Station list     Available data
BIG MUDDY RIVER BASIN


05595820       CASEY FORK AT MT. VERNON, IL

 

LOCATION.-- Lat 38°17'12", long 88°52'19" (NAD of 1927), in NE1/4NE1/4 sec.9, T.3 S., R.3 E., Jefferson County, Hydrologic Unit 07140106, on left bank on upstream side of bridge on State Highway 142, 0.2 mi downstream from Sevenmile Creek, about 2 mi southeast of Mt. Vernon, and at mile 18.8.
 

DRAINAGE AREA.-- 76.9 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1985 to current year.
 

STAGE: Water years 1995-2002. October 1985 to September 1994 (8 AM gage heights). Gage-height record for April 1965 to May 1971 available in files of U.S. Army Corps of Engineers.
 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, rain gage, and crest-stage gage. Datum of gage is 420.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers).
 

REMARKS.-- Sewage-treatment plant upstream at Mt. Vernon.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 16,100 ft3/s, May 17, 1990, gage height 17.03 ft; minimum daily discharge, 0.15 ft3/s, Sept 29, 1989.
 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of Apr. 4, 1968, reached a stage of 14.60 ft, from records of U.S. Army Corps of Engineers.
 

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant upstream at Mt. Vernon averaged about 4.9 ft3/s.
DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 3.1 7.0 93  e11    2150  49  56  49  12    5.7 3.1 2.7
2 3.0 7.1 47  e10    258  103  49  45  10    4.5 3.2 2.8
3 3.0 6.5 32  e9.5 106  217  57  33  9.5 4.2 3.1 2.9
4 3.2 6.2 25  e9.0 69  69  41  27  8.4 4.4 3.0 2.7
5 4.5 5.7 22  e9.5 50  54  32  23  8.3 3.9 3.3 2.8
 
6 3.8 5.7 101  e10    44  51  28  210  8.4 3.6 3.1 3.1
7 3.1 5.8 93  e11    41  41  25  549  7.5 3.4 3.1 3.0
8 2.9 5.5 48  12    34  38  232  1670  7.0 3.4 3.1 3.0
9 2.8 5.5 31  14    30  1550  139  1010  6.6 3.4 3.1 2.8
10 3.2 5.4 23  16    27  1190  65  177  6.8 3.3 3.0 2.8
 
11 e6.0 4.9 19  16    24  130  47  85  8.1 3.1 3.0 2.7
12 e30    4.9 82  14    21  161  209  177  15    15    2.7 2.7
13 543    4.9 216  14    19  106  575  3500  45    6.0 3.8 2.8
14 730    4.7 604  14    17  81  1150  1910  12    4.3 3.2 2.8
15 55    4.8 230  13    17  84  266  140  7.4 4.2 3.2 2.6
 
16 133    4.8 639  11    16  282  89  82  6.1 4.0 3.1 2.7
17 40    4.8 1960  11    14  125  58  557  5.6 4.7 3.1 5.2
18 20    4.7 752  10    14  106  46  130  4.8 5.4 3.0 4.4
19 14    4.8 134  12    87  457  41  69  4.2 4.0 3.8 3.6
20 12    4.8 76  13    735  1090  96  50  4.5 3.5 3.1 20   
 
21 10    4.5 57  13    163  200  76  39  4.8 3.3 2.8 6.0
22 7.8 4.3 48  13    81  87  256  31  4.4 3.5 2.8 3.8
23 7.7 4.6 49  14    57  66  65  26  4.2 3.4 3.3 3.3
24 83    12    35  47    46  54  69  22  5.2 3.3 3.0 3.1
25 132    10    27  35    40  687  95  21  120    3.3 2.8 2.8
 
26 31    8.7 23  22    86  501  47  19  333    3.3 2.8 2.8
27 17    15    22  19    56  158  209  16  46    3.4 2.8 2.8
28 12    18    22  18    44  93  276  15  22    3.3 3.0 2.5
29 9.5 49    19  17    ---  307  86  15  9.1 3.2 2.9 2.5
30 8.4 414    15  29    ---  154  60  15  6.3 3.5 3.0 2.5
 
31 7.9 ---    e12  756    ---  76  ---  14  ---    3.2 2.9 ---   

TOTAL 1941.9 648.6 5556 1223.0 4346 8367 4540 10726 752.2 130.7 95.2 110.2
MEAN 62.64 21.62 179.2 39.45 155.2 269.9 151.3 346.0 25.07 4.216 3.071 3.673
MAX 730 414 1960 756 2150 1550 1150 3500 333 15 3.8 20
MIN 2.8 4.3 12 9.0 14 38 25 14 4.2 3.1 2.7 2.5
CFSM 0.81 0.28 2.33 0.51 2.02 3.51 1.97 4.50 0.33 0.05 0.04 0.05
IN. 0.94 0.31 2.69 0.59 2.10 4.05 2.20 5.19 0.36 0.06 0.05 0.05
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 2002, BY WATER YEAR (WY)
MEAN 10.69 87.14 62.60 110.5 132.3 143.1 174.1 140.1 52.26 24.75 8.077 16.04
MAX 62.6 542 233 327 383 456 540 809 279 101 28.6 155
(WY) 2002 1994 1991 1993 1986 1989 1996 1995 2000 1993 2000 1993
MIN 2.86 3.16 4.51 4.75 10.4 24.1 40.0 4.46 2.98 2.71 1.65 2.06
(WY) 1996 2000 1990 2000 1996 2001 2001 1988 1991 1991 1990 1995

SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1986 - 2002
ANNUAL TOTAL 19644.3   38436.8  
ANNUAL MEAN 53.82 105.3   79.72
HIGHEST ANNUAL MEAN 123      1994
LOWEST ANNUAL MEAN 21.3   1987
HIGHEST DAILY MEAN 1960          Dec 17 3500          May 13 9940      May 18 1995
LOWEST DAILY MEAN 2.8       Oct 9 2.5       Sep 28-30 0.15 Sep 29 1989
ANNUAL SEVEN-DAY MINIMUM 3.0       Sep 26 2.7       Sep 24 0.38 Dec 11 1989
MAXIMUM PEAK FLOW 4230          May 13 16100      May 17 1990
MAXIMUM PEAK STAGE 13.78     May 13 17.03 May 17 1990
INSTANTANEOUS LOW FLOW 1.5       Sep 15
ANNUAL RUNOFF (CFSM) 0.70 1.37 1.04
ANNUAL RUNOFF (INCHES) 9.50 18.59 14.09
10 PERCENT EXCEEDS 85      209      116     
50 PERCENT EXCEEDS 11      14      11     
90 PERCENT EXCEEDS 3.2   3.0   2.9  



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data