Station list     Available data
ILLINOIS RIVER BASIN


05536000       NORTH BRANCH CHICAGO RIVER AT NILES, IL

 

LOCATION.-- Lat 42°00'44", long 87°47'45" (NAD of 1983), in SW1/4SE1/4 sec.30, T.41 N., R.13 E., Cook County, Hydrologic Unit 07120003, on right bank at downstream side of bridge on Touhy Avenue in Niles, 3.6 mi downstream from West Fork of North Branch, 7.9 mi upstream from North Shore Channel, and at mile 51.4.
 

DRAINAGE AREA.-- 100 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1950 to current year. Prior to October 1952, records published with those for streams in the St. Lawrence River basin (WSP 1207, 1237).
 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978 to 1991. Additional chemical data for water years 1972-77 are published in Water-Resources Investigations 78-22 and 79-23 as site HCC 07.
 

SEDIMENT: October 1984 to September 1986.

BIOLOGICAL
 

ALGAE: Water years 1989-90.
 

REVISED RECORDS.-- WDR IL-75-1: Drainage area.
 

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 601.99 ft above NGVD of 1929 (601.72 ft NAVD 1988).
 

REMARKS.-- Diurnal fluctuation at low flow caused by sewage-treatment plants.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 2,590 ft3/s, Aug. 14, 1987, gage height, 11.35 ft; minimum daily discharge, .10 ft3/s, Sept. 30, 1953.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 285 mg/L July 15, 1985; minimum daily mean, 2 mg/L Jan. 23 to Feb. 21, 1985, and Jan. 30-31, 1986.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 566 tons July 8, 1986; minimum daily, 0.14 ton Jan. 29, Jan. 31 to Feb. 4, Feb. 6-11, 15-19, 1985.
 

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 22  141  248  37  51  177  95  44  45  23  41  28 
2 42  249  154  90  49  150  82  42  34  23  29  25 
3 30  112  115  104  48  131  72  43  33  19  24  24 
4 21  195  98  116  54  120  67  43  61  26  28  21 
5 19  143  87  92  89  117  62  42  75  119  26  20 
 
6 19  93  104  e80  179  118  62  39  44  58  24  21 
7 19  72  346  e70  345  156  59  34  40  41  23  23 
8 96  59  472  e66  434  185  55  39  39  37  22  37 
9 96  54  212  65  296  128  53  42  38  32  22  36 
10 48  49  161  61  211  110  50  52  56  28  21  28 
 
11 37  45  163  87  166  113  49  90  62  26  28  26 
12 34  40  129  374  142  104  85  82  39  27  153  24 
13 31  36  101  1110  190  91  95  60  33  32  77  26 
14 29  31  81  850  533  84  60  61  39  33  48  34 
15 34  31  67  578  509  77  54  52  38  28  40  34 
 
16 30  31  62  358  414  74  53  46  25  26  33  67 
17 25  31  54  282  283  79  51  43  28  25  31  45 
18 24  39  48  221  198  88  48  45  26  25  53  34 
19 25  98  42  159  166  100  49  253  24  25  83  69 
20 25  99  e38  133  187  110  55  177  22  107  321  54 
 
21 27  71  e33  112  219  102  47  91  22  157  129  41 
22 23  57  32  e96  186  94  107  75  24  65  65  108 
23 228  52  e30  e84  157  94  106  69  24  53  51  202 
24 128  78  e28  e78  134  89  66  53  23  49  44  71 
25 68  139  e26  76  118  104  56  48  23  66  44  51 
 
26 54  109  e24  77  106  98  53  48  22  126  40  96 
27 48  204  22  68  97  85  49  45  23  104  38  77 
28 41  234  e20  60  174  77  48  47  24  55  37  77 
29 68  126  e18  52  ---  73  47  44  25  44  31  115 
30 49  125  18  48  ---  103  46  39  24  42  29  58 
 
31 44  ---  30  48  ---  163  ---  38  ---  39  29  --- 

TOTAL 1484 2843 3063 5732 5735 3394 1881 1926 1035 1560 1664 1572
MEAN 47.9 94.8 98.8 185 205 109 62.7 62.1 34.5 50.3 53.7 52.4
MAX 228 249 472 1110 533 185 107 253 75 157 321 202
MIN 19 31 18 37 48 73 46 34 22 19 21 20
CFSM 0.48 0.95 0.99 1.85 2.05 1.09 0.63 0.62 0.34 0.50 0.54 0.52
IN. 0.55 1.06 1.14 2.13 2.13 1.26 0.70 0.72 0.39 0.58 0.62 0.58
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2005, BY WATER YEAR (WY)
MEAN 68.1 80.4 82.0 78.3 108 168 185 134 107 80.1 79.1 69.3
MAX 472 349 381 239 358 582 496 445 339 290 401 315
(WY) 2002 1986 1983 1974 1997 1979 1999 1996 1996 1982 1987 1972
MIN 2.83 5.53 6.56 5.51 4.87 28.6 50.0 24.9 19.0 9.46 6.15 4.54
(WY) 1953 1954 1951 1963 1963 1968 1986 1952 1963 1956 1955 1953

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1951 - 2005
ANNUAL TOTAL 40569      31889           
ANNUAL MEAN 111      87.4         103     
HIGHEST ANNUAL MEAN 171      1993
LOWEST ANNUAL MEAN 28.0   1963
HIGHEST DAILY MEAN 986          May 23 1110                Jan 13 2030      Aug 15 1987
LOWEST DAILY MEAN 16          Sep 26 18        A     Dec 29,30 0.10 Sep 30 1953
ANNUAL SEVEN-DAY MINIMUM 19          Sep 23 22                Dec 24 1.3   Oct 9 1952
MAXIMUM PEAK FLOW 1210                Jan 13 2590      Aug 14 1987
MAXIMUM PEAK STAGE 7.85           Jan 13 11.35 Aug 14 1987
INSTANTANEOUS LOW FLOW 16                B
ANNUAL RUNOFF (CFSM) 1.11 0.874     1.03
ANNUAL RUNOFF (INCHES) 15.09 11.86       14.02
10 PERCENT EXCEEDS 256      175            247     
50 PERCENT EXCEEDS 52      54            49     
90 PERCENT EXCEEDS 24      24            13     

A - Dec. 29, estimated.

B - Several days.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data