Station list     Available data
ILLINOIS RIVER BASIN


05540275       SPRING BROOK AT 87TH STREET NEAR NAPERVILLE, IL



LOCATION.--Lat 41°43'33", long 88°09'46", in SW1/4SW1/4 sec.36, T.38N. R.9E., Du Page County, Hydrologic Unit 07120004, on right bank at upstream side of bridge on 87th Street, 3.0 mi south of Naperville, and at mile 2.9.

DRAINAGE AREA.--9.90 mi2.

PERIOD OF RECORD.--Water-quality records, water years 1988 to current year.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DIS- PH RESIDUE
AGENCY AGENCY CHARGE, SPE- WATER TOTAL NITRO-
COL- ANA- INST. CIFIC WHOLE AT 105 GEN
LECTING LYZING CUBIC TEMPER- CON- OXYGEN, FIELD DEG. C, DIS-
SAMPLE SAMPLE FEET GAGE ATURE DUCT- DIS- (STAND- SUS- SOLVED
DATE TIME (CODE (CODE PER HEIGHT WATER ANCE SOLVED ARD PENDED (MG/L
NUMBER) NUMBER) SECOND (FEET) (DEG C) (US/CM) (MG/L) UNITS) (MG/L) AS N)
(00027) (00028) (00061) (00065) (00010) (00095) (00300) (00400) (00530) (00602)
OCT 1997
02... 1100 81700 80020 .34 2.20 13.0 832 7.7 7.8 11 .40
NOV
05... 1245 81700 80020 1.0   2.40 7.0 796 12.6 7.9 9 .51
DEC
09... 1000 81700 80020 3.3   2.50 1.9 877 12.8 6.8 18 .85
JAN 1998
14... 1030 81700 80020 14      3.09 .6 1150 6.9 7.4 -- 1.9  
FEB
10... 1000 81700 80020 8.3   2.63 4.0 1100 11.9 7.5 -- 1.6  
MAR
17... 1100 81700 80020 12      2.85 3.8 1170 8.7 6.4 12 1.9  
APR
07... 1045 81700 80020 11      2.74 11.0 1090 8.2 7.2 14 1.7  
MAY
20... 1130 81700 80020 5.1   2.56 22.0 872 8.3 8.2 42 1.9  
JUL
01... 0945 81700 80020 9.9   2.65 23.4 681 8.2 7.5 42 1.4  
AUG
05... 0845 81700 80020 222      6.31 22.0 334 --    7.3 30 1.4  
SEP
09... 0930 81700 80020 24      3.13 19.9 0 7.5 7.1 60 1.2  

NITRO- NITRO- NITRO- NITRO- NITRO- PHOS- COLI- COLI- STREP-
GEN, GEN, GEN,AM- GEN,AM- GEN, PHOS- PHORUS FORM, FORM, TOCOCCI
AMMONIA NITRITE MONIA + MONIA + NO2+NO3 PHOS- PHORUS ORTHO, TOTAL, FECAL, FECAL,
DIS- DIS- ORGANIC ORGANIC DIS- PHORUS DIS- DIS- IMMED. 0.7 KF AGAR
SOLVED SOLVED DIS. TOTAL SOLVED TOTAL SOLVED SOLVED (COLS. UM-MF (COLS.
DATE (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L PER (COLS./ PER
AS N) AS N) AS N) AS N) AS N) AS P) AS P) AS P) 100 ML) 100 ML) 100 ML)
(00608) (00613) (00623) (00625) (00631) (00665) (00666) (00671) (31501) (31625) (31673)
OCT 1997
02... .018 <.010 .33 .38 .074 .017 .019 .013 310 220    0
NOV
05... .079 .019 .36 .48 .147 .035 <.010 .018 110 K62    77
DEC
09... .069 <.010 .42 .63 .433 .060 <.010 .037 180 K58    K62
JAN 1998
14... .035 .022 .44 .72 1.47   .039 .020 .020 K67 K64    K46
FEB
10... <.020 .012 .28 .54 1.36   .027 <.010 .016 510 58    K13
MAR
17... <.020 .031 .40 .56 1.49   .028 <.010 <.010 140 57    K21
APR
07... .079 .028 .48 .61 1.18   .046 <.010 <.010 K44 K32    K8
MAY
20... .170 .058 .98 .85 .888 .080 <.010 .010 170 71    65
JUL
01... .077 .044 .63 .73 .800 .070 .019 <.010 -- 520    88
AUG
05... .092 .025 .89 .94 .525 .185 .117 .105 K9200 3400    2100
SEP
09... .092 .047 .67 1.1   .549 .117 .019 .015 480 250    150



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data