Station list     Available data
EDWARDS RIVER BASIN


05466000       EDWARDS RIVER NEAR ORION, IL

 

LOCATION.-- Lat 41°16'19", long 90°22'39" (NAD of 1927), in NE1/4SE1/4 sec.21, T.15 N., R.1 E., Henry County, Hydrologic Unit 07080104, on left bank at downstream side of bridge on U.S. Highway 150, 1.5 mi north of Opheim, 5.5 mi south of Orion, and at mile 51.5.

 

DRAINAGE AREA.-- 155 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: October 1940 to current year. Monthly discharge only for some periods, published in WSP 1308.

 

STAGE: Water years 1994-2002.

 

REVISED RECORDS.-- WSP 1175: 1947(P). WSP 1508: 1942. WDR IL-75-1: Drainage area.

 

GAGE.-- Water-stage recorder, phone telemeter and crest-stage gage. Datum of gage is 653.96 ft above NGVD of 1929 (U.S. Army Corps of Engineers bench mark). Prior to Apr. 4, 1941, and Apr. 8 to Nov. 11, 1981, nonrecording gage at same site and datum.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,910 ft3/s, Feb. 19, 1951, gage height, 13.41 ft, from floodmarks; maximum gage height, 15.52 ft, June 23, 1974, discharge, 5,760 ft3/s; minimum discharge, 0.3 ft3/s, Oct. 6, 1956.

 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of August 1924 reached a stage of 20.2 ft, from floodmarks.

 

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

DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
17.727 25 e21 52 e80 67 249 182 114 27 15 
27.524 24 e20 45 e74 90 220 169 107 26 15 
37.324 24 e20 33 e70 103 188 163 103 25 14 
48.722 22 e20 32 e130 87 172 1360 95 25 14 
524   22 22 e21 40 e115 81 162 1540 88 78 14 
 
616   23 24 e22 32 107 76 163 543 156 34 14 
711   22 24 e22 30 99 119 147 406 118 27 13 
88.622 23 e23 31 385 603 140 335 95 24 13 
97.622 22 e23 27 387 797 163 289 87 23 13 
109.421 22 e24 50 218 457 138 258 79 22 e12 
 
1110   21 22 e24 56 177 359 850 285 86 22 e12 
1210   21 23 e23 54 154 297 2870 278 75 21 e12 
1313   20 43 e22 55 139 251 921 1170 68 21 e11 
1420   21 40 e21 53 126 229 662 572 64 21 e11 
1515   20 34 e20 62 114 208 482 414 60 20 e11 
 
1613   19 33 e20 76 96 185 414 334 56 20 e11 
1711   19 32 e20 74 95 170 365 288 53 19 e12 
1811   18 32 e21 67 90 159 318 255 51 18 13 
1911   18 31 e22 85 85 148 286 229 52 41 13 
2010   19 29 e22 276 83 135 257 210 48 27 13 
 
2110   19 29 e23 281 81 156 235 192 45 20 13 
2212   19 32 e23 182 80 150 220 180 42 19 14 
23161   19 38 e24 152 82 138 216 168 39 73 14 
2491   26 e32 e24 132 75 180 209 156 37 43 13 
2573   31 e27 25 114 72 223 649 157 35 24 13 
 
2647   25 e26 25 e100 70 174 391 157 34 21 13 
2737   30 e25 24 e93 67 273 308 197 41 19 12 
2833   27 e24 24 e90 67 487 268 145 37 18 12 
2930   25 e23 24 --- 68 322 239 130 34 17 12 
3029   27 e22 24 --- 65 276 219 122 32 16 11 
 
3128   --- e21 47 --- 63 --- 198 --- 29 16 --- 

TOTAL782.867385071823743614700012319108842060827383
MEAN25.2522.4327.4223.1684.79116.6233.3397.4362.866.4526.6812.77
MAX161314347281387797287015401567815
MIN7.3182120276367138122291611
CFSM0.160.140.180.150.550.751.512.562.340.430.170.08
IN.0.190.160.200.170.570.871.682.962.610.490.200.09

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 2002, BY WATER YEAR (WY)
MEAN53.2664.9170.2487.88156.4177.7203.7179.8172.6106.954.3747.08
MAX466486436427871554634558693689466375
(WY)194219781983197419511979198319731974196919931989
MIN0.931.870.840.502.4413.811.311.39.956.913.482.13
(WY)195719771977197719891956195619891977197719881956

SUMMARY STATISTICSFOR 2001 CALENDAR YEARFOR 2002 WATER YEARWATER YEARS 1941 - 2002
ANNUAL TOTAL63940.6      42484.8  
ANNUAL MEAN175.2      116.4  114.2      
HIGHEST ANNUAL MEAN334         1993
LOWEST ANNUAL MEAN22.0      1977
HIGHEST DAILY MEAN3650      A    Feb 92870         May 127630         Feb 19 1951
LOWEST DAILY MEAN7.3          Oct 37.3      Oct 30.40    Oct 6 1956
ANNUAL SEVEN-DAY MINIMUM7.7          Sep 279.9      Oct 70.40    Jan 20 1977
MAXIMUM PEAK FLOW3880         May 128910      BFeb 19 1951
MAXIMUM PEAK STAGE14.17    May 1215.52 CJun 23 1974
INSTANTANEOUS LOW FLOW7.1      D0.30    Oct 6 1956
ANNUAL RUNOFF (CFSM)1.13    0.750.74    
ANNUAL RUNOFF (INCHES)15.35    10.2010.01    
10 PERCENT EXCEEDS384         276     237         
50 PERCENT EXCEEDS40         37     49         
90 PERCENT EXCEEDS10         13     6.0      

A - Estimated from graphic reconstruction.

B - Gage height, 13.41 ft. from floodmark.

C - Discharge, 5,760 ft3/s.

D - Oct. 2-4, 9-10; but may have been less during period when orifice was dry, Sept. 10-17.



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data