Station list     Available data
KASKASKIA RIVER BASIN


05594800       SILVER CREEK NEAR FREEBURG, IL



LOCATION.-- Lat 38°24'22", long 89°52'26", in NE1/4NE1/4 sec.33, T.1 S., R.7 W., St. Clair County, Hydrologic Unit 07140204, on left bank at downstream side of bridge on State Highway 15, 2.2 mi southeast of Freeburg, 4.8 mi northwest of Fayetteville, and at mile 9.6.

DRAINAGE AREA.-- 464 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1970 to current year.
 

STAGE: Water years 1995-2000. October 1980 to September 1994 (8:00 a.m. gage heights).
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WDR IL-73-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and rain gage, phone telemeter, and crest-stage gage. Datum of gage is 381.40 ft above sea level.

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.
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 4.8 e1.8 e5.0 e3.5 e12  55  34  34  185  2300  2090  128 
2 14    e15    e4.3 e3.2 e12  50  30  29  112  1050  2520  94 
3 9.5 e13    e4.0 e15    e13  42  29  25  75  377  2060  76 
4 5.8 e10    e5.0 104    e14  38  26  23  54  400  970  63 
5 5.6 e8.5 e7.5 102    e15  42  24  22  50  424  275  54 
 
6 7.7 e7.0 e20    55    17  36  23  21  47  218  176  44 
7 6.7 e6.0 e18    40    17  30  30  37  45  153  190  40 
8 7.5 e5.4 e13    35    17  28  183  238  34  120  917  40 
9 51    e5.0 e10    30    17  29  98  245  26  98  1140  36 
10 88    e4.7 e50    32    17  26  53  200  20  82  1360  37 
 
11 45    e4.3 219    30    19  25  37  117  17  88  1610  72 
12 24    e4.0 95    25    18  28  32  74  22  654  1570  299 
13 16    e3.7 48    20    21  37  29  58  99  976  668  504 
14 8.9 e3.5 30    19    34  37  26  88  81  1010  219  435 
15 9.2 e3.3 18    17    37  32  23  65  55  764  143  242 
 
16 5.7 e3.1 e13    16    32  28  25  59  395  273  111  137 
17 5.2 e2.9 e11    16    25  24  54  40  1600  163  94  101 
18 9.2 e2.8 e10    18    121  23  65  29  1420  197  545  66 
19 9.5 e2.7 e9.0 24    848  29  43  23  533  1440  1080  47 
20 4.3 e2.6 e8.0 26    564  58  31  19  192  2520  1110  43 
 
21 3.6 e2.5 e7.4 21    199  130  26  16  441  2930  542  36 
22 4.1 e2.5 e6.4 18    99  139  26  15  582  2700  231  30 
23 4.7 e2.5 e5.8 16    62  113  27  48  340  2460  143  25 
24 3.4 e2.5 e5.4 18    47  85  34  92  901  1790  119  24 
25 e2.8 e4.0 e5.2 18    43  60  90  74  1660  534  644  125 
 
26 e2.6 e14    e7.5 e14    50  47  74  62  3400  195  1060  875 
27 e2.3 e11    e6.0 e12    80  52  49  701  4660  136  1070  1030 
28 e2.1 e8.5 e5.2 e11    91  92  47  1100  5210  286  1080  1030 
29 e2.0 e7.0 e4.7 e11    69  63  53  1080  4420  1030  873  790 
30 e1.9 e6.0 e4.2 e11    ---  48  44  951  3350  1160  362  296 
 
31 e1.8 ---    e3.8 e12    ---  39  ---  408  ---  1420  191  --- 

TOTAL 368.9 169.8 659.4 792.7 2610 1565 1365 5993 30026 27948 25163 6819
MEAN 11.9 5.66 21.3 25.6 90.0 50.5 45.5 193 1001 902 812 227
MAX 88 15 219 104 848 139 183 1100 5210 2930 2520 1030
MIN 1.8 1.8 3.8 3.2 12 23 23 15 17 82 94 24
CFSM .03 .01 .05 .06 .19 .11 .10 .42 2.16 1.94 1.75 .49
IN. .03 .01 .05 .06 .21 .13 .11 .48 2.41 2.24 2.02 .55

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 2000, BY WATER YEAR (WY)
MEAN 85.2 272 427 396 601 686 702 513 349 168 125 97.3
MAX 506 1543 2380 1438 1954 2390 1771 3579 1214 902 822 1142
(WY) 1987 1994 1983 1974 1982 1978 1979 1995 1998 2000 1998 1993
MIN 2.55 2.21 6.86 3.87 42.2 34.5 45.3 25.4 12.4 12.9 10.7 4.30
(WY) 1972 1972 1977 1977 1978 1981 1981 1976 1988 1976 1971 1983

SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1971 - 2000
ANNUAL TOTAL 137430.3       103479.8      
ANNUAL MEAN 377          283          367     
HIGHEST ANNUAL MEAN 660      1973
LOWEST ANNUAL MEAN 74.6   1976
HIGHEST DAILY MEAN 6920              Feb 10 5210              Jun 28 15000      May 19 1995
LOWEST DAILY MEAN 1.8   A     Oct 31,Nov 1 1.8   A     Oct 31,Nov 1 .00 B
ANNUAL SEVEN-DAY MINIMUM 2.1           Oct 26 2.1           Oct 26 .75 Sep 15 1983
INSTANTANEOUS PEAK FLOW 5380              Jun 28 15300      May 19 1995
INSTANTANEOUS PEAK STAGE 17.97         Jun 28 25.38 May 19 1995
ANNUAL RUNOFF (CFSM) .81     .61     .79
ANNUAL RUNOFF (INCHES) 11.02     8.30     10.74
10 PERCENT EXCEEDS 1130          986          1040     
50 PERCENT EXCEEDS 93          37          71     
90 PERCENT EXCEEDS 4.3       4.8       8.6  
A - Estimated, but may have been less during periods of estimated discharges in Oct. and Nov.
B - Aug. 4-6, 1993, during period of backwater from the Mississippi River. Minimum daily discharge unaffected by backwater, 0.41 ft3/s, Sept. 17, 1983.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data