Station list     Available data
ILLINOIS RIVER BASIN


05531300       SALT CREEK AT ELMHURST, IL

 

LOCATION.-- Lat 41°53'10", long 87°57'33" (NAD of 1927), in SW1/4NW1/4 sec.11, T.39 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on left bank at upstream side of the Illinois Prairie Path Bikeway bridge in Elmhurst, and at mile 20.1.
 

DRAINAGE AREA.-- 91.5 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: June 1989 to current year.
 

STAGE: Water years 1994-2002.
 

PARTIAL RECORD: Annual maximum, water years 1961-80.

PRECIPITATION: October 1989 to March 1996 and December 1996 to current year.
 

REVISED RECORDS.-- WDR IL-77-1: 1961-76(M).
 

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 652.65 ft above NGVD of 1929. Water years 1997 and 1998, datum incorrectly published as 655.00 ft above NGVD of 1929. Prior to October 1, 1996, at site 990 ft upstream at datum 2.35 ft higher. Prior to June 1, 1989, crest-stage gage at datum 7.84 ft higher.
 

REMARKS.-- Occasional regulation by sewage treatment plants upstream from station. Since May 28, 1996, some flow temporarily diverted for flood control to Elmhurst Quarry Flood Control Reservoir about 1.0 miles upstream from gage. Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 2,230 ft3/s, Aug. 27, 1972, gage height, 12.76 ft, datum 660.49 ft above NGVD of 1929, maximum gage height, 13.56 ft, Aug. 6, 1989; minimum discharge, 18 ft3/s, July 1, 1989.

PRECIPITATION: Maximum daily total, 3.67 in., September 11, 2000, but may have been greater during periods of missing record.
 

REMARKS FOR CURRENT YEAR.-- Records good.
DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 160  206  218  63  104  93  131  116  55  50  51  92 
2 144  183  160  60  103  104  145  257  56  55  50  140 
3 126  159  135  61  95  128  133  349  59  50  43  258 
4 150  141  113  58  89  122  133  225  590  52  50  212 
5 282  132  101  57  80  114  119  144  1110  45  89  158 
 
6 240  125  93  59  75  115  96  120  1050  42  71  130 
7 181  121  88  61  78  147  120  112  648  43  55  108 
8 148  114  81  58  82  322  256  89  356  50  50  100 
9 97  111  77  57  102  677  575  127  268  361  46  95 
10 83  106  74  58  169  659  575  117  280  207  44  92 
 
11 89  103  70  64  188  416  364  255  266  120  45  88 
12 165  101  75  56  163  269  231  915  245  85  44  85 
13 666  98  129  57  140  226  176  1060  188  63  179  82 
14 1350  107  152  57  119  176  142  659  175  63  486  69 
15 1410  108  134  58  109  151  126  293  159  78  393  41 
 
16 1030  105  120  59  99  127  126  302  134  65  187  42 
17 663  99  125  68  95  115  143  501  110  48  112  41 
18 394  98  116  71  88  106  136  442  96  53  82  58 
19 288  110  116  68  115  99  103  295  88  46  84  59 
20 244  105  115  66  250  93  129  224  81  54  129  161 
 
21 208  80  108  67  350  94  147  180  77  48  123  169 
22 196  60  98  69  278  94  195  151  76  48  768  160 
23 519  57  110  72  194  84  158  116  66  45  1160  161 
24 880  73  110  75  157  81  146  121  64  46  997  112 
25 1000  115  94  76  134  81  152  112  71  44  660  80 
 
26 737  142  85  72  121  79  117  108  62  48  390  65 
27 463  144  82  72  113  76  136  90  61  59  287  59 
28 315  129  78  73  100  74  221  82  57  64  231  53 
29 270  133  73  72  ---  130  186  79  52  64  186  66 
30 260  179  69  71  ---  181  145  68  53  64  155  74 
 
31 235  ---  65  84  ---  149  ---  67  ---  54  120  --- 

TOTAL 12993 3544 3264 2019 3790 5382 5562 7776 6653 2214 7367 3110
MEAN 419.1 118.1 105.3 65.13 135.4 173.6 185.4 250.8 221.8 71.42 237.6 103.7
MAX 1410 206 218 84 350 677 575 1060 1110 361 1160 258
MIN 83 57 65 56 75 74 96 67 52 42 43 41
CFSM 4.58 1.29 1.15 0.71 1.48 1.90 2.03 2.74 2.42 0.78 2.60 1.13
IN. 5.28 1.44 1.33 0.82 1.54 2.19 2.26 3.16 2.71 0.90 3.00 1.26


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2002, BY WATER YEAR (WY)
MEAN 124.1 140.8 102.9 131.4 167.3 174.7 223.8 192.2 158.8 96.53 142.2 105.6
MAX 419 251 186 282 350 263 430 431 360 229 338 266
(WY) 2002 1991 1992 1993 1997 1993 1993 1996 1996 1993 1990 2001
MIN 56.8 47.9 46.1 56.2 76.8 70.2 99.4 58.4 53.1 38.1 50.7 48.8
(WY) 1993 2000 1990 1994 1996 2000 1994 1992 1992 1991 1991 1994

SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1989 - 2002
ANNUAL TOTAL 63670      63674     
ANNUAL MEAN 174.4   174.4   145.9  
HIGHEST ANNUAL MEAN 196      1993
LOWEST ANNUAL MEAN 110      1994
HIGHEST DAILY MEAN 1410          Oct 15 1410          Oct 15 1450      Aug 21 1990
LOWEST DAILY MEAN 33          Jul 15 41          Sep 15,17 29      Jul 1 1989
ANNUAL SEVEN-DAY MINIMUM 38          Jul 10 47          Jul 19 32      Sep 16 1994
MAXIMUM PEAK FLOW 1520          Oct 13 1580      Aug 6 1989
MAXIMUM PEAK STAGE 11.73     Oct 13 13.56 Aug 6 1989
INSTANTANEOUS LOW FLOW 21          Jul 31 18      Jul 1 1989
ANNUAL RUNOFF (CFSM) 1.91 1.91 1.60
ANNUAL RUNOFF (INCHES) 25.89 25.90 21.67
10 PERCENT EXCEEDS 352      349      302     
50 PERCENT EXCEEDS 111      110      89     
90 PERCENT EXCEEDS 53      56      45     



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data