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 to current year.
 

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) (653.74 ft NAVD 1988). 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, 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 7.2 91  196  76  82  121  122  71  37  24    e5.5 3.8
2 8.2 206  168  101  85  110  120  71  37  23    e5.3 3.6
3 7.4 108  157  141  84  106  114  68  37  22    e5.0 3.6
4 7.2 104  148  263  83  107  112  64  38  23    e4.7 4.2
5 6.7 99  130  155  87  101  109  62  39  23    e4.4 4.5
 
6 6.4 84  265  133  94  102  103  62  36  21    e4.2 5.7
7 6.6 73  435  e110  199  106  98  61  33  20    e4.0 4.1
8 16    63  359  e100  172  95  92  59  103  19    e4.0 4.0
9 13    60  275  e92  122  90  89  63  183  18    e5.7 4.1
10 7.8 57  232  e88  106  96  85  59  89  16    e7.0 3.6
 
11 6.4 55  206  e94  100  96  83  56  68  15    8.5 3.4
12 6.0 52  190  e130  95  91  103  55  59  15    9.8 3.2
13 7.2 50  160  e500  125  82  99  63  54  16    6.9 3.3
14 6.9 49  140  e300  456  80  86  59  52  15    5.7 13   
15 7.2 49  137  e250  285  77  83  56  49  13    e5.0 7.8
 
16 6.8 46  133  e210  230  78  81  54  45  12    e4.5 7.9
17 6.6 43  120  e180  193  e77  82  53  42  11    4.3 4.9
18 6.9 46  121  e160  161  e75  81  51  40  11    4.7 4.2
19 7.0 60  108  e150  145  e74  80  55  37  10    4.4 4.6
20 6.8 59  e90  e135  147  e71  79  52  36  9.8 13    4.0
 
21 6.9 53  e80  e125  143  e68  75  49  34  9.6 6.6 3.5
22 9.1 52  e72  e115  124  e67  92  49  33  9.3 5.0 3.3
23 63    52  e67  e110  120  81  98  46  32  9.0 4.3 3.2
24 37    55  e64  e102  120  86  93  43  31  8.6 4.1 5.8
25 21    55  e60  e98  119  309  90  42  30  8.3 4.7 6.7
 
26 22    53  e59  e94  116  267  86  42  29  15    5.2 5.5
27 34    245  e58  99  118  221  81  42  27  23    4.6 4.6
28 28    335  e58  97  128  199  75  42  26  11    4.3 5.1
29 27    214  e58  93  ---  174  75  42  26  7.7 4.1 5.6
30 41    214  e62  86  ---  160  73  42  25  6.3 4.0 4.5
 
31 32    ---  e68  82  ---  142  ---  39  ---  5.7 3.8 ---   

TOTAL 475.3 2782 4476 4469 4039 3609 2739 1672 1407 450.3 167.3 145.3
MEAN 15.3 92.7 144 144 144 116 91.3 53.9 46.9 14.5 5.40 4.84
MAX 63 335 435 500 456 309 122 71 183 24 13 13
MIN 6.0 43 58 76 82 67 73 39 25 5.7 3.8 3.2
CFSM 0.10 0.60 0.93 0.93 0.93 0.75 0.59 0.35 0.30 0.09 0.03 0.03
IN. 0.11 0.67 1.07 1.07 0.97 0.87 0.66 0.40 0.34 0.11 0.04 0.03
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 2005, BY WATER YEAR (WY)
MEAN 51.3 63.7 71.6 87.0 153 174 197 184 169 104 52.4 45.2
MAX 466 486 436 427 871 554 634 558 693 689 466 375
(WY) 1942 1978 1983 1974 1951 1979 1983 1973 1974 1969 1993 1989
MIN 0.93 1.87 0.84 0.50 2.44 13.8 11.3 11.3 9.95 6.91 3.48 2.13
(WY) 1957 1977 1977 1977 1989 1956 1956 1989 1977 1977 1988 1956

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1941 - 2005
ANNUAL TOTAL 38764.7     26431.2        
ANNUAL MEAN 106        72.4         112           
HIGHEST ANNUAL MEAN 334            1993
LOWEST ANNUAL MEAN 22.0         1977
HIGHEST DAILY MEAN 1800            May 30 500        A     Jan 13 7630            Feb 19 1951
LOWEST DAILY MEAN 6.0         Oct 12 3.2             Sep 12,23 0.40       Oct 6 1956
ANNUAL SEVEN-DAY MINIMUM 6.7         Oct 11 3.7             Sep 7 0.40       Jan 20 1977
MAXIMUM PEAK FLOW 650        A     Jan 13 8910        B Feb 19 1951
MAXIMUM PEAK STAGE 8.12           Jan 13 15.52   C Jun 23 1974
INSTANTANEOUS LOW FLOW 2.9             Sep 13,23 0.30       Oct 6 1956
ANNUAL RUNOFF (CFSM) 0.683 0.467     0.724    
ANNUAL RUNOFF (INCHES) 9.30   6.34       9.84      
10 PERCENT EXCEEDS 220        158            232           
50 PERCENT EXCEEDS 65        58            48           
90 PERCENT EXCEEDS 8.9     4.7         6.0        

A - Estimated due to backwater from ice.

B - Gage height, 13.41 ft., from flood mark.

C - Discharge, 5,760 ft3/s.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data