Station list     Available data
ILLINOIS RIVER BASIN


05531300       SALT CREEK AT ELMHURST, IL



LOCATION.-- Lat 41°53'10", long 87°57'33", 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 1994-2001.
 

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 sea level. Water years 1997 and 1998, datum incorrectly published as 655.00 ft above sea level. 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 sea level, 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.

EXTREMES 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 59  41  74  52  349  171  86  79  220  34  50  333 
2 56  47  64  52  231  152  98  68  369  46  66  179 
3 69  51  63  53  162  131  119  76  295  49  50  145 
4 328  47  61  51  132  118  113  67  191  40  44  101 
5 239  44  55  53  115  106  112  54  258  39  42  74 
 
6 173  79  e53  54  103  97  267  68  310  38  59  103 
7 121  299  e52  57  98  89  227  89  234  58  53  151 
8 95  309  e50  59  172  82  170  88  173  49  41  116 
9 78  410  50  58  743  83  156  88  140  48  52  110 
10 66  571  51  56  1010  72  145  99  113  46  108  111 
 
11 61  492  e50  55  788  90  150  435  97  42  94  116 
12 56  272  e50  58  454  105  221  512  132  40  70  83 
13 53  215  e51  61  299  124  212  294  134  39  64  66 
14 48  170  e51  91  294  118  159  167  110  34  55  58 
15 48  135  e52  160  341  165  178  136  92  33  47  47 
 
16 54  109  e52  221  308  359  162  118  81  34  107  49 
17 52  98  e52  192  253  388  132  103  72  54  105  50 
18 49  81  e52  163  193  349  117  83  93  53  89  73 
19 48  75  e54  137  143  293  99  66  101  43  112  644 
20 48  76  e54  113  128  249  128  59  97  42  86  853 
 
21 45  66  e50  102  109  210  197  67  120  38  69  924 
22 45  59  e49  90  110  174  179  72  100  100  97  888 
23 53  59  e48  82  102  159  262  74  67  145  303  722 
24 66  59  e47  79  241  141  326  71  59  120  403  553 
25 66  56  e45  72  565  117  219  85  55  191  408  411 
 
26 67  87  45  70  558  105  182  132  66  157  371  295 
27 60  87  47  68  357  95  167  279  59  99  252  227 
28 51  74  47  65  228  87  123  241  50  69  172  189 
29 45  79  47  106  ---  87  91  159  48  57  116  162 
30 45  74  48  365  ---  85  86  111  44  52  120  142 
 
31 43  ---  52  454  ---  80  ---  101  ---  64  616  --- 

TOTAL 2387 4321 1616 3349 8586 4681 4883 4141 3980 1953 4321 7975
MEAN 77.0 144 52.1 108 307 151 163 134 133 63.0 139 266
MAX 328 571 74 454 1010 388 326 512 369 191 616 924
MIN 43 41 45 51 98 72 86 54 44 33 41 47
CFSM .84 1.57 .57 1.18 3.35 1.65 1.78 1.46 1.45 .69 1.52 2.91
IN. .97 1.76 .66 1.36 3.49 1.90 1.99 1.68 1.62 .79 1.76 3.24
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2001, BY WATER YEAR (WY)
MEAN 99.5 143 103 137 170 175 227 187 154 98.5 135 106
MAX 204 251 186 282 350 263 430 431 360 229 338 266
(WY) 1999 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 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1989 - 2001
ANNUAL TOTAL 43282      52193     
ANNUAL MEAN 118      143      144     
HIGHEST ANNUAL MEAN 196      1993
LOWEST ANNUAL MEAN 110      1994
HIGHEST DAILY MEAN 1060          Apr 21 1010          Feb 10 1450      Aug 21 1990
LOWEST DAILY MEAN 36          Sep 9 33          Jul 15 29      Jul 1 1989
ANNUAL SEVEN-DAY MINIMUM 38          Sep 3 38          Jul 10 32      Sep 16 1994
MAXIMUM PEAK FLOW 1110          Sep 20 1580      Aug 6 1989
MAXIMUM PEAK STAGE 10.69     Sep 20 13.56 Aug 6 1989
INSTANTANEOUS LOW FLOW 26          Jul 1 18      Jul 1 1989
ANNUAL RUNOFF (CFSM) 1.29 1.56 1.57
ANNUAL RUNOFF (INCHES) 17.60 21.23 21.32
10 PERCENT EXCEEDS 272      308      301     
50 PERCENT EXCEEDS 68      90      87     
90 PERCENT EXCEEDS 45      48      44     



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data