Station list     Available data
POPE CREEK BASIN


05467000       POPE CREEK NEAR KEITHSBURG, IL

 

LOCATION.-- Lat 41°07'44", long 90°55'09" (NAD of 1927), in SE1/4SE1/4 sec.11, T.13 N., R.5 W., Mercer County, Hydrologic Unit 07080104, on right bank at downstream side of bridge on County Road 900 E, 1.8 mi northeast of Keithsburg, and at mile 3.0.
 

DRAINAGE AREA.-- 174 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1997 to current year. October 1934 to September 1986. Monthly discharge only for some periods, published in WSP 1308. Seven-month period (March to September), water years 1987-90. October 1990 to September 1996.
 

STAGE: Water years 1994-1996;1998 to current year.
 

REVISED RECORDS.-- WSP 1508: 1935-37(M), 1938, 1939-43(M). WDR IL-81-1: Drainage area.
 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 524.07 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers) (523.85 ft NAVD 1988). Prior to Aug. 1, 1975, nonrecording gage and crest-stage gage at site 1,000 ft upstream at same datum. Aug. 1, 1975 to Aug. 24, 1981, water-stage recorder at site 500 ft downstream at same datum.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,900 ft3/s, Apr. 22, 1973, gage height, 27.88 ft, from graph based on gage readings at site 1,000 ft upstream at same datum; maximum gage height, 29.25 ft, Feb. 9, 2001, estimated discharge, 3,250 ft3/s, ice jam; minimum daily discharge, 0.53 ft3/s, Aug. 6, 1989.
 

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 7.3 201  277  123  e121  144  162  110  59  42    9.1 3.6
2 8.7 430  248  142  e120  136  148  107  57  39    8.0 3.3
3 8.5 344  226  223  e120  130  142  104  55  38    7.3 3.2
4 7.8 275  209  339  e122  131  137  100  57  38    6.6 3.0
5 7.7 251  194  268  127  128  133  96  68  39    6.0 3.0
 
6 6.9 219  270  197  130  124  129  94  62  36    5.5 2.9
7 7.1 192  351  169  204  126  124  92  53  33    5.1 2.9
8 51    161  491  e160  216  125  118  94  224  30    4.8 4.1
9 63    142  398  e145  168  117  115  101  524  27    4.8 5.4
10 31    135  332  e130  135  116  112  94  226  25    4.8 3.2
 
11 21    127  283  139  122  118  110  87  161  23    15    3.1
12 17    119  251  163  132  116  240  84  135  23    10    3.4
13 18    112  223  613  272  106  326  112  119  23    7.7 3.4
14 16    108  196  525  483  108  231  119  105  21    7.2 110   
15 19    104  184  367  401  101  190  99  96  20    6.3 57   
 
16 18    102  190  e310  298  100  170  92  89  17    5.6 34   
17 18    99  173  e270  241  106  158  88  82  16    5.4 19   
18 16    97  165  e245  207  99  148  84  76  14    11    13   
19 28    177  139  e225  185  99  140  86  71  13    6.6 11   
20 27    178  129  e210  183  97  133  86  67  18    14    9.2
 
21 23    135  e130  e190  189  92  127  83  63  18    8.8 8.8
22 29    123  e115  e180  168  90  138  80  60  12    6.0 7.1
23 340    117  e105  e170  152  99  145  74  58  9.9 5.4 6.2
24 189    115  e100  e165  147  110  144  72  54  9.2 4.3 6.4
25 111    112  e95  e160  144  264  141  70  51  8.5 4.5 5.6
 
26 155    107  e92  e157  141  384  138  68  49  22    4.3 5.5
27 291    158  e90  e153  138  310  133  66  47  38    4.7 5.5
28 172    453  e94  e150  145  260  123  65  45  23    5.1 6.4
29 139    355  e98  e140  ---  228  117  67  44  15    4.5 8.0
30 239    302  e105  e130  ---  209  114  67  45  12    4.0 7.2
 
31 205    ---  e110  e125  ---  188  ---  63  ---  10    3.8 ---   

TOTAL 2290.0 5550 6063 6683 5211 4561 4486 2704 2902 712.6 206.2 364.4
MEAN 73.9 185 196 216 186 147 150 87.2 96.7 23.0 6.65 12.1
MAX 340 453 491 613 483 384 326 119 524 42 15 110
MIN 6.9 97 90 123 120 90 110 63 44 8.5 3.8 2.9
CFSM 0.42 1.06 1.12 1.24 1.07 0.85 0.86 0.50 0.56 0.13 0.04 0.07
IN. 0.49 1.19 1.30 1.43 1.11 0.98 0.96 0.58 0.62 0.15 0.04 0.08
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2005, BY WATER YEAR (WY)
MEAN 56.1 68.2 74.7 91.8 161 178 198 201 187 121 63.7 52.5
MAX 698 520 576 461 843 640 822 717 1020 1303 693 471
(WY) 1999 1999 1983 1974 2001 1993 1973 1996 1990 1982 1993 1980
MIN 2.40 2.96 2.63 2.74 5.29 19.1 11.4 7.68 10.9 1.24 2.75 1.82
(WY) 1964 1957 1965 1977 1964 1956 1956 1989 1936 1989 1989 1988

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1935 - 2005
ANNUAL TOTAL 42276.7     41733.2    
ANNUAL MEAN 116        114        122           
HIGHEST ANNUAL MEAN 399            1993
LOWEST ANNUAL MEAN 25.8         1940
HIGHEST DAILY MEAN 1320            May 31 613            Jan 13 7030            Oct 18 1998
LOWEST DAILY MEAN 6.4         Sep 13,14 2.9         Sep 6,7 0.53       Aug 6 1989
ANNUAL SEVEN-DAY MINIMUM 6.9         Sep 8 3.1         Sep 1 0.78       Aug 1 1989
MAXIMUM PEAK FLOW 808            Jan 13 8900        A Apr 22 1973
MAXIMUM PEAK STAGE 24.58       Jan 13 29.25   B Feb 9 2001
INSTANTANEOUS LOW FLOW 2.4         Sep 7,13
ANNUAL RUNOFF (CFSM) 0.664 0.657 0.701    
ANNUAL RUNOFF (INCHES) 9.04   8.92   9.53      
10 PERCENT EXCEEDS 257        243        266           
50 PERCENT EXCEEDS 83        105        48           
90 PERCENT EXCEEDS 12        6.4     7.0        

A - Gage height, 27.88 ft., from graph based on gage readings at site 1,000 ft. upstream at same datum.

B - Ice jam, estimated discharge, 3,250 ft3/s.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data