Station list     Available data
ILLINOIS RIVER BASIN


05577500       SPRING CREEK AT SPRINGFIELD, IL



LOCATION.-- Lat 39°48'55", long 89°41'55", in NW1/4NE1/4 sec.30, T.16 N., R.5 W., Sangamon County, Hydrologic Unit 07130008, on right bank at downstream side of bridge on State Highways 125 and 97 (Jefferson Street), 0.1 mi east of intersection of State Highway 4 (Veterans Parkway) and State Highways 125 and 97 (Jefferson Street), in Springfield, and at mile 8.2.

DRAINAGE AREA.-- 107 mi2.

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

DISCHARGE: January to September 1948, December 1948 to current year.

 

STAGE: Water years 1994-2000.


GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 524.65 ft above sea level. Prior to Dec. 22, 1948, and Mar. 24, 1981, to Mar. 30, 1983, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 10,700 ft3/s, May 8, 1996, gage height, 16.23 ft; no flow for many days in most years.

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
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
1.442.33.4  1.5  e.8011   4.01.5  1.345   14     e.01
2.782.43.4  1.6  e1.2  7.25.21.6  2.039   14     e.01
317     2.26.3  3.1  e1.3  4.44.61.7  2.536   16     e.01
41.0  2.213     2.6  e1.5  4.44.71.9  4.434   5.5  e.01
5.492.234     1.7  e2.0  4.94.82.1  6.7141   15     e.01
 
6.582.23.7  1.5  2.8  4.55.32.3  2.3143   5.0  e.01
7.822.21.9  1.4  3.1  5.18.62.4  3.657   3.5  e.01
832     2.21.8  1.4  3.1  5.55.02.3  3.641   17     e.01
918     2.23.9  1.8  3.2  5.54.14.9  3.834   6.6  e.01
10.932.13.8  e1.5  4.6  5.74.11.8  3.431   4.2  e.01
 
11.352.21.8  e1.2  3.9  9.44.41.0  24   95   2.0  .29
12.282.41.5  e1.0  3.4  12   4.0.9315   168   .8311     
13.392.31.4  e.903.3  12   3.61.4  8.175   .33.18
14.602.21.2  e.883.3  9.63.51.4  6.048   .1712     
15.612.22.3  e.863.4  12   3.81.3  3.839   .091.3  
 
161.1  2.21.7  e.843.3  12   5.81.3  2.734   .04.07
171.9  2.21.3  e.823.2  6.96.11.4  2.030   15     .01
181.5  2.31.2  e.8040     6.44.22.1  1.531   8.9  e.01
191.4  2.6e1.1  e.689.4  17   5.22.2  1.331   .84e.01
201.4  2.7e1.0  e.587.5  18   14   2.1  51   25   .18.43
 
211.3  2.8e.94e.506.5  10   4.72.1  125   23   .06.30
221.0  2.9e.88e.456.4  7.63.72.2  67   21   4.3  .08
23.825.2e.84e.405.9  6.05.65.9  42   19   1.9  .46
24.945.5e.82e.358.2  6.510   1.9  113   18   3.5  21     
251.1  4.1e.80e.307.1  5.72.91.5  183   17   .1941     
 
261.3  3.5e.90e.258.4  9.52.54.4  312   15   .1317     
271.7  3.5e1.1  e.228.9  12   2.914     291   12   .059.4  
281.8  3.41.4  e.208.1  6.92.02.9  127   10   .012.7  
292.0  3.51.5  e.307.1  5.51.72.6  78   10   e.01.90
302.0  3.41.6  e.45---     4.51.32.3  55   8.9e.01.41
 
312.1  ---   1.5  e.60---     3.9---   1.8  ---   9.6e.01---     

TOTAL97.6383.3101.9830.68170.90251.6142.379.231542.01340.5139.35118.65
MEAN3.152.783.29.995.898.124.742.5651.443.24.503.96
MAX325.5343.1401814143121681741
MIN.282.1.80.20.803.91.3.931.38.9.01.01
CFSM.03.03.03.01.06.08.04.02.48.40.04.04
IN..03.03.04.01.06.09.05.03.54.47.05.04

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2000, BY WATER YEAR (WY)
MEAN22.029.155.157.482.911012912494.143.426.620.8
MAX244225523282281374605617418358292296
(WY)196019861983195019751978195719961990198119811993
MIN.000.000.000.000.22.23.66.0528.051.38.016.000
(WY)195419541954195619541954195419541953197619531952

SUMMARY STATISTICSFOR 1999 CALENDAR YEARFOR 2000 WATER YEARWATER YEARS 1948 - 2000
ANNUAL TOTAL19300.684098.12
ANNUAL MEAN52.9  11.2  66.8  
HIGHEST ANNUAL MEAN156     1993
LOWEST ANNUAL MEAN2.151954
HIGHEST DAILY MEAN461         Feb 8312         Jun 265320     May 8 1996
LOWEST DAILY MEAN.01    A.01    B.00C
ANNUAL SEVEN-DAY MINIMUM.01    Jul 9.01    Aug 28.00Sep 1 1949
INSTANTANEOUS PEAK FLOW451         Jun 2610700     May 8 1996
INSTANTANEOUS PEAK STAGE8.06    Jun 2616.23May 8 1996
ANNUAL RUNOFF (CFSM).49.10.62
ANNUAL RUNOFF (INCHES)6.711.428.48
10 PERCENT EXCEEDS151     23     153     
50 PERCENT EXCEEDS7.2  2.7  21     
90 PERCENT EXCEEDS.40.32.02
A - Several days; July 10-18, 22 and Aug. 6, estimated.
B - Several days; Aug. 29-31, Sept. 1-10, 18, and 19, estimated.
C - Many days in most years.

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data