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.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: August 1951 to current year.
 

STAGE: Water years 1994-2000.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1977-91.

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

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

REMARKS FOR CURRENT YEAR.-- Records fair except 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 23    e2.0 e2.1 1.4 e2.6 29    5.5 21  41  18    85    1.6  
2 14    e2.1 e2.1 1.7 e2.6 22    7.7 21  81  21    54    1.3  
3 17    e2.3 e2.7 1.9 e2.7 17    5.6 18  71  136    33    1.2  
4 39    e2.7 14    4.0 e2.7 16    4.5 15  46  128    23    1.0  
5 31    e2.1 79    4.9 e2.7 14    3.6 14  79  68    20    1.3  
 
6 22    e1.3 102    4.9 e2.7 11    3.3 12  98  47    25    .97
7 16    e1.1 48    3.6 e2.7 10    4.3 12  63  35    20    .98
8 13    e1.3 26    3.4 e2.8 9.3 12    11  39  27    15    1.9  
9 10    e1.4 15    6.7 e3.7 9.5 17    39  27  20    11    2.1  
10 9.5 e1.4 10    21    e5.0 11    14    85  18  99    7.7 1.9  
 
11 7.1 e1.3 6.0 28    e6.2 8.3 14    63  22  130    6.2 34     
12 5.7 e1.1 4.4 25    e7.4 6.8 13    53  50  76    4.8 169     
13 7.9 e1.2 3.7 21    e6.9 5.9 11    50  69  52    4.2 198     
14 5.9 e1.3 3.4 17    e6.4 5.3 7.1 35  68  36    3.6 106     
15 4.9 e1.3 3.4 e13    e6.2 5.1 6.1 23  53  24    2.7 57     
 
16 4.5 e1.4 4.1 e12    e6.4 6.3 8.1 23  39  18    2.5 34     
17 4.6 e1.4 3.8 e10    e9.0 6.2 57    28  31  14    13    21     
18 4.5 e1.3 3.6 e8.4 14    5.0 64    43  26  11    18    14     
19 4.0 e1.3 3.7 e6.8 19    4.8 67    104  21  9.7 11    9.6  
20 3.9 e1.4 2.8 e5.7 19    9.8 269    84  26  7.8 7.1 9.4  
 
21 3.6 e1.6 2.8 e5.0 19    15    520    56  39  7.8 5.1 17     
22 3.5 e2.0 2.2 e4.4 54    14    336    40  26  6.6 3.9 36     
23 e3.2 e5.6 1.8 e4.1 95    12    207    31  16  5.0 3.0 119     
24 e2.9 e9.0 1.7 e3.6 107    10    134    22  37  3.3 2.4 127     
25 e2.6 e4.6 1.5 e3.3 114    11    88    16  139  2.9 2.2 78     
 
26 e2.1 e3.3 1.4 e3.0 86    9.8 64    13  114  2.4 4.9 47     
27 e1.8 e2.7 1.3 e2.9 65    8.5 46    13  60  2.1 7.0 33     
28 e2.1 e2.6 1.1 e2.8 47    9.3 37    24  40  2.1 6.6 25     
29 e2.0 e2.5 1.2 e2.7 35    7.4 29    31  33  2.9 4.0 17     
30 e1.9 e2.2 1.4 e2.6 ---    6.0 25    26  24  2.7 2.9 14     
 
31 e2.2 ---    1.3 e2.6 ---    5.7 ---    27  ---  48    2.3 ---     

TOTAL 275.4 66.8 357.5 237.4 752.7 321.0 2079.8 1053 1496 1063.3 411.1 1179.25
MEAN 8.88 2.23 11.5 7.66 26.0 10.4 69.3 34.0 49.9 34.3 13.3 39.3
MAX 39 9.0 102 28 114 29 520 104 139 136 85 198
MIN 1.8 1.1 1.1 1.4 2.6 4.8 3.3 11 16 2.1 2.2 .97
CFSM .25 .06 .33 .22 .74 .29 1.97 .96 1.42 .97 .38 1.12
IN. .29 .07 .38 .25 .80 .34 2.20 1.11 1.58 1.12 .43 1.25

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2000, BY WATER YEAR (WY)
MEAN 13.7 21.1 23.1 22.3 29.3 48.5 54.0 35.2 27.7 15.6 15.5 13.2
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 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1951 - 2000
ANNUAL TOTAL 12765.6   9293.25
ANNUAL MEAN 35.0   25.4   26.6  
HIGHEST ANNUAL MEAN 52.6   1993
LOWEST ANNUAL MEAN 4.69 1963
HIGHEST DAILY MEAN 785          Apr 23 520          Apr 21 861      Feb 22 1997
LOWEST DAILY MEAN 1.1       A .97     Sep 6 .10 Sep 16 1956
ANNUAL SEVEN-DAY MINIMUM 1.3       Nov 7 1.2       Sep 1 .10 Sep 9 1958
INSTANTANEOUS PEAK FLOW 555          Apr 21 1180      Feb 21 1997
INSTANTANEOUS PEAK STAGE 4.33     Apr 21 6.78 Feb 21 1997
INSTANTANEOUS LOW FLOW .63     Sep 4 .00 B
ANNUAL RUNOFF (CFSM) .99 .72 .75
ANNUAL RUNOFF (INCHES) 13.49 9.82 10.26
10 PERCENT EXCEEDS 81      67      65     
50 PERCENT EXCEEDS 11      9.6   10     
90 PERCENT EXCEEDS 1.6   1.9   1.2  
A - Nov. 7, 12, estimated; Dec. 28.
B - July 10, 1957, Sept. 14, 1958, July 18, 1989, Oct. 6, 1997.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data