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;1998-2000.
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; minimum 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 May 31 to June 2 and July 6 to Aug. 2, which are fair, and those for estimated daily discharges, which are poor.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 71  27  29  e45  e29  429  118  292  1950  652  166  34 
2 56  26  33  56  e29  386  122  289  1120  589  151  31 
3 54  26  29  44  e30  329  123  263  784  580  133  29 
4 76  28  28  38  e30  305  118  247  656  670  121  29 
5 94  32  63  e33  e31  278  110  231  590  1420  113  28 
 
6 58  36  156  e41  e31  248  108  219  509  933  117  28 
7 43  38  94  e37  e32  226  111  213  447  701  114  27 
8 37  38  52  e34  e32  213  121  208  410  594  106  26 
9 34  35  61  e42  e33  205  114  230  371  534  109  27 
10 33  34  127  59  e35  189  104  321  338  644  108  35 
 
11 32  36  111  69  e40  172  110  278  319  855  94  37 
12 30  35  70  55  e37  167  111  259  381  651  82  52 
13 28  30  57  e36  e35  161  98  231  1180  545  78  57 
14 28  28  49  e40  e36  154  97  201  956  471  77  59 
15 28  28  47  e44  e38  152  97  189  1040  421  74  78 
 
16 30  27  46  e36  e40  150  99  200  724  382  64  58 
17 31  26  49  e33  e45  141  122  216  579  346  58  42 
18 40  27  40  e29  e50  131  131  207  484  324  55  34 
19 31  27  e36  e31  e46  149  126  182  425  321  52  29 
20 28  27  e32  e35  e43  183  598  165  426  303  50  37 
 
21 30  27  e35  e33  e41  207  1500  158  738  278  48  57 
22 28  28  e33  e31  e120  179  973  156  603  255  46  67 
23 27  30  e31  e30  274  164  709  175  516  240  48  165 
24 26  34  e29  e29  292  165  589  174  1990  221  51  232 
25 27  37  e28  e28  309  167  500  139  3480  211  62  195 
 
26 28  34  e29  e28  805  151  432  129  3670  205  45  136 
27 28  30  e30  e27  827  159  396  255  1710  200  40  91 
28 27  27  e31  e27  545  161  367  305  1080  185  40  69 
29 27  27  e32  e27  437  142  336  206  899  177  39  58 
30 26  26  e35  e28  ---  128  304  181  752  171  39  50 
 
31 26  ---  e37  e28  ---  122  ---  1760  ---  170  37  --- 

TOTAL 1162 911 1559 1153 4372 6113 8844 8279 29127 14249 2417 1897
MEAN 37.5 30.4 50.3 37.2 151 197 295 267 971 460 78.0 63.2
MAX 94 38 156 69 827 429 1500 1760 3670 1420 166 232
MIN 26 26 28 27 29 122 97 129 319 170 37 26
CFSM .09 .07 .12 .09 .35 .46 .68 .62 2.25 1.06 .18 .15
IN. .10 .08 .13 .10 .38 .53 .76 .71 2.51 1.23 .21 .16

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2000, BY WATER YEAR (WY)
MEAN 154 181 183 251 362 457 500 463 454 317 146 135
MAX 1560 1189 1176 1265 1466 1752 1742 1829 1960 2967 1675 1222
(WY) 1942 1978 1983 1969 1949 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 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1935 - 2000
ANNUAL TOTAL 142142          80083         
ANNUAL MEAN 389          219          300         
HIGHEST ANNUAL MEAN 1002          1993
LOWEST ANNUAL MEAN 50.9       1989
HIGHEST DAILY MEAN 4000      A     Jan 23 3670              Jun 26 25800          Jul 25 1993
LOWEST DAILY MEAN 13              Sep 25 26      B 1.7   C D
ANNUAL SEVEN-DAY MINIMUM 15              Sep 20 26              Oct 28 2.1       Sep 17 1940
INSTANTANEOUS PEAK FLOW 4160              Jun 26 34600      E Jul 8 1982
INSTANTANEOUS PEAK STAGE 25.09         Jun 26 32.65     Jul 25 1993
INSTANTANEOUS LOW FLOW 8.6   F     Jan 13
ANNUAL RUNOFF (CFSM) .90     .51     .69    
ANNUAL RUNOFF (INCHES) 12.24     6.90     9.43    
10 PERCENT EXCEEDS 979          583          667         
50 PERCENT EXCEEDS 200          80          128         
90 PERCENT EXCEEDS 27          28          19         
A - Estimated due to backwater from ice.
B - Oct. 24, 30, 31, Nov. 2, 3, 17, 30, and Sept. 8.
 C - Observed.
 D - Sept. 22, 23, 1940.
 E - Gage height, 31.05 ft.
 F - Result of freeze-up, but may have been less during periods of ice effect, Dec. 19 to Jan. 1, Jan. 5-9, and Jan. 13 to Feb. 22.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data