Station list     Available data
ILLINOIS RIVER BASIN


05540660       ROCK RUN NR SHOREWOOD, IL

 

LOCATION.-- Lat 41°29'07", long 88°11'09" (NAD of 1927), in NW¼ SE¼ sec.27, T.35N., R.9E., Will County, Hydrologic Unit 07120004, 121 feet downstream of Mound Road.

 

DRAINAGE AREA.-- 14.10 mi².

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

PARTIAL RECORD: Annual maximum, water years 1965-1970; 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 year 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 121 feet downstream of Mound Road and continues downstream for 492 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
7/21/2000

Chlorophyta
Actinastrum hantzschii var. fluviatile Schröder 2561.69976 71777.9041
Crucigenia sp. 10246.79903 289721.4169
Chrysophyta
Achnanthidium affine (Grunow) Czarnecki 639.35159 45021.47094
Achnanthidium minutissimum (Kützing) Czarnecki 639.35159 34763.21928
Amphora pediculus (Kützing) Grunow 3836.11272 382728.6979
Cocconeis placentula Ehrenberg 1278.70381 931601.6319
Cocconeis placentula var. euglypta (Ehrenberg) Cleve 1918.05604 1317063.873
Cocconeis placentula var. lineata (Ehrenberg) Van Heurck 1278.70381 1432156.159
Craticula molestiformis (Hustedt) Lange-Bertalot 639.35159 71763.1118
Cyclotella atomus Hustedt 5114.81718 425499.396
Cyclotella meneghiniana Kützing 25893.76361 22075876.03
Cyclotella pseudostelligera Hustedt 639.35159 55249.09714
Cymbella caespitosa Brun 639.35159 290603.6693
Diadesmis confervacea Kützing 639.35159 323197.4682
Gomphonema parvulum (Kützing) Kützing 639.35159 161921.7967
Melosira varians Agardh 639.35159 3226346.19
Navicula cari Ehrenberg 639.35159 89880.4371
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot 5114.81718 1322772.302
Navicula erifuga Lange-Bertalot 17262.50886 8798617.291
Navicula gregaria Donkin 3836.11272 1033255.562
Navicula ingenua Hustedt 2557.40827 110794.6205
Navicula recens Lange-Bertalot 49230.11895 24666898.17
Navicula rhynchocephala Kützing 639.35159 457496.8488
Navicula salinarum Grunow 2557.40827 2268167.34
Navicula subminuscula Manguin 5114.81718 357290.8497
Navicula symmetrica Patrick 1278.70381 632481.1874
Navicula trivialis Lange-Bertalot 4475.46495 4747116.441
Navicula veneta Kützing 13746.07193 2169242.748
Nitzschia acicularis (Kützing) Smith 2557.40827 471090.1998
Nitzschia aequorea Hustedt 639.35159 7489364.491
Nitzschia amphibia Grunow 639.35159 118607.8863
Nitzschia frustulum (Kützing) Grunow 2557.40827 127284.356
Nitzschia palea (Kützing) Smith 18860.88975 5497109.94
Nitzschia palea var. debilis (Kützing) Grunow 7672.22609 1233699.232
Nitzschia sociabilis Hustedt 639.35159 146301.639
Nitzschia supralitorea Lange-Bertalot 1278.70381 113482.0984
Ophiocytium cochleare (Eichwald) Braun 2561.69976 128084.9879
Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot 1918.05604 259595.5608
Thalassiosira pseudonana Hasle et Heimdal 1918.05604 86334.63915
Thalassiosira weissflogii (Grunow) Fryxell et Hasle 639.35159 598521.6426
Tryblionella hungarica (Grunow) Mann 639.35159 565224.191
Cyanophyta
Phormidium amoenum 24336.14769 1353419.604
Euglenophyta
Phacus onyx Pochman 640.42494 960637.4089



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data