.

 

DRAINAGE AREA.-- 655 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: October 1944 to current year.

 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY

 

CHEMICAL: Water years 1975-91 and 1998.

 

MISCELLANEOUS: Contaminants in streambed sediments, July 1997; contaminants in fish tissue, July 1997; streambank sediment size, October 1997; streambed sediment size, October 1997.

BIOLOGICAL

 

BENTHIC MACROINVERTEBRATES: Water years 1996-1998.

 

FISH: Water year 1997 and 1998.

 

HABITAT: Water years 1996-1998.

 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and crest-stage gage. Datum of gage is 491.53 ft above NGVD of 1929. Prior to July 13, 1945, nonrecording gage at same site and datum.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 38,900 ft3/s, Mar. 5, 1985, gage height, 26.61 ft; maximum gage height, 27.03 ft, Jan. 3, 1965, ice jam; no flow part of each day Dec. 8, 9, 12, 13, 17, 21, 1955, due to temporary dam upstream; no flow Oct. 19, 1988.

 

REMARKS FOR CURRENT YEAR.-- Records good except those for Aug. 4-15, which are fair, and those for estimated daily discharges, which are poor.


Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
120 29 e24 37 e30 e60 83 276 134 148 42   652   
220 29 e23 40 e35 e51 73 429 127 125 53   342   
322 28 e22 40 e40 e47 68 321 124 109 48   121   
426 26 e20 38 e47 e49 81 262 139 99 31   64   
526 27 e19 38 e60 e45 114 768 130 89 27   39   
 
631 26 21 37 e54 e44 133 809 125 81 25   27   
733 26 22 33 e44 e46 133 452 167 72 23   20   
829 28 21 40 e36 e64 161 340 201 183 21   15   
924 25 19 39 e33 e90 160 433 181 1920 19   13   
1020 25 21 34 e30 e120 142 884 159 1740 18   11   
 
1118 26 20 e26 e29 e140 124 2110 191 1200 16   10   
1216 25 22 e29 e28 e96 114 1800 177 755 15   9.3
1315 24 22 e27 e28 e150 104 835 150 351 15   12   
1415 25 22 e24 e30 e270 94 595 140 231 15   52   
1515 25 25 e22 e50 251 86 501 126 178 15   53   
 
1614 25 27 e21 e155 187 83 431 112 148 13   43   
1714 24 29 e20 e135 170 161 369 100 123 12   32   
1815 23 41 e20 e115 160 176 328 93 737 11   23   
1915 24 97 e19 e95 146 155 297 89 1200 11   19   
2016 25 109 e19 e80 144 143 275 88 333 9.915   
 
2116 24 103 e19 e150 131 142 248 89 184 9.514   
2216 23 69 e19 e340 116 132 217 77 135 8.934   
2316 23 50 e18 e270 96 115 204 73 105 8.3192   
2415 23 40 e18 e200 82 106 196 71 84 7.893   
2517 23 e34 e19 e130 76 306 189 74 71 7.659   
 
2619 22 e35 e19 e92 80 433 179 312 62 7.645   
2723 e22 36 e20 e82 80 258 163 614 55 7.440   
2823 e22 34 e21 e68 81 188 151 341 53 7.362   
2926 e22 33 e23 --- 99 185 142 212 55 8.250   
3027 e23 35 e25 --- 109 163 154 171 54 38   33   
 
3130 --- 37 e27 --- 99 --- 139 --- 50 45   ---   

TOTAL632742113283124863379441614497478710730595.52194.3
MEAN20.424.736.526.888.810914746816034619.273.1
MAX3329109403402704332110614192053652
MIN1422191828446813971507.39.3
CFSM0.030.040.060.040.140.170.220.710.240.530.030.11
IN.0.040.040.060.050.140.190.250.820.270.610.030.12

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 2003, BY WATER YEAR (WY)
MEAN258258261339542709818786708456167253
MAX35022693268620772384373431934471308141948994024
(WY)198719861983197420011985197319951974199319931961
MIN0.672.612.543.335.7030.522.920.821.13.892.821.75
(WY)198919901990195619891956195619561988198819881988

SUMMARY STATISTICSFOR 2002 CALENDAR YEARFOR 2003 WATER YEARWATER YEARS 1945 - 2003
ANNUAL TOTAL272937     46421.8  
ANNUAL MEAN748     127     462         
HIGHEST ANNUAL MEAN1347         1993
LOWEST ANNUAL MEAN23.1      1989
HIGHEST DAILY MEAN22700         May 132110         May 1135600         Mar 5 1985
LOWEST DAILY MEAN14         Oct 16, 177.3      Aug 280.00    Oct 19 1988
ANNUAL SEVEN-DAY MINIMUM15         Oct 137.7      Aug 230.12    Oct 16 1988
MAXIMUM PEAK FLOW2270         May 1138900      AMar 5 1985
MAXIMUM PEAK STAGE15.95    May 1127.03 BJan 3 1965
INSTANTANEOUS LOW FLOW7.1      Aug 28
ANNUAL RUNOFF (CFSM)1.140.190.70    
ANNUAL RUNOFF (INCHES)15.502.649.58    
10 PERCENT EXCEEDS1520     270     1010         
50 PERCENT EXCEEDS145     48     125         
90 PERCENT EXCEEDS22     16     10         

A - Gage height, 26.61 ft.

B - Ice jam.



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data