Station list     Available data
ILLINOIS RIVER BASIN


05553500       ILLINOIS RIVER AT OTTAWA, IL

 

LOCATION.-- Lat 41°20'17", long 88°51'10" (NAD of 1927), 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.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: March 11, 1903 to December 31, 1903.

 

PARTIAL RECORD: Miscellaneous discharge measurements, water years 1903-1904.

SURFACE-WATER QUALITY

 

CHEMICAL: Water years 1997 to 2004.

 

MISCELLANEOUS: Contaminants in streambed sediments, August 1998; contaminants in fish tissue, August, 1998.

BIOLOGICAL

 

ALGAE: Water years 1997-99 and 2002-04.

 

BENTHIC MACROINVERTEBRATES: Water years 1998-99, 2002-04.

 

FISH: Water years 1998-99, 2002-04.

 

HABITAT: Water years 1998-2000, 2003.

 

GAGE.-- Prior to November 1, 1903, vertical staff at west end of first pier from the north abutment of the railroad bridge at same datum. November 1, 1903 to February 21, 1904, chain gage read twice daily. Datum of gage is 579.48 ft above NGVD of 1929 (579.30 ft NAVD 1988).

 

REMARKS.-- Discharges for surface-water quality data for water years 1997 to current are computed by adding discharges of Illinois River at Marseilles (05543500) and Fox River at Dayton, IL (05552500).

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 46,900 ft3/s, Apr. 15, 1903, gage height, -119.08 ft (460.40 ft above NGVD of 1929); minimum discharge, 6,740 ft3/s, Sept. 8, 1903.

 

REMARKS FOR CURRENT YEAR.--Algae community samples were collected as part of the National Water-Quality Assessment program (NAWQA) in the lower Illinois River Basin. A quantitative sample was collected in accordance with NAWQA protocols (Cuffney and others, 1993). Reach A begins at the red buoy near river mile 239, marking the top of Hitt Island, and continues downstream for 3281 feet, which is 492 feet downstream of the Ottawa navigation light number 238.5.

PERIPHYTON ALGAE, QUANTITATIVE, DTH (Depositional-targeted habitat)
[sp., species; Chlorophyta, Green algae; Cyanophyta, Blue-green algae; Chrysophyta, Golden algae, for example diatoms; Cryptophyta, Cryptophytes; Euglenophyta, Euglenoids; Pyrrhophyta, Dinoflagellates; Rhodophyta, Red algae]
Quantitative sample
Phylum
TaxonCells
(number/cm2)		Biovolume
(biovolume/cm2)
Reach A
7/20/1999
Chlorophyta
Scenedesmus ecornis (Ralfs) Chodat 503.7874 6612.08872
Chrysophyta
Achnanthidium macrocephalum (Hustedt) Round et Bukhtiyarova 196.15013 292852.1441
Achnanthidium minutissimum (Kützing) Czarnecki 98.07506 5332.59797
Amphora pediculus (Kützing) Grunow 653.8338 63975.82621
Aulacoseira ambigua (Grunow) Simonsen 196.15013 68367.3491
Aulacoseira granulata (Ehrenberg) Simonsen 65.38329 23747.69346
Aulacoseira muzzanensis (Meister) Krammer 130.76671 475737.2128
Caloneis bacillum (Grunow) Cleve 65.38329 28100.93906
Cocconeis pediculus Ehrenberg 261.53355 834427.457
Cocconeis placentula Ehrenberg 130.76671 98603.25024
Cocconeis placentula var. euglypta (Ehrenberg) Cleve 130.76671 90234.9654
Cocconeis placentula var. lineata (Ehrenberg) Van Heurck 65.38329 74085.35606
Craticula accomoda (Hustedt) Mann 65.38329 26731.96531
Cyclostephanos dubius (Frick) Round 65.38329 16675.87604
Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et Hĺkansson 196.15013 35296.78633
Cyclotella aliquantula Hohn et Hellerman 65.38329 3698.87852
Cyclotella atomus Hustedt 1536.50963 128877.0807
Cyclotella meneghiniana Kützing 3269.16939 2822673.721
Cyclotella pseudostelligera Hustedt 65.38329 5650.04862
Cyclotella stelligera (Cleve et Grunow) Van Heurck 196.15013 47542.65863
Diatoma vulgaris Bory 196.15013 717011.3534
Fragilaria famelica (Kützing) Lange-Bertalot 65.38329 8876.36026
Gomphonema minutum (Agardh) Agardh 130.76671 43562.61748
Gomphonema olivaceoides Hustedt 65.38329 11009.83074
Gomphonema olivaceum (Lyngbye) Kützing 65.38329 25542.70669
Gyrosigma nodiferum (Grunow) Reimer 65.38329 218068.5973
Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkowski 294.22519 175256.4849
Luticola goeppertiana (Bleisch) Mann 196.15013 153489.6717
Luticola mutica (Kützing) Mann 65.38329 37924.29389
Mayamaea atomus (Kützing) Lange-Bertalot 65.38329 1833.63579
Melosira varians Agardh 359.60861 1824815.925
Navicula cincta (Ehrenberg) Ralfs 65.38329 40952.52881
Navicula cryptocephala Kützing 261.53355 88504.45714
Navicula erifuga Lange-Bertalot 326.91684 125868.4298
Navicula exilis Kützing 196.15013 69862.70746
Navicula gregaria Donkin 359.60861 98838.32936
Navicula kotschyi Grunow 65.38329 14384.85144
Navicula lanceolata (Agardh) Ehrenberg 653.8338 823454.8363
Navicula longicephala Hustedt 65.38329 4376.53971
Navicula menisculus Schumann 65.38329 22904.05221
Navicula minima Grunow 849.98406 34099.66902
Navicula salinarum Grunow 65.38329 57988.48959
Navicula subminuscula Manguin 130.76671 9408.16787
Navicula tenelloides Hustedt 65.38329 10814.52759
Navicula trivialis Lange-Bertalot 65.38329 71294.14276
Nitzschia agnita Hustedt 65.38329 6561.44592
Nitzschia ambigua Manguin 457.68367 5361306.51
Nitzschia angustatula Lange-Bertalot 65.38329 24174.33904
Nitzschia aurariae Cholnoky 65.38329 2513.86785
Nitzschia brevissima Grunow ex Van Heurck 65.38329 27389.06018
Nitzschia dissipata (Kützing) Grunow 359.60861 91421.59597
Nitzschia filiformis var. conferta (Reichardt) Lange-Bertalot 130.76671 52069.25219
Nitzschia frustulum (Kützing) Grunow 849.98406 41703.20993
Nitzschia inconspicua Grunow 261.53355 9033.77681
Nitzschia palea (Kützing) Smith 261.53355 78141.91205
Nitzschia palea var. debilis (Kützing) Grunow 65.38329 11138.16964
Nitzschia palea var. tenuirostris Grunow 65.38329 22577.14688
Nitzschia recta Hantzsch ex Rabenhorst 65.38329 92809.30874
Nitzschia suchlandtii Hustedt 65.38329 14388.87448
Nitzschia tropica Hustedt 65.38329 13925.80452
Planothidium delicatulum (Kützing) Round et Bukhtiyarova 65.38329 13636.76918
Planothidium hauckianum (Grunow) Round et Bukhtiyarova 65.38329 97617.25197
Planothidium rostratum (Řstrup) Lange-Bertalot 65.38329 5258.74598
Pseudostaurosira brevistriata (Grunow) Williams et Round 457.68367 65128.60593
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot 65.38329 33335.31015
Sellaphora seminulum (Grunow) Mann 196.15013 14523.87753
Skeletonema potamos (Weber) Hasle 1994.1933 104495.1706
Staurosira construens var. venter (Ehrenberg) Hamilton 523.06709 48458.3475
Stephanodiscus hantzschii Grunow 196.15013 63871.55477
Stephanodiscus tenuis Hustedt 130.76671 59547.20666
Surirella minuta Brébisson 196.15013 167635.9896
Synedra ulna (Nitzsch) Ehrenberg 196.15013 1163261.836
Tabellaria fenestrata (Lyngbye) Kützing 65.38329 142873.5254
Thalassiosira bramaputrae (Ehrenberg) Hĺkansson 130.76671 65383.355
Thalassiosira weissflogii (Grunow) Fryxell et Hasle 130.76671 116614.0918
PERIPHYTON ALGAE, QUANTITATIVE, RTH (Richest-targeted habitat, cobbles or snags)
[sp., species; Chlorophyta, Green algae; Cyanophyta, Blue-green algae; Chrysophyta, Golden algae, for example diatoms; Cryptophyta, Cryptophytes; Euglenophyta, Euglenoids; Pyrrhophyta, Dinoflagellates; Rhodophyta, Red algae]
Quantitative sample
Phylum
TaxonCells
(number/cm2)		Biovolume
(biovolume/cm2)
Reach A
7/20/1999
Chlorophyta
Cladophora sp. 452.0107 38420.9095
Cosmarium granatum Brébisson ex Ralfs 226.00535 19210.45475
Chrysophyta
Amphora pediculus (Kützing) Grunow 2342.71112 229227.7938
Aulacoseira ambigua (Grunow) Simonsen 90.10427 31405.4856
Bacillaria paradoxa Gmelin 180.20853 210973.7663
Cocconeis placentula var. lineata (Ehrenberg) Van Heurck 180.20853 204193.0455
Craticula citrus (Krasske) Reichardt 90.10427 29653.07558
Craticula molestiformis (Hustedt) Lange-Bertalot 180.20853 21061.76202
Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et Hĺkansson 360.41706 64856.26063
Cyclotella atomus Hustedt 2252.60685 188940.8235
Cyclotella meneghiniana Kützing 2162.50259 1867152.938
Diatoma vulgaris Bory 180.20853 658738.09
Gomphonema angustatum (Kützing) Rabenhorst 180.20853 56561.61881
Gomphonema gracile Ehrenberg emend Van Heurck 180.20853 163618.976
Gomphonema kobayasii Kociolek et Kingston 180.20853 30041.46116
Gomphonema minutum (Agardh) Agardh 360.41706 120066.5714
Gomphonema parvulum (Kützing) Kützing 180.20853 45977.25461
Gomphosphenia lingulatiformis (Lange-Bertalot et Reichardt) Lange-Bertalot 450.52133 280511.7945
Karayevia clevei (Grunow) Kingston 180.20853 30683.11706
Luticola goeppertiana (Bleisch) Mann 180.20853 141015.1913
Melosira varians Agardh 1081.25118 5486755.094
Meridion circulare var. constrictum (Ralfs) Van Heurck 180.20853 34495.72405
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot 1081.25118 285678.023
Navicula erifuga Lange-Bertalot 7118.23761 2759825.823
Navicula exilis Kützing 90.10427 32092.3991
Navicula germainii Wallace 270.3128 122763.734
Navicula gregaria Donkin 180.20853 49530.26581
Navicula ingenua Hustedt 540.62559 23421.52784
Navicula lanceolata (Agardh) Ehrenberg 180.20853 226959.1838
Navicula menisculus Schumann 270.3128 94691.75511
Navicula minima Grunow 10812.51292 433776.5015
Navicula subminuscula Manguin 1982.29383 142618.5084
Navicula symmetrica Patrick 90.10427 44369.62219
Navicula tenelloides Hustedt 540.62559 89420.55924
Navicula tripunctata (Müller) Bory 180.20853 168303.4031
Nitzschia aequorea Hustedt 360.41706 4221925.441
Nitzschia amphibia Grunow 4325.00517 803370.5321
Nitzschia dissipata (Kützing) Grunow 360.41706 91627.12439
Nitzschia filiformis (Smith) Van Heurck 540.62559 430280.1714
Nitzschia filiformis var. conferta (Reichardt) Lange-Bertalot 1081.25118 430537.2551
Nitzschia frustulum (Kützing) Grunow 3694.27509 181254.1398
Nitzschia inconspicua Grunow 3063.54523 105819.6314
Nitzschia palea (Kützing) Smith 180.20853 53843.33713
Nitzschia palea var. debilis (Kützing) Grunow 360.41706 61397.74178
Nitzschia sociabilis Hustedt 360.41706 82473.56907
Pleurosira laevis (Ehrenberg) Compčre 180.20853 19706150.46
Reimeria sinuata (Gregory) Kociolek et Stoermer 360.41706 59574.5072
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot 2342.71112 1194418.356
Sellaphora seminulum (Grunow) Mann 901.04265 66717.43271
Stephanodiscus hantzschii Grunow 180.20853 58680.55756
Synedra ulna (Nitzsch) Ehrenberg 360.41706 2137441.412
Tabularia tabulata (Agardh) Snoeijs 810.93839 1478585.426
Thalassiosira weissflogii (Grunow) Fryxell et Hasle 540.62559 482114.7691
Tryblionella apiculata Gregory 180.20853 439830.6702
Cyanophyta
Anabaena subcylindrica Borge 2260.0535 72111.07501
Gloeocapsa rupestris Kützing 452.0107 19170.4518
Phormidium tenue (Agardh ex Gomont) Anagnostidis & Komárek 2712.0642 465743.5444
Porphyrosiphon versicolor (Gomont) Anagnostidis & Komárek 10848.2568 329741.7695
Unknown Cyanophyte Oscillatoriaceae sp. 1 MSU 46331.09675 3625237.359
Rhodophyta
Unknown Rhodophyte Florideophycidae (chantransia) 678.01605 1378821.081


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data