Station list     Available data
HENDERSON CREEK BASIN


05469000       HENDERSON CREEK NEAR OQUAWKA, IL



LOCATION.-- Lat 41°00'05", long 90°51'15", in NE1/4SW1/4 sec.28, T.12 N., R.4 W., Henderson County, Hydrologic Unit 07080104, on left bank at downstream side of bridge on State Highway 94, 1 mi south of Bald Bluff, 6.5 mi northeast of Oquawka, and at mile 20.8.

DRAINAGE AREA.-- 432 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1934 to September 1996. October 1997 to current year. Prior to October 1938, published as Henderson River. Monthly discharge only for some periods, published in WSP 1308.
 

STAGE: Water years 1994-1996; 1998-2001.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978 to 1991. Additional chemical data for water years 1972-77 are published in Water-Resources Investigations 78-23 and 79-24 as site LD 02.
 

SEDIMENT: April 1978 to September 1981.

REVISED RECORDS.-- WSP 1208: 1939, 1942-43, 1948. WSP 1308: 1935-38(M), 1941(M). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and rain gage, and crest-stage gage. Datum of gage is 541.21 ft above sea level (levels by U.S. Army Corps of Engineers). Prior to Mar. 4, 1941, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 34,600 ft3/s, July 8, 1982, gage height, 31.05 ft; maximum gage height, 32.65 ft, July 25, 1993, discharge 30,800 ft3/s; minimum daily observed, 1.7 ft3/s, Sept. 22, 23, 1940.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 7,070 mg/L May 27, 1981; minimum daily mean, 6 mg/L Feb. 10, 11, 1981.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 33,900 tons Apr. 14, 1981; minimum daily, 0.87 tons Feb. 2-4, 1980.

REMARKS FOR CURRENT YEAR.-- Records good except those for Jan. 14 to Mar. 26, and those for estimated daily discharges, which are poor.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 44  44  e47  e52  e530  e1100  395  380  1670  262  69  23 
2 39  49  e46  e52  e450  e911  370  363  1270  244  82  28 
3 36  48  e44  e53  e400  e814  353  342  1020  306  143  20 
4 68  52  e42  e54  e350  e709  325  446  929  316  119  19 
5 141  53  e38  e55  e320  e611  355  434  1990  259  78  17 
 
6 101  56  e46  e55  e300  e557  663  569  2820  225  65  31 
7 83  93  e51  e56  e280  e516  632  809  1690  214  57  40 
8 67  118  e49  e56  e527  506  505  859  1190  204  52  54 
9 58  89  e47  e56  e3860  472  489  676  1010  202  50  60 
10 55  113  e44  e55  e4970  447  491  591  885  191  54  72 
 
11 55  120  e40  e55  e2500  464  582  1440  785  174  46  66 
12 52  87  e55  e54  e1500  467  1270  1440  704  160  43  47 
13 48  78  e72  e54  e1200  483  947  1010  644  150  40  35 
14 47  74  e67  e57  e1300  451  756  1500  592  141  37  29 
15 45  70  e63  e60  e1400  507  906  1490  632  134  36  28 
 
16 44  69  e59  e90  e1270  1250  1010  1030  611  127  43  25 
17 44  65  e57  e110  e905  1370  831  2810  525  127  41  22 
18 44  61  e55  e95  e700  1240  715  4370  494  155  43  39 
19 42  e55  e53  e87  e620  1100  656  2050  457  171  46  129 
20 41  e52  e52  e80  e570  960  606  1400  432  152  50  116 
 
21 39  e52  e51  e74  e530  831  581  2910  480  129  36  106 
22 41  e56  e50  e70  e500  740  606  1850  582  116  34  88 
23 43  e59  e49  e67  e480  663  656  1210  452  106  37  63 
24 42  e60  e48  e62  e2480  594  554  1040  404  98  41  59 
25 43  e59  e47  e58  e5880  536  540  919  372  158  39  58 
 
26 46  e57  e47  e55  e4000  496  587  998  348  133  36  48 
27 44  e54  e48  e53  e2030  487  521  1140  323  107  35  44 
28 47  e51  e48  e55  e1380  463  460  911  305  96  29  41 
29 45  e50  e49  e65  ---  452  418  786  289  92  25  39 
30 51  e49  e50  e80  ---  429  395  700  277  86  23  38 
 
31 48  ---  e51  e600  ---  411  ---  973  ---  76  22  --- 

TOTAL 1643 1993 1565 2525 41232 21037 18175 37446 24182 5111 1551 1484
MEAN 53.0 66.4 50.5 81.5 1473 679 606 1208 806 165 50.0 49.5
MAX 141 120 72 600 5880 1370 1270 4370 2820 316 143 129
MIN 36 44 38 52 280 411 325 342 277 76 22 17
CFSM .12 .15 .12 .19 3.41 1.57 1.40 2.80 1.87 .38 .12 .11
IN. .14 .17 .13 .22 3.55 1.81 1.57 3.22 2.08 .44 .13 .13
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2001, BY WATER YEAR (WY)
MEAN 152 179 181 248 379 461 501 474 460 315 145 133
MAX 1560 1189 1176 1265 1473 1752 1742 1829 1960 2967 1675 1222
(WY) 1942 1978 1983 1969 2001 1979 1973 1996 1974 1982 1993 1970
MIN 7.10 9.89 8.38 4.45 13.5 47.4 33.4 26.9 31.3 6.58 9.61 5.65
(WY) 1938 1938 1964 1940 1989 1956 1956 1989 1940 1936 1936 1940

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1935 - 2001
ANNUAL TOTAL 81652      157944         
ANNUAL MEAN 223      433          302         
HIGHEST ANNUAL MEAN 1002          1993
LOWEST ANNUAL MEAN 50.9       1989
HIGHEST DAILY MEAN 3670          Jun 26 5880      A     Feb 25 25800          Jul 25 1993
LOWEST DAILY MEAN 26          Sep 8 17              Sep 5 1.7   B C
ANNUAL SEVEN-DAY MINIMUM 28          Jan 25 22              Aug 30 2.1       Sep 17 1940
MAXIMUM PEAK FLOW 6810              Feb 25 34600      D Jul 8 1982
MAXIMUM PEAK STAGE 26.17         Feb 25 32.65 E Jul 25 1993
INSTANTANEOUS LOW FLOW 16              Sep 5-6
ANNUAL RUNOFF (CFSM) .52 1.00     .70    
ANNUAL RUNOFF (INCHES) 7.03 13.60     9.50    
10 PERCENT EXCEEDS 583      1100          674         
50 PERCENT EXCEEDS 90      113          128         
90 PERCENT EXCEEDS 35      41          19         

A - Estimated.
B - Observed.
C - Sept. 22, 23, 1940.
D - Gage height, 31.05 ft.
E - Discharge, 30,800 ft3/s.


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Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data