Station list     Available data
ILLINOIS RIVER BASIN


05530990       SALT CREEK AT ROLLING MEADOWS, IL



LOCATION.-- Lat 42°03'37", long 88°01'00", 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 1994-2001.
 

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).

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,650 ft3/s, Aug. 14, 1987, gage height, 14.03 ft; no flow, Jan. 12-Feb. 8, 1977, as a result of freezeup, Aug. 20, 25, 1986, and Sept. 8, 9, 11, 1999.

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 6.9 6.5 12    7.9 57  33    14    9.3 65    2.2   1.6   4.0  
2 6.9 12    10    7.2 72  28    11    7.7 79    1.7   .99 2.4  
3 9.7 7.5 8.6 7.9 38  21    9.3 7.5 41    1.9   1.2   1.5  
4 82    4.7 8.1 8.5 26  20    12    4.6 28    1.6   1.3   1.1  
5 32    5.7 7.9 8.8 20  16    37    4.1 69    1.6   1.1   .84
 
6 30    45    6.6 8.8 18  16    44    9.1 57    1.5   .99 6.2  
7 16    171    e6.3 9.0 17  11    33    28    44    16      1.9   19     
8 13    49    e5.7 9.0 81  10    21    26    40    2.1   .78 3.8  
9 8.9 280    5.5 8.5 636  8.6 34    11    25    1.3   34      13     
10 7.2 183    e5.0 8.4 290  8.4 27    77    18    1.1   42      9.3  
 
11 6.1 67    4.4 8.8 95  15    45    275    12    .77 7.8   3.2  
12 6.2 48    e5.0 9.7 59  22    70    85    58    .77 3.1   1.7  
13 5.5 51    e7.0 12    46  25    41    42    37    .85 3.6   1.2  
14 4.9 39    e7.3 28    57  20    31    32    19    .95 1.4   .69
15 6.5 31    7.7 49    57  73    36    22    15    .88 .98 .43
 
16 5.3 26    e7.9 47    64  104    26    28    10    .60 43      .31
17 4.1 22    e8.0 35    30  77    21    16    6.3 12      9.2   1.0  
18 7.6 17    7.7 31    24  60    18    8.4 28    2.4   5.9   4.9  
19 4.0 13    7.9 25    18  55    15    4.9 9.7 1.1   14      892     
20 5.1 11    6.9 19    14  48    29    3.7 5.5 1.8   4.6   376     
 
21 3.5 13    7.3 23    24  41    39    19    8.2 1.0   2.0   373     
22 3.0 8.5 8.8 13    14  36    37    13    4.6 46      210      116     
23 3.7 7.3 e8.3 12    11  32    42    12    3.2 60      361      126     
24 8.4 6.7 e8.0 11    125  27    31    16    3.1 51      43      89     
25 4.8 8.0 e7.1 9.3 242  21    23    17    4.7 81      59      65     
 
26 6.0 21    e6.6 8.9 80  16    19    35    7.6 20      92      54     
27 6.7 15    e6.8 7.9 49  14    16    66    1.9 7.8   24      44     
28 4.6 11    e6.9 7.3 36  12    12    35    2.5 3.9   11      39     
29 3.6 13    7.2 35    ---  12    10    19    2.4 2.8   5.3   34     
30 5.0 11    7.8 e162    ---  11    9.6 11    2.7 2.2   3.9   28     
 
31 5.3 ---    8.3 91    ---  13    ---    22    ---    2.2   20      ---     

TOTAL 322.5 1203.9 228.6 728.9 2300 906.0 812.9 966.3 707.4 331.02 1010.64 2310.57
MEAN 10.4 40.1 7.37 23.5 82.1 29.2 27.1 31.2 23.6 10.7 32.6 77.0
MAX 82 280 12 162 636 104 70 275 79 81 361 892
MIN 3.0 4.7 4.4 7.2 11 8.4 9.3 3.7 1.9 .60 .78 .31
CFSM .34 1.32 .24 .77 2.69 .96 .89 1.02 .77 .35 1.07 2.53
IN. .39 1.47 .28 .89 2.81 1.11 .99 1.18 .86 .40 1.23 2.82
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 2001, BY WATER YEAR (WY)
MEAN 16.5 29.2 28.3 25.7 35.5 49.9 59.6 41.8 28.0 18.8 26.2 20.7
MAX 63.4 120 107 85.7 113 202 136 148 87.6 83.6 136 77.0
(WY) 1999 1986 1983 1999 1997 1979 1983 1996 1996 1993 1987 2001
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 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1974 - 2001
ANNUAL TOTAL 9496.83 11828.73
ANNUAL MEAN 25.9   32.4   31.6  
HIGHEST ANNUAL MEAN 52.1   1993
LOWEST ANNUAL MEAN 9.25 1977
HIGHEST DAILY MEAN 481          Apr 20 892          Sep 19 1180      Aug 14 1987
LOWEST DAILY MEAN .39     Jul 26,27 .31     Sep 16 .00 A
ANNUAL SEVEN-DAY MINIMUM .59     Jul 21 .85     Jul 10 .00 Jan 12 1977
MAXIMUM PEAK FLOW 1370          Sep 19 1650      Aug 14 1987
MAXIMUM PEAK STAGE 10.62     Sep 19 14.03 Aug 14 1987
INSTANTANEOUS LOW FLOW .23     Sep 17
ANNUAL RUNOFF (CFSM) .85 1.06 1.04
ANNUAL RUNOFF (INCHES) 11.58 14.43 14.10
10 PERCENT EXCEEDS 59      65      73     
50 PERCENT EXCEEDS 8.3   12      13     
90 PERCENT EXCEEDS 1.7   2.0   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