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.--October 1973 to current year. August 1950 to September 1971, October 1971 to September 1972 (annual maximum discharge and gage height only), October 1972 to September 1973 at site 0.9 mi downstream, published as Salt Creek near Arlington Heights. Records may not be equivalent.

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

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

REMARKS.--Records good except those for estimated daily discharges, which are poor. Gage-height telemeter at station.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 e11    8.8 e29    e13    63    24    e20  48    97    43      .40 .39
2 e18    7.2 e24    e12.5 96    25    27  39    303    14      .30 .25
3 e28    13    e20    e12.5 91    24    42  44    108    6.4   .30 .17
4 e17    16    e19    e13    82    17    73  38    52    4.5   .33 .15
5 e78    4.7 29    e13    87    14    81  41    34    3.6   .29 .10
 
6 e50    3.4 84    e13    78    20    57  50    35    2.5   .35 .20
7 e35    2.6 96    e12.5 63    17    82  40    27    1.6   .48 .15
8 e25    2.5 53    e12.5 52    14    124  26    25    1.1   .61 .00
9 e20    3.9 36    e13    48    17    290  18    51    49      .69 .00
10 e16    216    30    e13    43    22    92  22    26    11      .60 .03
 
11 e13    28    25    e12    66    21    46  41    44    3.9   .70 .00
12 e12    13    22    e12    84    23    29  64    27    2.9   10      2.0  
13 e12    10    e21    e13    48    22    20  33    398    2.5   3.7   2.5  
14 e11    7.5 e20    e16    32    21    15  22    336    1.2   2.5   .54
15 e11    5.0 e19    e25    26    27    37  14    82    .97 1.1   .20
 
16 29    3.9 e18    34    22    53    221  12    46    .69 .39 .02
17 405    3.8 e17    50    18    100    111  65    43    2.9   .35 .03
18 626    4.1 e17    54    15    84    53  39    32    2.5   .21 .13
19 166    3.6 e16    35    13    47    39  25    18    3.3   22      1.1  
20 87    2.0 e15.5 36    9.9 32    35  18    13    1.8   4.0   3.0  
 
21 64    2.3 e15.5 45    8.0 24    89  30    11    9.4   2.1   .80
22 50    2.7 e15.5 462    7.0 17    555  61    9.1 7.3   1.3   .32
23 30    2.1 e15    619    6.5 13    785  42    9.3 3.9   4.0   .17
24 12    2.5 e14    404    5.9 11    281  27    8.2 4.9   22      .17
25 8.4 4.2 e13.5 161    7.3 11    110  17    8.1 2.3   40      .12
 
26 12    6.3 e13.5 105    13    8.6 71  12    8.5 1.5   15      .08
27 32    6.7 e14    101    42    7.1 146  9.6 26    1.0   5.0   8.8  
28 23    7.5 e14    119    32    6.1 328  7.6 12    .71 2.5   188     
29 25    10    e14    94    ---    5.3 112  8.0 7.7 .58 1.5   101     
30 26    e32    e14    69    ---    4.4 64  7.1 7.1 .76 .87 36     
 
31 13    ---    e13.5 64    ---    e12    ---  25    ---    .57 .57 ---     

TOTAL 1965.4 435.3 767.0 2658.0 1158.6 743.5 4035 945.3 1904.0 192.28 144.14 346.42
MEAN 63.4 14.5 24.7 85.7 41.4 24.0 134 30.5 63.5 6.20 4.65 11.5
MAX 626 216 96 619 96 100 785 65 398 49 40 188
MIN 8.4 2.0 14 12 5.9 4.4 15 7.1 7.1 .57 .21 .00
CFSM 2.08 .48 .81 2.81 1.36 .79 4.41 1.00 2.08 .20 .15 .38
IN. 2.40 .53 .94 3.24 1.41 .91 4.92 1.15 2.32 .23 .18 .42

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1999, BY WATER YEAR (WY)
MEAN 17.1 29.8 29.6 26.6 34.1 52.2 60.7 42.7 27.9 18.8 26.7 17.3
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 13.1 9.73 7.33 3.15 3.00 2.56 1.63
(WY) 1980 1977 1977 1977 1978 1996 1989 1977 1988 1979 1986 1974

SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1974 - 1999
ANNUAL TOTAL 13887.93     15294.94
ANNUAL MEAN 38.0       41.9   31.9  
HIGHEST ANNUAL MEAN 52.1   1993
LOWEST ANNUAL MEAN 9.25 1977
HIGHEST DAILY MEAN 626              Oct 18 785          Apr 23 1180      Aug 14 1987
LOWEST DAILY MEAN .55 A     Aug 31,Sep 1 .00     Sep 8,9,11 .00 B
ANNUAL SEVEN-DAY MINIMUM .64         Aug 27 .07     Sep 5 .00 Jan 12 1977
INSTANTANEOUS PEAK FLOW 1140          Apr 23 1650      Aug 14 1987
INSTANTANEOUS PEAK STAGE 9.00     Apr 23 14.03 Aug 14 1987
ANNUAL RUNOFF (CFSM) 1.25     1.37 1.05
ANNUAL RUNOFF (INCHES) 16.94     18.65 14.22
10 PERCENT EXCEEDS 89          88      74     
50 PERCENT EXCEEDS 21          16      14     
90 PERCENT EXCEEDS 2.8       .66 1.8  
A - Estimated, but may have been less during period of estimated discharges, June 18-Oct. 15.
B - 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