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). 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 May 15 - June 12, which are fair, and those for July 1 - Aug. 20 and estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 11    7.1 e5.8 7.1 e4.8 e5.8 14  2570  60  36  16    11   
2 12    6.8 e6.4 7.1 e5.2 e5.5 14  515  62  35  15    9.9
3 11    6.7 e5.7 6.8 e5.6 e5.2 13  224  67  34  13    7.3
4 14    6.7 e5.1 7.2 e6.4 e5.5 14  346  60  36  13    6.2
5 14    6.8 e5.0 6.5 e7.0 e5.9 17  1060  56  33  12    5.8
 
6 11    6.7 e4.8 6.0 e6.6 e5.4 16  323  61  31  12    5.5
7 9.4 6.7 e4.7 7.4 e6.0 e5.2 16  219  67  29  12    5.5
8 8.8 6.7 e4.6 6.2 e5.4 e5.3 16  209  59  44  11    5.3
9 8.7 6.6 e4.6 4.8 e5.0 e5.4 15  1490  55  131  10    5.2
10 8.6 6.6 e4.5 e5.5 e4.7 e5.7 14  581  60  195  11    5.1
 
11 8.6 6.4 e4.5 e6.4 e4.4 e30    14  551  61  88  10    5.1
12 8.0 6.0 e4.4 e7.4 e4.3 151    13  292  57  52  10    6.0
13 7.5 6.1 e4.8 e6.4 e4.2 346    13  229  56  40  11    9.4
14 7.3 6.3 e5.1 e5.8 e4.1 170    13  290  53  34  11    11   
15 6.9 6.1 e5.6 e5.5 e4.1 161    12  433  49  30  10    7.3
 
16 6.7 5.9 e6.2 e5.1 e4.1 72    13  229  47  27  8.8 6.0
17 6.6 5.9 8.1 e4.7 e4.1 47    18  193  46  24  7.8 5.4
18 6.9 5.9 10    e4.5 e4.2 35    16  165  46  22  8.0 5.2
19 6.9 6.0 17    e4.4 e4.4 31    15  150  44  22  7.7 5.3
20 7.1 5.9 9.2 e4.2 e4.8 27    17  136  42  20  7.5 5.5
 
21 7.1 6.0 8.5 e4.1 e5.6 25    16  116  42  166  7.5 6.8
22 7.0 5.9 7.6 e4.0 e6.7 21    14  112  41  56  7.2 7.9
23 7.1 5.7 e7.0 e3.9 e8.5 19    13  109  40  30  6.9 6.8
24 7.6 5.7 e6.4 e3.8 e10    17    13  106  39  25  6.5 6.5
25 9.3 e6.0 e7.4 e3.7 e8.7 17    14  91  40  22  6.3 5.9
 
26 8.8 e6.4 9.2 e3.6 e7.6 16    14  80  53  20  6.4 6.8
27 8.3 e5.9 8.9 e3.7 e6.7 15    13  75  42  19  6.0 7.2
28 7.5 e6.0 8.9 e3.8 e6.2 17    14  77  40  19  6.0 7.7
29 7.4 e6.2 8.4 e4.0 ---    18    16  71  39  18  6.3 6.6
30 7.0 e5.6 6.4 e4.2 ---    16    291  69  37  16  6.1 6.3
 
31 7.1 ---    5.9 e4.4 ---    15    ---  66  ---  15  7.1 ---   

TOTAL 265.2 187.3 210.7 162.2 159.4 1320.9 711 11177 1521 1369 289.1 201.5
MEAN 8.55 6.24 6.80 5.23 5.69 42.6 23.7 361 50.7 44.2 9.33 6.72
MAX 14 7.1 17 7.4 10 346 291 2570 67 195 16 11
MIN 6.6 5.6 4.4 3.6 4.1 5.2 12 66 37 15 6.0 5.1
CFSM 0.06 0.04 0.04 0.03 0.04 0.27 0.15 2.33 0.33 0.28 0.06 0.04
IN. 0.06 0.04 0.05 0.04 0.04 0.32 0.17 2.68 0.37 0.33 0.07 0.05
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 2003, BY WATER YEAR (WY)
MEAN 52.5 64.0 69.2 86.6 154 176 201 183 171 106 53.7 46.4
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 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1941 - 2003
ANNUAL TOTAL 40842.2       17574.3      
ANNUAL MEAN 112          48.1       113         
HIGHEST ANNUAL MEAN 334          1993
LOWEST ANNUAL MEAN 22.0       1977
HIGHEST DAILY MEAN 2870              May 12 2570              May 1 7630          Feb 19 1951
LOWEST DAILY MEAN 4.4   A     Dec 12 3.6   A     Jan 26 0.40     Oct 6 1956
ANNUAL SEVEN-DAY MINIMUM 4.6   A     Dec 6 3.8   A     Jan 22 0.40     Jan 20 1977
MAXIMUM PEAK FLOW 4320              May 1 8910      B Feb 19 1951
MAXIMUM PEAK STAGE 13.88         May 1 15.52 C Jun 23 1974
INSTANTANEOUS LOW FLOW unknown          0.30     Oct 6 1956
ANNUAL RUNOFF (CFSM) 0.72     0.31     0.73    
ANNUAL RUNOFF (INCHES) 9.80     4.22     9.92    
10 PERCENT EXCEEDS 276          76          235         
50 PERCENT EXCEEDS 32          8.6       48         
90 PERCENT EXCEEDS 6.4       4.9       6.0      

A - Estimated due to backwater from ice.

B - Gage height, 13.41 ft., from floodmark.

C - Discharge, 5,760 ft3/s.


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Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data