Station list     Available data
ILLINOIS RIVER BASIN


05550500                         POPLAR CREEK AT ELGIN, IL



LOCATION.--Lat 42°01'35", long 88°15'20", in SE1/4NW1/4 sec.19, T.41 N., R.9 E., Cook County, Hydrologic Unit 07120006, on right bank 35 ft upstream from bridge on U.S. Highway B.R. 20 (Villa Street) in Elgin, and at mile 2.3.

DRAINAGE AREA.--35.2 mi2.

PERIOD OF RECORD.--August 1951 to current year.

REVISED RECORDS.--WSP 1338: 1952-53. WDR IL-75-1: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is 716.00 ft above sea level.

REMARKS.--Records good except those for estimated daily discharges, which are poor. Gage-height telemeter at station.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 3.3 23    16    2.8 53  37  16  87  44    21    2.0 2.1
2 3.3 19    16    2.3 66  33  15  59  209    20    1.8 1.7
3 10    16    16    e2.6 71  34  13  44  187    13    1.8 1.8
4 9.5 13    13    e2.7 60  31  15  36  100    10    1.7 1.7
5 22    11    11    e2.8 50  29  15  32  67    8.1 1.5 1.7
 
6 26    9.5 23    e2.8 53  28  15  35  48    6.5 1.5 1.9
7 24    9.9 74    e2.7 49  27  14  35  33    4.9 1.5 2.3
8 18    9.2 60    e2.6 45  25  19  31  25    4.0 1.6 4.4
9 13    8.6 43    e2.7 42  25  128  27  22    10    1.6 2.4
10 9.1 94    35    e2.8 38  26  125  23  35    17    1.7 1.7
 
11 6.3 136    29    e2.8 53  29  81  23  28    12    1.4 1.7
12 5.1 94    25    e2.7 81  29  57  51  32    8.7 2.6 2.9
13 4.1 63    22    e2.6 59  30  42  45  153    5.9 2.4 3.1
14 3.2 51    20    e2.5 46  29  32  34  328    4.7 1.8 3.0
15 3.0 43    18    e2.7 41  30  33  27  228    3.9 1.5 2.2
 
16 2.7 38    16    e2.9 36  42  133  23  112    3.1 1.4 1.9
17 104    31    14    e4.0 33  97  155  33  65    4.1 1.4 1.8
18 376    25    13    e10    30  110  95  40  42    3.4 2.0 1.4
19 411    21    12    22    27  79  70  33  32    3.1 1.9 1.4
20 243    17    11    22    24  58  52  25  25    6.5 1.7 1.7
 
21 140    15    9.7 25    22  45  69  24  19    6.5 1.4 1.9
22 73    14    7.3 146    20  36  308  82  16    6.6 1.3 1.6
23 47    12    6.3 396    19  30  785  61  15    6.6 2.0 1.8
24 35    9.8 5.3 512    18  25  520  43  14    9.3 2.7 1.5
25 27    8.4 4.6 324    17  20  282  32  11    6.8 7.8 1.6
 
26 23    7.5 4.3 200    19  17  157  24  11    4.9 15    1.4
27 24    6.5 e3.7 142    40  17  128  18  12    4.0 10    6.7
28 37    5.8 e3.6 133    43  16  274  15  15    3.6 6.0 62   
29 31    5.8 3.6 102    ---  16  216  13  12    2.9 3.9 102   
30 29    10    e3.2 75    ---  18  128  11  9.2 2.7 3.0 51   
 
31 27    ---    3.2 60    ---  17  ---  12  ---    2.1 2.6 ---   

TOTAL 1789.6 827.0 541.8 2216.0 1155 1085 3992 1078 1949.2 225.9 90.5 274.3
MEAN 57.7 27.6 17.5 71.5 41.2 35.0 133 34.8 65.0 7.29 2.92 9.14
MAX 411 136 74 512 81 110 785 87 328 21 15 102
MIN 2.7 5.8 3.2 2.3 17 16 13 11 9.2 2.1 1.3 1.4
CFSM 1.64 .78 .50 2.03 1.17 .99 3.78 .99 1.85 .21 .08 .26
IN. 1.89 .87 .57 2.34 1.22 1.15 4.22 1.14 2.06 .24 .10 .29

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1999, BY WATER YEAR (WY)
MEAN 13.8 21.5 23.3 22.6 29.4 49.3 53.7 35.3 27.2 15.3 15.5 12.7
MAX 64.6 133 113 85.1 129 235 146 130 102 92.4 103 94.6
(WY) 1973 1986 1983 1993 1997 1979 1983 1974 1996 1993 1990 1972
MIN .50 .25 .60 .91 .72 4.76 9.51 3.50 .97 1.27 .87 .25
(WY) 1957 1954 1957 1959 1978 1956 1986 1989 1963 1988 1956 1956

SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1951 - 1999
ANNUAL TOTAL 12546.1   15224.3  
ANNUAL MEAN 34.4   41.7   26.6  
HIGHEST ANNUAL MEAN 52.6   1993
LOWEST ANNUAL MEAN 4.69 1963
HIGHEST DAILY MEAN 411          Oct 19 785          Apr 23 861      Feb 22 1997
LOWEST DAILY MEAN 1.7       Aug 20,21,22,23 1.3       Aug 22 .10 Sep 16 1956
ANNUAL SEVEN-DAY MINIMUM 1.8       Aug 17 1.5       Aug 5 .10 Sep 9 1958
INSTANTANEOUS PEAK FLOW 882          Apr 23 1180      Feb 21 1997
INSTANTANEOUS PEAK STAGE 6.13     Apr 23 6.78 Feb 21 1997
INSTANTANEOUS LOW FLOW .72     Sep 19,23 .00 A
ANNUAL RUNOFF (CFSM) .98 1.18 .76
ANNUAL RUNOFF (INCHES) 13.26 16.09 10.27
10 PERCENT EXCEEDS 86      98      65     
50 PERCENT EXCEEDS 19      18      10     
90 PERCENT EXCEEDS 2.7   2.0   1.2  
A - July 10, 1957, Sept. 14, 1958, July 18, 1989, Oct. 6, 1997.


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Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data