Station list     Available data
ILLINOIS RIVER BASIN


05530510       WILLOW CREEK AT DES PLAINES R. RD. NR ROSEMONT, IL

 

LOCATION.-- Lat 41°59'24", long 87°51'36" (NAD of 1927), in NW¼ SE¼ NW¼ sec.3, T.40N., R.12E., Cook County, Hydrologic Unit 07120004, 113 feet upstream of first bridge upstream of River Road.

 

DRAINAGE AREA.-- 21.7 mi².

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

PARTIAL RECORD: Miscellaneous discharge measurements, water year 2000.

SURFACE-WATER QUALITY

 

MISCELLANEOUS: Water year 2000; contaminants in streambed sediments, water year 2000.

BIOLOGICAL

 

ALGAE: Water year 2000.

 

BENTHIC MACROINVERTEBRATES: Water year 2000.

 

FISH: Water year 2001.

 

HABITAT: Water years 2000-01.

 

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 113 feet upstream of the first bridge upstream of River Road and continues upstream for 630 feet.

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
7/14/2000
Chlorophyta
Scenedesmus spinosus Chodat 4386.33948 72343.32193
Chrysophyta
Achnanthidium exilis (Kützing) Round et Bukhtiyarova 15249.83953 2595353.972
Amphora pediculus (Kützing) Grunow 69713.55513 6955316.514
Cocconeis pediculus Ehrenberg 1089.27394 3497727.664
Cocconeis placentula Ehrenberg 14160.5656 10316701.86
Cocconeis placentula var. euglypta (Ehrenberg) Cleve 5446.37079 3739837.656
Cocconeis placentula var. lineata (Ehrenberg) Van Heurck 2178.54788 2439987.06
Cyclotella meneghiniana Kützing 1089.27394 928666.7169
Fragilaria vaucheriae (Kützing) Petersen 2178.54788 477727.2438
Gomphonema kobayasii Kociolek et Kingston 1089.27394 179438.4264
Gomphonema parvulum (Kützing) Kützing 1089.27394 275868.8598
Luticola goeppertiana (Bleisch) Mann 2178.54788 1704738.086
Melosira varians Agardh 1089.27394 5496779.697
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot 3267.82291 845110.4874
Navicula germainii Wallace 4357.09685 1929036.269
Navicula gregaria Donkin 3267.82291 880186.9087
Navicula minima Grunow 47928.06867 1912181.721
Navicula recens Lange-Bertalot 14160.5656 7095193.695
Navicula subminuscula Manguin 15794.47705 1103308.667
Navicula tantula Hustedt 1089.27394 55182.64795
Navicula tripunctata (Müller) Bory 1089.27394 1017313.165
Navicula veneta Kützing 3267.82291 515689.2234
Nitzschia amphibia Grunow 15249.83953 2829040.03
Nitzschia desertorum Hustedt 2178.54788 163911.6859
Nitzschia frustulum (Kützing) Grunow 40303.14891 2005921.548
Nitzschia inconspicua Grunow 3267.82291 108949.1563
Nitzschia intermedia Hantzsch ex Cleve et Grunow 1089.27394 1000555.946
Nitzschia palea (Kützing) Smith 1089.27394 317474.8741
Nitzschia palea var. debilis (Kützing) Grunow 2178.54788 350311.9972
Placoneis gastrum (Ehrenberg) Mereschkowsky 1089.27394 2952953.569
Planothidium delicatulum (Kützing) Round et Bukhtiyarova 1089.27394 223567.3406
Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot 20696.21142 2801088.443
Planothidium rostratum (Østrup) Lange-Bertalot 1089.27394 92367.93523
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot 11982.01662 6091064.114
Sellaphora seminulum (Grunow) Mann 10348.10516 761120.018
Surirella minuta Brébisson 3267.82291 2708252.066
Tryblionella apiculata Gregory 1089.27394 2658564.973
Cyanophyta
Merismopedia tenuissima Lemmermann 17545.35793 20764.19555
Phormidium amoenum 31800.96124 1768564.397


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data