Station list     Available data
BIG MUDDY RIVER BASIN


05595820       CASEY FORK AT MT. VERNON, IL



LOCATION.-- Lat 38°17'12", long 88°52'19", in NW1/4NW1/4 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 1995-2000. 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, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 420.00 ft above sea level (levels by U.S. Army Corps of Engineers).

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

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 fair except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant upstream at Mt. Vernon averaged about 3.8 ft3/s.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 3.3 e3.3 e3.0 3.5 e3.2 26    18  35    7.5 15    40    3.3
2 3.1 e3.4 e3.0 3.7 e3.2 18    18  30    6.3 12    19    3.1
3 3.3 e3.3 e3.5 27    e3.2 15    17  26    5.2 11    14    3.1
4 3.5 e3.3 9.0 14    e3.2 18    15  27    4.7 10    11    3.1
5 3.5 e3.2 6.7 6.9 3.2 15    14  19    5.8 8.5 8.6 3.0
 
6 3.4 e3.2 3.4 4.5 3.2 12    13  16    4.6 31    7.4 3.0
7 3.4 e3.1 2.8 e4.0 3.9 9.5 29  77    4.1 18    11    2.9
8 13    e3.1 2.7 e3.7 3.2 8.0 242  91    3.9 9.7 470    2.9
9 7.1 e3.0 11    e3.5 3.1 7.9 69  72    4.0 7.2 126    2.6
10 4.3 2.9 40    e3.5 3.2 6.4 44  104    4.0 5.8 39    3.4
 
11 3.4 2.9 6.9 e3.3 3.0 12    34  37    4.4 8.8 20    3.1
12 3.6 2.9 16    e3.2 3.1 21    26  24    13    47    13    3.4
13 3.6 2.9 8.4 e3.2 20    42    21  47    8.2 30    9.9 3.2
14 4.0 3.0 8.1 e3.2 21    104    19  27    5.0 17    7.7 2.9
15 3.9 3.2 5.8 e3.3 9.1 48    18  16    4.4 13    6.3 3.0
 
16 4.0 3.1 4.9 e3.2 5.2 120    18  13    31    11    5.4 2.7
17 5.7 3.0 4.3 e4.0 5.3 116    100  11    2210    9.6 4.8 2.6
18 4.3 e3.0 3.8 e6.0 184    48    54  10    855    11    6.9 2.8
19 e3.5 e3.0 3.4 e4.2 113    69    36  9.0 89    93    6.4 2.8
20 e3.2 e2.9 e3.3 e3.5 26    1210    29  7.8 46    23    5.0 3.3
 
21 e3.2 e3.1 e3.3 e3.3 14    334    24  7.4 126    12    4.9 4.4
22 e3.4 e3.5 e3.3 e3.2 11    106    20  7.3 54    8.9 6.7 3.1
23 e4.0 e3.8 e3.2 e3.2 9.4 68    17  9.7 28    7.8 5.5 2.8
24 e4.0 4.1 e3.1 e3.3 17    53    38  9.9 2920    6.5 6.1 2.7
25 e3.5 3.1 e2.8 e3.3 13    42    66  7.7 1600    5.9 5.1 30   
 
26 e3.3 3.1 e2.9 e3.2 286    34    36  12    166    5.6 5.2 21   
27 e3.3 3.1 e3.2 e3.2 435    55    64  39    82    5.6 5.5 7.9
28 e3.2 e3.1 4.0 e3.2 78    46    281  35    41    11    4.7 4.6
29 e3.1 e3.1 3.8 e3.2 40    30    84  16    28    194    4.3 3.9
30 e3.5 e3.1 3.7 e3.2 ---    24    50  11    20    552    3.9 3.4
 
31 e3.5 ---    3.5 e3.4 ---    21    ---  9.0 ---    84    3.6 ---   

TOTAL 125.1 94.8 186.8 147.1 1325.7 2738.8 1514 862.8 8381.1 1284.9 886.9 144.0
MEAN 4.04 3.16 6.03 4.75 45.7 88.3 50.5 27.8 279 41.4 28.6 4.80
MAX 13 4.1 40 27 435 1210 281 104 2920 552 470 30
MIN 3.1 2.9 2.7 3.2 3.0 6.4 13 7.3 3.9 5.6 3.6 2.6
CFSM .05 .04 .08 .06 .59 1.15 .66 .36 3.63 .54 .37 .06
IN. .06 .05 .09 .07 .64 1.32 .73 .42 4.05 .62 .43 .07

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 2000, BY WATER YEAR (WY)
MEAN 7.72 96.0 57.6 118 127 143 185 135 56.5 25.8 8.02 17.7
MAX 27.2 542 233 327 383 456 540 809 279 101 28.6 155
(WY) 1994 1994 1991 1993 1986 1989 1996 1995 2000 1993 2000 1993
MIN 2.86 3.16 4.51 4.75 10.4 32.2 40.1 4.46 2.98 2.71 1.65 2.06
(WY) 1996 2000 1990 2000 1996 1987 1995 1988 1991 1991 1990 1995

SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1986 - 2000
ANNUAL TOTAL 39641.6   17692.0  
ANNUAL MEAN 109      48.3   81.0  
HIGHEST ANNUAL MEAN 123      1994
LOWEST ANNUAL MEAN 21.3   1987
HIGHEST DAILY MEAN 3420          Feb 7 2920          Jun 24 9940      May 18 1995
LOWEST DAILY MEAN 2.7       A 2.6       B .15 Sep 29 1989
ANNUAL SEVEN-DAY MINIMUM 2.9       Sep 21 2.9       Sep 13 .38 Dec 11 1989
INSTANTANEOUS PEAK FLOW 4780          Jun 24 16100      May 17 1990
INSTANTANEOUS PEAK STAGE 14.03     Jun 24 17.03 May 17 1990
ANNUAL RUNOFF (CFSM) 1.41 .63 1.05
ANNUAL RUNOFF (INCHES) 19.18 8.56 14.31
10 PERCENT EXCEEDS 163      67      115     
50 PERCENT EXCEEDS 9.6   6.4   11     
90 PERCENT EXCEEDS 3.1   3.1   2.9  
A - Sept. 26, Dec. 8, but may have been less during periods of estimated discharges in October through December.
B - Sept. 9, 17, but may have been less during periods of estimated discharges in October through December.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data