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 2003 TO SEPTEMBER 2004
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
13.15.3255 111 e42 137 1070 687 4810 78   5.8497   
22.86.2197 113 e44 156 836 854 1790 71   5.9318   
32.68.7177 124 e46 140 682 626 1250 66   5.6208   
42.512   177 119 e44 144 556 502 879 74   146   135   
52.468   193 110 e42 1990 452 425 659 78   354   95   
 
62.273   243 100 e40 2540 407 357 524 77   188   74   
72.054   266 122 e38 1440 386 356 428 61   87   58   
81.846   299 90 e37 990 352 553 351 50   48   46   
91.737   323 98 e34 761 301 541 295 45   31   38   
101.832   639 88 e33 599 261 428 285 49   21   32   
 
111.631   1080 82 e32 514 243 367 614 51   15   27   
121.229   700 94 e31 410 226 422 1680 54   13   24   
131.124   492 95 e30 340 216 451 1400 51   10   21   
142.321   417 99 e29 314 214 698 897 42   9.318   
152.922   352 117 e28 292 195 1400 646 33   7.216   
 
168.021   317 101 e27 269 182 1050 506 30   6.220   
176.320   271 93 e26 268 180 747 429 31   6.925   
185.2233   242 129 e32 259 174 595 361 32   23   19   
194.12040   218 136 e40 243 170 490 302 48   176   15   
203.71440   202 100 e60 240 179 431 260 43   154   12   
 
213.2892   246 83 e125 232 310 386 245 32   112   11   
223.3634   178 99 e325 199 376 363 248 25   74   9.7
233.5536   162 81 e250 192 287 376 225 19   52   8.9
243.41110   146 68 264 213 253 353 191 15   39   8.1
255.71020   137 e62 216 229 693 418 166 11   46   7.3
 
2614   690   167 e58 175 276 1010 615 135 9.4396   6.6
2712   533   116 e52 155 710 676 496 113 8.2705   6.4
2812   435   122 e46 122 734 498 404 109 7.21900   6.1
298.9358   131 e43 116 1690 389 325 99 6.31770   5.5
306.5313   127 e40 --- 1490 327 758 88 6.01280   5.1
 
316.0---   120 e40 --- 1150 --- 6590 --- 6.0799   ---   

TOTAL137.810744.2871227932483191611210123064199851209.18485.91772.7
MEAN4.4535828190.185.661840374466639.027459.1
MAX14204010801363252540107065904810781900497
MIN1.15.31164026137170325886.05.65.1
CFSM0.010.790.620.200.191.360.891.641.460.090.600.13
IN.0.010.880.710.230.201.570.991.891.630.100.690.14

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2004, BY WATER YEAR (WY)
MEAN14423129529444164267453446622691.7154
MAX114822642398139920273378231627651776155114062494
(WY)194219861983195020011979195019431980195819721989
MIN0.000.150.100.100.562.1417.146.713.90.400.580.00
(WY)194019571940194019401940200319561988198819471946

SUMMARY STATISTICSFOR 2003 CALENDAR YEARFOR 2004 WATER YEARWATER YEARS 1940 - 2004
ANNUAL TOTAL68644.68  110648.7    
ANNUAL MEAN188       302       348           
HIGHEST ANNUAL MEAN819           1993
LOWEST ANNUAL MEAN20.6        1940
HIGHEST DAILY MEAN6920           Jul 196590           May 3119400           Dec 4 1982
LOWEST DAILY MEAN0.68      A1.1        Oct 130.00      B
ANNUAL SEVEN-DAY MINIMUM0.72      Jan 231.6        Oct 70.00      B
MAXIMUM PEAK FLOW8520           May 3122400        CDec 4 1982
MAXIMUM PEAK STAGE11.35      May 3119.70   DJul 15 1958
INSTANTANEOUS LOW FLOW0.96      Oct 13
ANNUAL RUNOFF (CFSM)0.4130.6640.766    
ANNUAL RUNOFF (INCHES)5.61  9.05  10.40      
10 PERCENT EXCEEDS458       706       862           
50 PERCENT EXCEEDS21       124       92           
90 PERCENT EXCEEDS1.9    6.3    1.6        

A - Jan. 25-27, estimated due to backwater from ice.

B - At times in many years.

C - Gage height, 19.51 ft.

D - 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