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;1999-2002.

 

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 rain gage, water-quality monitor, 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 for estimated daily discharges, which are poor.

DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
120 301 670 e150 3800 278 438 882 225 115   6.72.5  
216 549 483 e140 2650 274 1050 779 213 98   5.62.2  
313 1140 370 e135 1570 e320 1970 665 202 86   4.52.5  
410 742 306 e135 1130 e400 1180 512 199 78   3.52.1  
5192 534 266 140 778 e500 807 436 271 70   13   1.6  
 
6403 417 239 139 577 e700 619 405 232 60   12   1.3  
7323 348 217 128 460 e1000 531 375 201 53   5.50.96
8223 303 196 116 377 3130 937 330 186 47   3.60.93
9173 260 172 125 432 4600 4460 1070 178 80   2.90.95
10146 238 149 123 1430 3210 2530 1390 175 61   2.50.93
 
11127 224 139 102 1370 1410 1450 1370 198 49   1.80.62
12632 188 130 89 963 1010 983 9470 219 40   1.40.49
131540 175 142 87 683 909 715 12100 193 33   1.20.46
144920 188 162 96 524 770 590 4200 186 27   1.50.39
152690 185 197 88 453 630 516 2110 209 22   1.70.36
 
161610 167 246 79 381 460 433 1430 176 17   2.30.36
171280 149 442 72 312 386 385 1230 153 13   2.40.30
18934 140 770 e74 260 352 359 981 139 12   1.90.47
19713 148 592 76 298 300 350 771 128 18   3.91.2  
20547 145 426 74 1320 297 307 615 120 23   30   2.7  
 
21436 131 326 78 1490 266 334 503 113 15   19   2.2  
22391 130 291 75 908 221 443 433 107 14   9.81.6  
231160 125 290 75 656 232 383 392 107 12   11   1.9  
241360 128 251 71 539 220 351 470 105 8.59.72.6  
251510 142 231 65 454 202 631 507 105 6.49.42.2  
 
261090 132 e205 61 384 187 633 386 109 5.37.01.7  
27695 122 e200 59 318 182 572 320 140 5.96.11.4  
28520 116 e195 62 293 264 2950 293 206 5.85.31.2  
29420 117 e190 64 --- 387 2150 276 192 6.04.20.98
30344 280 e180 190 --- 603 1250 255 143 7.13.50.68
 
31315 --- e165 1890 --- 556 --- 242 --- 6.42.8---     

TOTAL247537964883848582481024256303074519851301094.4195.739.78
MEAN798.5265.5285.1156.7886.1782.510101458171.035.306.3131.326
MAX49201140770189038004600446012100271115302.7
MIN10116130592601823072421055.31.20.30
CFSM1.750.580.630.341.951.722.223.200.380.080.010.00
IN.2.020.650.720.402.031.982.483.700.420.090.020.00

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2002, BY WATER YEAR (WY)
MEAN148.8232.2299.7302.0454.4653.2689.9533.1468.4215.889.78158.3
MAX114822642398139920273378231627651776155114062494
(WY)194219861983195020011979195019431980195819721989
MIN0.0000.150.100.100.562.1426.746.713.90.400.580.000
(WY)194019571940194019401940194019561988198819471946

SUMMARY STATISTICSFOR 2001 CALENDAR YEARFOR 2002 WATER YEARWATER YEARS 1940 - 2002
ANNUAL TOTAL159887.71177443.88
ANNUAL MEAN438.0  486.1  352.7      
HIGHEST ANNUAL MEAN819         1993
LOWEST ANNUAL MEAN20.6      1940
HIGHEST DAILY MEAN9280         Feb 1012100         May 1319400         Dec 4 1982
LOWEST DAILY MEAN0.00    A0.30    Sep 170.00    B
ANNUAL SEVEN-DAY MINIMUM0.00    Aug 110.40    Sep 120.00    B
MAXIMUM PEAK FLOW14100         May 1322400      CDec 4 1982
MAXIMUM PEAK STAGE15.05    May 1319.70 DJul 15 1958
INSTANTANEOUS LOW FLOW0.21    Sep 17
ANNUAL RUNOFF (CFSM)0.961.070.78    
ANNUAL RUNOFF (INCHES)13.0714.5110.53    
10 PERCENT EXCEEDS1040     1150     873         
50 PERCENT EXCEEDS162     199     95         
90 PERCENT EXCEEDS5.0  2.5  1.6      

A - Several days.

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