Station list     Available data
ILLINOIS RIVER BASIN


05530990       SALT CREEK AT ROLLING MEADOWS, IL



LOCATION.-- Lat 42°03'37", long 88°00'59", in SW1/4NW1/4 sec.8, T.41 N., R.11 E., Cook County, Hydrologic Unit 07120004, on left bank at upstream side of bridge on Algonquin Road in Rolling Meadows, 0.25 mi downstream from Arlington Heights Branch Salt Creek, and at mile 35.6.

DRAINAGE AREA.-- 30.5 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1973 to current year. August 1950 to September 1971, and October 1972 to September 1973 at site 0.9 mi downstream, published as Salt Creek near Arlington Heights. Records may not be equivalent.
 

STAGE: Water years 1994-2000.
 

PARTIAL RECORD: Annual maximum, water year 1972.

REVISED RECORDS.-- WDR IL-75-1: Drainage area. WDR IL-93-2: 1992.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 686.40 ft above sea level (Cook County Highway Department bench mark).

REMARKS FOR CURRENT YEAR.-- Records good 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 17      1.3   9.0 e1.3 e2.2 23    4.3 19    48    19      29      1.2  
2 9.4   1.2   9.1 e2.0 e2.2 18    4.2 14    79    42      17      1.1  
3 46      2.1   32    4.0 e2.3 15    4.2 9.6 33    254      6.1   .98
4 47      1.2   40    10    e2.3 13    3.9 8.4 27    70      3.2   .86
5 22      .92 194    6.4 e2.3 11    3.2 7.6 101    38      6.9   .73
 
6 12      .97 58    5.7 e2.3 10    3.0 6.3 45    21      5.0   .78
7 7.3   .93 30    4.5 e2.3 8.5 19    5.5 23    14      3.5   .78
8 4.9   1.3   19    3.9 e2.4 8.9 35    9.0 14    10      1.8   3.8  
9 4.0   1.3   13    17    e3.0 13    21    78    9.7 9.1   1.4   1.5  
10 3.4   .99 11    26    e4.0 8.2 13    59    8.7 180      1.3   .96
 
11 3.0   .89 8.1 19    e5.0 6.9 11    55    33    47      1.0   195     
12 2.4   1.0   6.7 12    e7.0 5.9 8.0 51    36    21      .78 397     
13 2.4   1.1   5.9 9.2 e6.2 5.2 6.6 32    57    11      .75 76     
14 2.3   1.2   5.6 6.5 e5.6 4.6 5.6 17    42    8.1   .89 72     
15 2.0   1.1   11    5.9 e5.4 5.2 4.9 10    28    3.6   .64 40     
 
16 3.6   1.3   9.0 5.0 e5.2 7.5 28    19    23    2.1   .66 25     
17 2.8   1.3   6.9 3.9 e6.4 5.7 99    18    17    1.4   42      14     
18 1.9   1.1   6.0 e3.5 8.5 5.2 42    71    11    1.5   9.7   9.0  
19 1.7   1.2   5.3 e3.2 15    5.9 113    132    7.8 1.1   4.0   6.2  
20 1.7   1.4   e3.6 e2.8 15    39    481    49    28    .98 1.9   20     
 
21 1.4   1.5   e3.0 e2.6 19    21    464    28    22    .98 1.4   18     
22 1.2   1.5   e2.5 e2.5 74    14    162    19    9.4 .68 1.1   149     
23 1.1   24      e2.2 e2.4 96    10    81    15    5.0 .57 1.1   294     
24 1.1   13      e1.9 e2.3 183    11    64    11    74    .65 .96 101     
25 .91 7.8   e1.5 e2.3 94    10    71    7.7 121    .50 .79 56     
 
26 1.2   7.3   e1.3 e2.2 58    8.1 59    7.2 56    .39 34      36     
27 1.2   6.9   e1.3 e2.0 47    8.9 44    18    39    .39 13      23     
28 1.1   6.9   e1.4 e2.0 33    7.2 22    41    30    2.0   4.0   17     
29 1.1   7.7   e1.7 e1.8 26    6.2 18    25    27    .63 2.2   13     
30 1.5   8.5   e1.6 e2.3 ---    5.4 15    17    21    2.9   1.8   8.9  
 
31 1.2   ---      e1.4 e2.2 ---    4.8 ---    35    ---    78      1.5   ---     

TOTAL 209.81 108.90 503.0 176.4 734.6 326.3 1909.9 894.3 1075.6 842.57 199.37 1582.79
MEAN 6.77 3.63 16.2 5.69 25.3 10.5 63.7 28.8 35.9 27.2 6.43 52.8
MAX 47 24 194 26 183 39 481 132 121 254 42 397
MIN .91 .89 1.3 1.3 2.2 4.6 3.0 5.5 5.0 .39 .64 .73
CFSM .22 .12 .53 .19 .83 .35 2.09 .95 1.18 .89 .21 1.73
IN. .26 .13 .61 .22 .90 .40 2.33 1.09 1.31 1.03 .24 1.93

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 2000, BY WATER YEAR (WY)
MEAN 16.7 28.8 29.1 25.8 33.8 50.7 60.8 42.2 28.2 19.1 26.0 18.7
MAX 63.4 120 107 85.7 113 202 136 148 87.6 83.6 136 58.9
(WY) 1999 1986 1983 1999 1997 1979 1983 1996 1996 1993 1987 1986
MIN 2.42 2.32 .62 .13 2.43 10.5 9.73 7.33 3.15 3.00 2.56 1.63
(WY) 1980 1977 1977 1977 1978 2000 1989 1977 1988 1979 1986 1974

SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1974 - 2000
ANNUAL TOTAL 12948.95 8563.54
ANNUAL MEAN 35.5   23.4   31.6  
HIGHEST ANNUAL MEAN 52.1   1993
LOWEST ANNUAL MEAN 9.25 1977
HIGHEST DAILY MEAN 785          Apr 23 481          Apr 20 1180      Aug 14 1987
LOWEST DAILY MEAN .00     Sep 8,9,11 .39     Jul 26,27 .00 A
ANNUAL SEVEN-DAY MINIMUM .07     Sep 5 .59     Jul 21 .00 Jan 12 1977
INSTANTANEOUS PEAK FLOW 837          Sep 12 1650      Aug 14 1987
INSTANTANEOUS PEAK STAGE 7.78     Sep 12 14.03 Aug 14 1987
INSTANTANEOUS LOW FLOW .24     Jul 29,30
ANNUAL RUNOFF (CFSM) 1.16 .77 1.04
ANNUAL RUNOFF (INCHES) 15.79 10.44 14.08
10 PERCENT EXCEEDS 82      56      73     
50 PERCENT EXCEEDS 11      7.1   13     
90 PERCENT EXCEEDS .66 1.1   1.7  
A - Jan. 12-Feb. 8, 1977, as a result of freezeup; Aug. 20, 25, 1986 and Sept. 8, 9, 11, 1999.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data