Station list     Available data
ILLINOIS RIVER BASIN


05542000       MAZON RIVER NEAR COAL CITY, IL

 

LOCATION.-- Lat 41°17'10", long 88°21'35" (NAD of 1927), in SW1/4SW1/4 sec.31, T.33 N., R.8 E., Grundy County, Hydrologic Unit 07120005, on right bank at downstream side of bridge on State Highway 113, 0.3 mi downstream from Johnny Run, 3 mi west of Coal City, and at mile 15.0.
 

DRAINAGE AREA.-- 455 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1939 to October 1995. October 1998 to current year.
 

STAGE: Water years 1994-1996;1999 to current year.
 

PARTIAL RECORD: Annual maximum, water years 1997-98.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978-91.
 

REVISED RECORDS.-- WSP 1035: 1943(P). WSP 1115: 1946. WDR IL-75-1: Drainage area.
 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 527.41 ft. above NGVD of 1929. Prior to Apr. 30, 1940, and October 1996 to September 1998, nonrecording gage at same site and datum.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 22,400 ft3/s, Dec. 4, 1982, gage height, 19.51 ft; maximum gage height, 19.70 ft, July 15, 1958, discharge, 17,600 ft3/s, from rating extended above 12,000 ft3/s; no flow at times in many years.
 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of Aug. 8, 1924 reached a stage of about 21 ft, discharge not determined.
 

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 0.44 2.4 2.4 e4.1   e0.96 e2.3 7.7 53  504  31  86    18   
2 0.47 2.3 2.2 4.6   e1.1   e2.2 6.5 206  264  26  71    36   
3 0.37 2.1 2.3 4.6   e1.2   e2.2 6.1 145  210  22  58    23   
4 0.71 1.8 2.2 4.3   e1.5   e2.3 8.8 89  181  18  56    21   
5 0.56 2.2 2.0 3.9   e2.0   e2.4 29    364  156  22  52    17   
 
6 0.35 2.3 1.7 e3.6   e2.9   e2.6 25    633  128  30  46    12   
7 0.29 1.9 1.7 e3.3   e2.5   e3.0 33    322  121  62  41    9.8
8 0.47 1.6 1.6 e3.5   e2.2   e3.7 36    211  116  80  39    7.1
9 0.70 2.2 1.3 e3.8   e2.1   e4.3 36    767  105  1050  34    6.6
10 0.75 2.3 1.3 e4.5   e1.9   e5.0 36    1230  91  2490  29    6.9
 
11 0.59 2.1 1.3 e5.2   e1.8   e4.5 30    1630  82  2060  30    4.6
12 0.59 1.8 1.4 e3.5   e1.7   e6.6 25    1200  79  1350  53    3.9
13 0.82 1.7 1.6 e2.8   e1.6   e10    22    599  73  966  34    3.6
14 1.3   1.7 1.6 e2.4   e1.6   e21    19    402  70  622  26    4.0
15 0.93 2.2 1.7 e2.0   e1.5   19    16    393  79  1240  22    3.8
 
16 0.70 2.7 1.9 e1.8   e1.6   22    13    353  69  1920  19    3.6
17 0.63 2.4 2.1 e1.6   e1.6   21    11    253  55  1070  16    3.6
18 0.64 2.4 3.6 e1.4   e1.7   22    11    204  53  4170  13    3.2
19 0.67 2.8 6.1 e1.3   e1.8   23    11    173  69  6920  11    2.8
20 0.65 2.3 9.4 e1.1   e1.9   28    12    213  79  2300  9.4 2.6
 
21 0.74 2.2 6.6 e1.0   e2.1   34    13    251  67  1700  8.4 2.4
22 0.70 2.3 5.4 e0.90 e2.3   32    13    183  53  1380  7.4 2.3
23 0.73 2.3 4.6 e0.80 e2.5   27    13    151  47  880  6.2 2.3
24 0.89 2.2 e4.1 e0.72 e2.7   24    12    130  43  574  5.6 2.2
25 1.2   2.2 e3.9 e0.68 e3.0   20    12    117  39  366  4.8 2.1
 
26 1.6   2.2 e3.7 e0.68 e2.6   17    11    104  35  240  5.1 2.6
27 1.7   2.3 e3.6 e0.68 e2.4   13    11    90  34  181  5.5 4.8
28 2.4   2.2 e3.4 e0.72 e2.3   11    12    83  34  219  4.0 4.6
29 1.1   2.5 e3.2 e0.76 ---      10    9.7 292  40  176  5.0 4.4
30 1.5   2.6 e3.1 e0.80 ---      11    12    322  37  131  4.2 3.6
 
31 1.6   ---    e3.4 e0.88 ---      9.4 ---    394  ---  98  5.4 ---   

TOTAL 26.79 66.2 94.4 71.92 55.06 415.5 512.8 11557 3013 32394 807.0 224.4
MEAN 0.86 2.21 3.05 2.32 1.97 13.4 17.1 373 100 1045 26.0 7.48
MAX 2.4 2.8 9.4 5.2 3.0 34 36 1630 504 6920 86 36
MIN 0.29 1.6 1.3 0.68 0.96 2.2 6.1 53 34 18 4.0 2.1
CFSM 0.00 0.00 0.01 0.01 0.00 0.03 0.04 0.82 0.22 2.30 0.06 0.02
IN. 0.00 0.01 0.01 0.01 0.00 0.03 0.04 0.94 0.25 2.65 0.07 0.02
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2003, BY WATER YEAR (WY)
MEAN 146 228 295 297 447 643 679 530 462 229 88.7 156
MAX 1148 2264 2398 1399 2027 3378 2316 2765 1776 1551 1406 2494
(WY) 1942 1986 1983 1950 2001 1979 1950 1943 1980 1958 1972 1989
MIN 0.000 0.15 0.10 0.10 0.56 2.14 17.1 46.7 13.9 0.40 0.58 0.000
(WY) 1940 1957 1940 1940 1940 1940 2003 1956 1988 1988 1947 1946

SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1940 - 2003
ANNUAL TOTAL 136076.27 49238.07
ANNUAL MEAN 373      135      349         
HIGHEST ANNUAL MEAN 819          1993
LOWEST ANNUAL MEAN 20.6       1940
HIGHEST DAILY MEAN 12100          May 13 6920          Jul 19 19400          Dec 4 1982
LOWEST DAILY MEAN 0.29     Oct 7 0.29     Oct 7 0.00     A
ANNUAL SEVEN-DAY MINIMUM 0.40     Sep 12 0.46     Oct 1 0.00     A
MAXIMUM PEAK FLOW 8220          Jul 19 22400      B Dec 4 1982
MAXIMUM PEAK STAGE 11.11     Jul 19 19.70 C Jul 15 1958
INSTANTANEOUS LOW FLOW 0.28     Oct 3, 4, 6, 7
ANNUAL RUNOFF (CFSM) 0.82 0.30 0.77    
ANNUAL RUNOFF (INCHES) 11.13 4.03 10.42    
10 PERCENT EXCEEDS 947      227      864         
50 PERCENT EXCEEDS 65      5.2   91         
90 PERCENT EXCEEDS 0.97 1.1   1.6      

A - At times in many years.

B - Gage height, 19.51 ft.

C - Discharge, 17,600 ft3/s, from rating extended above 12,000 ft3/s.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data