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.38 N., R.9 E., 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.--October 1987 to current year.
WATER-QUALITY
DIS- OXYGEN, PH
AGENCY AGENCY CHARGE, DIS- WATER SPE-
ANA- COL- INST. SOLVED WHOLE CIFIC
LYZING LECTING CUBIC (PER- OXYGEN, FIELD CON- TEMPER-
SAMPLE SAMPLE FEET CENT DIS- (STAND- DUCT- ATURE
DATE TIME (CODE (CODE PER SATUR- SOLVED ARD ANCE WATER
NUMBER) NUMBER) SECOND ATION) (MG/L) UNITS) (US/CM) (DEG C)
(00028) (00027) (00061) (00301) (00300) (00400) (00095) (00010)
OCT 1998
14... 1005 80020 81700 4.6   99 10.6 7.7 572 11.0
NOV
05... 1050 80020 81700 5.6   96 11.5 7.8 578 7.6
DEC
08... 0945 80020 81700 23      91 10.7 7.9 600 8.0
JAN 1999
20... 1045 80020 81700 8.3   91 12.4 7.8 1020 1.0
FEB
17... 1015 80020 81700 9.4   90 12.0 7.4 825 2.3
MAR
24... 1245 80020 81700 7.5   124 14.0 8.1 1140 9.6
APR
21... 1245 80020 81700 17      116 12.6 7.6 1020 11.0
MAY
25... 0920 80020 81700 20      93 9.3 7.5 750 14.2
JUN
23... 1210 80020 81700 8.8   96 8.2 7.7 711 23.4
JUL
22... 0945 80020 81700 8.3   79 6.3 7.5 630 26.4
AUG
24... 0930 80020 81700 4.2   62 5.4 7.8 561 20.5
SEP
21... 0945 80020 81700 .37 60 6.2 7.8 890 13.0
NITRO- NITRO- NITRO- NITRO- NITRO- NITRO-
GEN, GEN,AM- GEN,AM- NITRO- GEN, GEN, GEN, NITRO-
AMMONIA MONIA + MONIA + GEN NITRATE NO2+NO3 ORGANIC GEN, NITRO-
DIS- ORGANIC ORGANIC DIS- DIS- DIS- DIS- ORGANIC GEN,
SOLVED DIS. TOTAL SOLVED SOLVED SOLVED SOLVED TOTAL TOTAL
DATE (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L
AS N) AS N) AS N) AS N) AS N) AS N) AS N) AS N) AS N)
(00608) (00623) (00625) (00602) (00618) (00631) (00607) (00605) (00600)
OCT 1998
14... .051 .53 .69 .99 .434 .455 .48 .64 1.1
NOV
05... .053 .50 .74 1.2   .619 .654 .45 .68 1.4
DEC
08... .098 .64 .64 1.4   .758 .773 .54 .55 1.4
JAN 1999
20... .264 .76 .81 1.6   .864 .882 .50 .54 1.7
FEB
17... .062 .59 .47 1.7   1.08   1.09   .53 .41 1.6
MAR
24... .078 .58 .75 1.2   .616 .628 .50 .67 1.4
APR
21... .027 .57 .79 1.5   .954 .968 .55 .76 1.8
MAY
25... .093 .66 .81 1.6   .922 .947 .56 .72 1.8
JUN
23... <.020 .48 .79 1.4   .833 .875 --      --      1.7
JUL
22... .044 .73 --      1.2   .404 .426 .69 --      --   
AUG
24... .046 .64 1.2   1.3   .601 .622 .59 1.2   1.8
SEP
21... <.020 1.2   1.4   1.4   --        .209 --      --      1.6
NITRO- PHOS- RESIDUE COLI- COLI- STREP-
GEN, PHOS- PHORUS TOTAL FORM, FORM, TOCOCCI
NITRITE PHORUS ORTHO, PHOS- AT 105 TOTAL, FECAL, FECAL,
DIS- DIS- DIS- PHORUS DEG. C, IMMED. 0.7 KF AGAR
SOLVED SOLVED SOLVED TOTAL GAGE SUS- (COLS. UM-MF (COLS.
DATE (MG/L (MG/L (MG/L (MG/L HEIGHT PENDED PER (COLS./ PER
AS N) AS P) AS P) AS P) (FEET) (MG/L) 100 ML) 100 ML) 100 ML)
(00613) (00666) (00671) (00665) (00065) (00530) (31501) (31625) (31673)
OCT 1998
14... .021 <.050 .015 .050 2.50 12 K150 180    68
NOV
05... .035 .011 .011 .554 2.60 5 120 90    36
DEC
08... .015 .019 .016 .070 3.38 17 2400 K2400    --
JAN 1999
20... .018 <.050 <.010 .051 3.07 21 72 K76    270
FEB
17... .010 <.050 .014 E.047 2.93 -- 70 --    29
MAR
24... .012 <.050 <.010 E.039 3.21 6 20 K0    K0
APR
21... .014 <.050 <.010 .060 3.02 41 -- --    --
MAY
25... .025 <.050 .013 .059 3.12 25 28 36    K8
JUN
23... .042 <.050 <.010 .071 2.72 4 670 E0    E19
JUL
22... .022 <.050 <.010 --        2.63 <1 880 870    530
AUG
24... .021 <.050 .013 .172 2.45 43 -- --    K130
SEP
21... <.010 E.035 .011 .065 2.21 <1 160 --    180


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data