Station list     Available data
ILLINOIS RIVER BASIN


05553500       ILLINOIS RIVER AT OTTAWA



LOCATION.--Lat 41°20'17.22", long 88°51'10.25", in SW1/4SW1/4 sec.11, T.33 N., R.3 E., LaSalle County, Hydrologic Unit 07130001 downstream of the railroad bridge, 0.25 miles, and downstream 0.5 miles of the Route 23 bridge in Ottawa and the confluence with the Fox River.

DRAINAGE AREA.--10,949 mi2.

PERIOD OF RECORD.--February 1997 to current year.

WATER-QUALITY
BARO-OXYGEN,PHHARD-
AGENCYAGENCYMETRICDIS-WATERSPE-HARD-NESS
ANA-COL-PRES-SOLVEDWHOLECIFICNESSNONCARBCALCIUM
LYZINGLECTINGSURE(PER-OXYGEN,FIELDCON-TEMPER-TEMPER-TOTALDISSOLVDIS-
SAMPLESAMPLE(MMCENTDIS-(STAND-DUCT-ATUREATURE(MG/LFLD. ASSOLVED
DATE(CODE(CODEOFSATUR-SOLVEDARDANCEAIRWATERASCACO3(MG/L
NUMBER)NUMBER)HG)ATION)(MG/L)UNITS)(US/CM)(DEG C)(DEG C)CACO3)(MG/L)AS CA)
(00028)(00027)(00025)(00301)(00300)(00400)(00095)(00020)(00010)(00900)(00904)(00915)
MAR 1999
11...80020817007588711.07.68573.05.02909669
APR
13...800208170075410811.27.888615.013.328010067
MAY
13...80020817007471049.47.879014.519.42809868
JUN
09...80020817007501138.87.969835.027.22809668
14...8002081700751947.97.650623.523.02006647
JUL
14...800208170074914411.18.669230.027.62609063
20...102881700--917.08.0798--   29.0------
AUG
10...80020817007421249.78.470930.226.72307849
SEP
08...80020817007441068.28.367027.527.02307352

ALKA-BICAR-CAR-NITRO-
MAGNE-POTAS-SODIUMLINITYBONATEBONATECHLO-FLUO-SILICA,GEN,
SIUM,SIUM,AD-SODIUM,WAT DISWATERWATERRIDE,RIDE,DIS-SULFATEAMMONIA
DIS-DIS-SORP-DIS-TOT ITDIS ITDIS ITDIS-DIS-SOLVEDDIS-DIS-
SOLVEDSOLVEDTIONSOLVEDFIELDFIELDFIELDSOLVEDSOLVED(MG/LSOLVEDSOLVED
DATE(MG/L(MG/LRATIO(MG/LMG/L ASMG/L ASMG/L AS(MG/L(MG/LAS(MG/L(MG/L
AS MG)AS K)AS NA)CACO3HCO3CO3AS CL)AS F)SIO2)AS SO4)AS N)
(00925)(00935)(00931)(00930)(39086)(00453)(00452)(00940)(00950)(00955)(00945)(00608)
MAR 1999
11...293.62   65194237--<.10.324.169.126
APR
13...264.42   74173211--120     .363.672.268
MAY
13...273.91   44179219274     .356.066.117
JUN
09...273.71   38186219464     .325.660.020
14...204.0.826133162--43     .297.741.114
JUL
14...264.91   46173202473     .453.674<.020
20...----   --   ----------     --     --   ----       
AUG
10...265.32   54152178483     .452.568<.020
SEP
08...246.02   58156181486     .494.675<.020

NITRO-NITRO-NITRO-NITRO-NITRO-NITRO-PHOS-
GEN,AM-GEN,AM-NITRO-GEN,GEN,GEN,NITRO-GEN,PHATE,PHOS-
MONIA +MONIA +GENNITRATENO2+NO3ORGANICGEN,NITRO-NITRITEORTHO,PHORUS
ORGANICORGANICDIS-DIS-DIS-DIS-ORGANICGEN,DIS-DIS-DIS-
DIS.TOTALSOLVEDSOLVEDSOLVEDSOLVEDTOTALTOTALSOLVEDSOLVEDSOLVED
DATE(MG/L(MG/L(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)AS PO4)AS P)
(00623)(00625)(00602)(00618)(00631)(00607)(00605)(00600)(00613)(00660)(00666)
MAR 1999
11....71.966.65.815.86.58.836.8.052.62<.050
APR
13....831.2  5.04.064.15.56.895.3.0901.1  .440
MAY
13....731.4  8.27.457.52.611.2  8.9.068.73.290
JUN
09....54.927.97.337.40.51.908.3.065.52.204
14....762.1  9.08.108.21.642.0  10   .115.75.267
JUL
14....561.2  3.83.243.28--     --     4.5.0381.4  .509
20...--     --     --   --     --     --     --     --   --       --     --       
AUG
10....371.6  2.21.821.86--     --     3.4.0471.3  .328
SEP
08....441.1  3.02.582.60--     --     3.7.0271.7  .521

PHOS-SOLIDS,2,6-DI-
PHORUSRESIDUEMANGA-ETHYLACETO-ALA-ATRA-
ORTHO,PHOS-AT 180IRON,NESE,ANILINECHLOR,CHLOR,ALPHAZINE,
DIS-PHORUSDEG. CDIS-DIS-WAT FLTWATERWATER,BHCWATER,
SOLVEDTOTALGAGEDIS-SOLVEDSOLVED0.7 UFLTRDDISS,DIS-DISS,
DATE(MG/L(MG/LHEIGHTSOLVED(UG/L(UG/LGF, RECRECREC,SOLVEDREC
AS P)AS P)(FEET)(MG/L)AS FE)AS MN)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(00671)(00665)(00065)(70300)(01046)(01056)(82660)(49260)(46342)(34253)(39632)
MAR 1999
11....203.322--     52812   11   --         --         --       --         --       
APR
13....369.515459.4052711   3.9<.0030.0991.008<.0020.161
MAY
13....239.585460.75458E8.1<3.0<.00301.97    .064<.00203.53  
JUN
09....171.308459.00442<10   <3.0<.0030.830  .027<.00203.06  
14....246.728463.20343E9.5<3.0<.00301.11    .084<.00204.32  
JUL
14....450.665459.30432<10   <3.0<.0030.0784<.002<.0020.482
20...--       --       --     ----   --   --         --         --       --         --       
AUG
10....416.599--     408E7.2<3.0<.0030<.0100.010<.0020.162
SEP
08....543.679--     416<10   E1.7<.0030.0256<.002<.0020.404

BEN-CAR-CARBO-DEETHYLDIAZ-
FLUR-BUTYL-BARYLFURANCYANA-DCPAATRA-INON
ALINATE,WATERWATERCHLOR-ZINE,WATERZINE,D10 SRGDI-DI-
WAT FLDWATER,FLTRDFLTRDPYRIFOSWATER,FLTRDWATER,WAT FLTAZINON,ELDRIN
0.7 UDISS,0.7 U0.7 UDIS-DISS,0.7 UDISS,0.7 UDIS-DIS-
DATEGF, RECRECGF, RECGF, RECSOLVEDRECGF, RECRECGF, RECSOLVEDSOLVED
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)PERCENT(UG/L)(UG/L)
(82673)(04028)(82680)(82674)(38933)(04041)(82682)(04040)(91063)(39572)(39381)
MAR 1999
11...--         --         --         --         --         --         --         --         --   --       --       
APR
13...<.0020<.0020E.0050<.0030<.0100.0150<.0020E.026597.9.057<.001
MAY
13...<.0020<.0020<.0030<.0030<.0040.729  <.0020E.147  121   .036<.001
JUN
09...<.0020<.0020<.0030<.0030<.0200.295  <.0020E.207  128   .056<.001
14...<.0020<.0020E.0115E.0929.0185.377  <.0020E.393  115   .042<.001
JUL
14...<.0020<.0020<.0030<.0030<.0040E.0227<.0020E.0412110   .025<.001
20...--         --         --         --         --         --         --         --         --   --       --       
AUG
10...<.0020<.0020<.0030<.0030<.0040.0154<.0020E.0295131   .024<.001
SEP
08...<.0020<.0020<.0030<.0030<.0040.0118<.0020E.0209101   .030<.001

DISUL-ETHAL-ETHO-HCHLIN-METHYLMETHYL
FOTONEPTCFLUR-PROPALPHAURONAZIN-PARA-
WATERWATERALINWATERFONOFOSD6 SRGWATERMALA-PHOSTHION
FLTRDFLTRDWAT FLTFLTRDWATERWAT FLTLINDANEFLTRDTHION,WAT FLTWAT FLT
0.7 U0.7 U0.7 U0.7 UDISS0.7 UDIS-0.7 UDIS-0.7 U0.7 U
DATEGF, RECGF, RECGF, RECGF, RECRECGF, RECSOLVEDGF, RECSOLVEDGF, RECGF, REC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)PERCENT(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(82677)(82668)(82663)(82672)(04095)(91065)(39341)(82666)(39532)(82686)(82667)
MAR 1999
11...--         --         --         --         --         --   --       --         --       --         --         
APR
13...<.0170<.0020<.0040<.0030<.003094.0<.004<.0020<.005<.0010<.0060
MAY
13...<.0170.0316<.0040<.0030<.0030110   <.004<.0020<.005<.0010<.0060
JUN
09...<.0170<.0020<.0040<.0030<.0030110   <.004<.0020<.005<.0010<.0060
14...<.0170<.0020<.0040<.0030<.003096.0<.004<.0020<.005<.0010<.0060
JUL
14...<.0170<.0020<.0040<.0030<.003082.2<.004<.0020<.005<.0010<.0060
20...--         --         --         --         --         --   --       --         --       --         --         
AUG
10...<.0170<.0020<.0040<.0030<.0030111   <.004<.0020<.005<.0010<.0060
SEP
08...<.0170<.0020<.0040<.0030<.003087.4<.004<.0020<.005<.0010<.0060

MOL-NAPROP-PEB-PENDI-PER-
METRI-INATEAMIDEULATEMETH-METHRINPHORATEPRO-
METO-BUZINWATERWATERPARA-WATERALINCISWATERMETON,
LACHLORSENCORFLTRDFLTRDP,P'THION,FILTRDWAT FLTWAT FLTFLTRDWATER,
WATERWATER0.7 U0.7 UDDEDIS-0.7 U0.7 U0.7 U0.7 UDISS,
DATEDISSOLVDISSOLVGF, RECGF, RECDISSOLVSOLVEDGF, RECGF, RECGF, RECGF, RECREC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)
(39415)(82630)(82671)(82684)(34653)(39542)(82669)(82683)(82687)(82664)(04037)
MAR 1999
11...--       --       --         --         --         --       --         --         --         --         --         
APR
13....098<.004<.0040<.0030<.0060<.004<.0040<.0100<.0050<.0020E.0162
MAY
13...1.99  .066<.0040<.0030<.0060<.004<.0040<.0300<.0050<.0020.0211
JUN
09....394<.010<.0040<.0030<.0060<.004<.0040<.0040<.0050<.0020.0314
14...1.00  .025<.0040<.0030<.0060<.004<.0040<.0300<.0050<.0020.0256
JUL
14....090<.004<.0040<.0030<.0060<.004<.0040<.0040<.0050<.0020E.0176
20...--       --       --         --         --         --       --         --         --         --         --         
AUG
10....021<.004<.0040<.0030<.0060<.004<.0040<.0040<.0050<.0020E.0159
SEP
08....166<.004<.0040<.0030<.0060<.004<.0040<.0040<.0050<.0020.0196

PRON-PRO-PRO-TEBU-TER-TER-TERBUTHTHIO-TRIAL-
AMIDEPROP-PANILPARGITESI-THIURONBACILBUFOSYLAZINEBENCARBLATE
WATERCHLOR,WATERWATERMAZINE,WATERWATERWATERSURROGTWATERWATER
FLTRDWATER,FLTRDFLTRDWATER,FLTRDFLTRDFLTRDWAT FLTFLTRDFLTRD
0.7 UDISS,0.7 U0.7 UDISS,0.7 U0.7 U0.7 U0.7 U0.7 U0.7 U
DATEGF, RECRECGF, RECGF, RECRECGF, RECGF, RECGF, RECGF, RECGF, RECGF, REC
(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)(UG/L)PERCENT(UG/L)(UG/L)
(82676)(04024)(82679)(82685)(04035)(82670)(82665)(82675)(91064)(82681)(82678)
MAR 1999
11...--         --         --         --         --         --         --         --         --         --         --         
APR
13...<.0030<.0070<.0040<.0130.0238<.0100<.0070<.0130109         <.0020<.0010
MAY
13...<.0030.0382<.0040<.0130.0842.0115<.0070<.0130130         <.0020<.0010
JUN
09...<.0030<.0070<.0040<.0130.0583.0146<.0070<.0130E.0863<.0020<.0010
14...<.0030<.0070<.0040<.0130.0317.0115<.0070<.0130E.0779<.0020<.0010
JUL
14...<.0030<.0070<.0040<.0130.0550<.0200<.0070<.0130--         <.0020<.0010
20...--         --         --         --         --         --         --         --         --         --         --         
AUG
10...<.0030<.0070<.0040<.0130.0082<.0100<.0070<.0130--         <.0020<.0010
SEP
08...<.0030<.0070<.0040<.0130.0071.0147<.0070<.0130--         <.0020<.0010

TRI-SED.QUALITY
FLUR-SUSP.NUMBERASSUR-SAMPLE
ALINSEDI-SIEVEOFANCEVOLUME
WAT FLTMENT,DIAM.SAM-PURPOSEDATAREP-SCHED-SAM-
0.7 USUS-% FINERPLINGSITEINDICA-LICATESAMPLEULESAMPLERPLING
DATEGF, RECPENDEDTHANPOINTSVISIT,TORTYPEPURPOSE2010TYPEMETHOD,
(UG/L)(MG/L).062 MM(COUNT)(CODE)CODE(CODE)CODE(ML)(CODE)CODES
(82661)(80154)(70331)(00063)(50280)(99111)(99105)(71999)(99857)(84164)(82398)
MAR 1999
11...--         931001010011--     15.00--306010
APR
13...<.0020102975100140--     15.00970303910
MAY
13...<.0020233931010011--     15.00970304010
JUN
09...<.0020819710100110--     15.00970304010
14....0041308951010033030.0015.00925303910
JUL
14...<.002068971010013030.0015.00961303910
20...--         ------1099----     15.00------
AUG
10...<.0020799610100110--     15.00892303910
SEP
08...<.002063981010011--     15.00917303910


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data