Station list     Available data
ILLINOIS RIVER BASIN


05550500       POPLAR CREEK AT ELGIN, IL



LOCATION.-- Lat 42°01'34", 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 1994-2001.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1977-91.
 

MISCELLANEOUS: Water year 2000; contaminants in streambed sediments, water year 2000.
BIOLOGICAL
 

BENTHIC MACROINVERTEBRATES: Water year 2000.
 

FISH: Water year 2001.
 

HABITAT: Water year 2000.

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.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,180 ft3/s, Feb. 21, 1997, gage height, 6.78 ft; no flow, July 10, 1957, Sept. 14, 1958, July 18, 1989, Oct. 6, 1997.

REMARKS FOR CURRENT YEAR.-- Records good except 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 9.3 1.5 22    e8.0 e54  47  21  17    28    2.0   3.2 16   
2 6.2 2.1 21    e8.0 e40  39  20  15    48    1.7   3.4 9.6
3 5.8 1.8 20    e8.0 e42  34  20  13    37    1.6   3.1 6.6
4 38    2.1 19    e8.5 e35  32  19  12    25    1.5   4.1 5.0
5 39    2.6 18    e9.0 33  28  19  11    35    1.2   3.8 4.6
 
6 29    9.2 16    e10    29  26  30  11    45    .99 3.4 8.8
7 22    88    15    e9.0 27  24  39  25    34    2.1   2.6 51   
8 18    78    14    e8.8 41  22  36  32    26    2.5   2.2 28   
9 15    152    13    e8.5 413  20  33  25    20    2.1   3.7 29   
10 12    259    13    e8.0 465  19  33  24    15    1.7   20    38   
 
11 9.1 180    e11    e8.4 246  21  35  97    13    1.3   17    27   
12 8.9 105    e9.4 e8.5 146  25  56  99    17    1.1   7.1 17   
13 7.4 72    e10    e9.0 93  31  48  48    16    .99 5.2 9.2
14 6.5 56    e11    e9.5 79  30  39  30    14    .93 4.7 6.3
15 5.3 45    e11    e13    79  40  41  24    14    1.1   3.7 5.2
 
16 4.9 38    e11    e17    66  74  41  19    12    1.3   19    5.5
17 5.0 34    e12    e18    55  73  38  16    11    1.4   22    6.6
18 4.5 32    e11    e18    e47  70  35  14    14    2.3   11    14   
19 5.6 28    e10    e18    e39  62  31  11    13    1.5   12    271   
20 3.9 25    e9.5 e16    e36  53  30  9.0 11    1.2   13    472   
 
21 3.1 22    e9.0 e14    e33  47  34  10    9.4 1.5   6.0 420   
22 2.6 20    e9.5 e13    e30  43  35  12    8.5 5.9   29    332   
23 2.5 21    e9.0 e12    28  39  37  12    7.0 7.7   105    204   
24 2.7 18    e8.5 e12    55  36  38  11    6.0 26      77    148   
25 2.6 17    e8.0 e11    182  32  32  10    4.7 34      46    92   
 
26 2.6 21    e8.0 e10    138  28  29  14    3.8 29      64    61   
27 2.6 24    e8.0 e9.5 84  26  26  28    3.3 19      45    40   
28 2.5 24    e8.0 e9.0 59  27  23  34    2.9 11      34    28   
29 3.7 25    e7.4 22    ---  26  20  23    2.6 7.8   24    22   
30 2.3 24    e8.0 e58    ---  23  18  16    2.3 6.0   16    18   
 
31 1.6 ---    e8.0 e66    ---  21  ---  15    ---    4.2   31    ---   

TOTAL 284.2 1427.3 368.3 457.7 2674 1118 956 737.0 498.5 182.61 641.2 2395.4
MEAN 9.17 47.6 11.9 14.8 95.5 36.1 31.9 23.8 16.6 5.89 20.7 79.8
MAX 39 259 22 66 465 74 56 99 48 34 105 472
MIN 1.6 1.5 7.4 8.0 27 19 18 9.0 2.3 .93 2.2 4.6
CFSM .26 1.35 .34 .42 2.71 1.02 .91 .68 .47 .17 .59 2.27
IN. .30 1.51 .39 .48 2.83 1.18 1.01 .78 .53 .19 .68 2.53
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2001, BY WATER YEAR (WY)
MEAN 13.6 21.6 22.9 22.1 30.6 48.2 53.6 35.0 27.5 15.5 15.6 14.5
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 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1951 - 2001
ANNUAL TOTAL 10673.35 11740.21
ANNUAL MEAN 29.2   32.2   26.7  
HIGHEST ANNUAL MEAN 52.6   1993
LOWEST ANNUAL MEAN 4.69 1963
HIGHEST DAILY MEAN 520          Apr 21 472          Sep 20 861      Feb 22 1997
LOWEST DAILY MEAN .97     Sep 6 .93     Jul 14 .10 Sep 16 1956
ANNUAL SEVEN-DAY MINIMUM 1.2       Sep 1 1.2       Jul 11 .10 Sep 9 1958
MAXIMUM PEAK FLOW 600          Feb 9 1180      Feb 21 1997
MAXIMUM PEAK STAGE 4.59     Feb 9 6.78 Feb 21 1997
INSTANTANEOUS LOW FLOW .00 A
ANNUAL RUNOFF (CFSM) .83 .91 .76
ANNUAL RUNOFF (INCHES) 11.28 12.41 10.30
10 PERCENT EXCEEDS 73      60      65     
50 PERCENT EXCEEDS 13      18      11     
90 PERCENT EXCEEDS 2.6   2.6   1.2  

A - 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