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
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
10.442.42.4e4.1  e0.96e2.37.753 504 31 86   18   
20.472.32.24.6  e1.1  e2.26.5206 264 26 71   36   
30.372.12.34.6  e1.2  e2.26.1145 210 22 58   23   
40.711.82.24.3  e1.5  e2.38.889 181 18 56   21   
50.562.22.03.9  e2.0  e2.429   364 156 22 52   17   
 
60.352.31.7e3.6  e2.9  e2.625   633 128 30 46   12   
70.291.91.7e3.3  e2.5  e3.033   322 121 62 41   9.8
80.471.61.6e3.5  e2.2  e3.736   211 116 80 39   7.1
90.702.21.3e3.8  e2.1  e4.336   767 105 1050 34   6.6
100.752.31.3e4.5  e1.9  e5.036   1230 91 2490 29   6.9
 
110.592.11.3e5.2  e1.8  e4.530   1630 82 2060 30   4.6
120.591.81.4e3.5  e1.7  e6.625   1200 79 1350 53   3.9
130.821.71.6e2.8  e1.6  e10   22   599 73 966 34   3.6
141.3  1.71.6e2.4  e1.6  e21   19   402 70 622 26   4.0
150.932.21.7e2.0  e1.5  19   16   393 79 1240 22   3.8
 
160.702.71.9e1.8  e1.6  22   13   353 69 1920 19   3.6
170.632.42.1e1.6  e1.6  21   11   253 55 1070 16   3.6
180.642.43.6e1.4  e1.7  22   11   204 53 4170 13   3.2
190.672.86.1e1.3  e1.8  23   11   173 69 6920 11   2.8
200.652.39.4e1.1  e1.9  28   12   213 79 2300 9.42.6
 
210.742.26.6e1.0  e2.1  34   13   251 67 1700 8.42.4
220.702.35.4e0.90e2.3  32   13   183 53 1380 7.42.3
230.732.34.6e0.80e2.5  27   13   151 47 880 6.22.3
240.892.2e4.1e0.72e2.7  24   12   130 43 574 5.62.2
251.2  2.2e3.9e0.68e3.0  20   12   117 39 366 4.82.1
 
261.6  2.2e3.7e0.68e2.6  17   11   104 35 240 5.12.6
271.7  2.3e3.6e0.68e2.4  13   11   90 34 181 5.54.8
282.4  2.2e3.4e0.72e2.3  11   12   83 34 219 4.04.6
291.1  2.5e3.2e0.76---     10   9.7292 40 176 5.04.4
301.5  2.6e3.1e0.80---     11   12   322 37 131 4.23.6
 
311.6  ---   e3.4e0.88---     9.4---   394 --- 98 5.4---   

TOTAL26.7966.294.471.9255.06415.5512.811557301332394807.0224.4
MEAN0.862.213.052.321.9713.417.1373100104526.07.48
MAX2.42.89.45.23.03436163050469208636
MIN0.291.61.30.680.962.26.15334184.02.1
CFSM0.000.000.010.010.000.030.040.820.222.300.060.02
IN.0.000.010.010.010.000.030.040.940.252.650.070.02

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2003, BY WATER YEAR (WY)
MEAN14622829529744764367953046222988.7156
MAX114822642398139920273378231627651776155114062494
(WY)194219861983195020011979195019431980195819721989
MIN0.0000.150.100.100.562.1417.146.713.90.400.580.000
(WY)194019571940194019401940200319561988198819471946

SUMMARY STATISTICSFOR 2002 CALENDAR YEARFOR 2003 WATER YEARWATER YEARS 1940 - 2003
ANNUAL TOTAL136076.2749238.07
ANNUAL MEAN373     135     349         
HIGHEST ANNUAL MEAN819         1993
LOWEST ANNUAL MEAN20.6      1940
HIGHEST DAILY MEAN12100         May 136920         Jul 1919400         Dec 4 1982
LOWEST DAILY MEAN0.29    Oct 70.29    Oct 70.00    A
ANNUAL SEVEN-DAY MINIMUM0.40    Sep 120.46    Oct 10.00    A
MAXIMUM PEAK FLOW8220         Jul 1922400      BDec 4 1982
MAXIMUM PEAK STAGE11.11    Jul 1919.70 CJul 15 1958
INSTANTANEOUS LOW FLOW0.28    Oct 3, 4, 6, 7
ANNUAL RUNOFF (CFSM)0.820.300.77    
ANNUAL RUNOFF (INCHES)11.134.0310.42    
10 PERCENT EXCEEDS947     227     864         
50 PERCENT EXCEEDS65     5.2  91         
90 PERCENT EXCEEDS0.971.1  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.



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Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data