LOCATION.-- Lat 41°42'18", long 88°39'09" (NAD of 1927), in SE¼ SE¼ SW¼ sec.3, T.37N., R.5E., DeKalb County, Hydrologic Unit 07120007, 144 feet downstream of bridge at Somonauk Road. | |
DRAINAGE AREA.-- 37.0 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 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 144 feet upstream of Somonauk Road and continues upstream for 591 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 | |||
| Taxon | Cells (number/cm2) | Biovolume (biovolume/cm2) | |
| Reach A 7/25/2000 | |||
| Chrysophyta | |||
| Achnanthes conspicua Mayer | 4580.79993 | 346138.6749 | |
| Achnanthes sublaevis Hustedt | 9161.60451 | 1354089.174 | |
| Achnanthidium affine (Grunow) Czarnecki | 25194.41357 | 1774124.881 | |
| Amphora pediculus (Kützing) Grunow | 251944.1635 | 25136451.55 | |
| Cocconeis pediculus Ehrenberg | 4580.79993 | 14709238.95 | |
| Cocconeis placentula Ehrenberg | 6871.20454 | 5006026.645 | |
| Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 9161.60451 | 6290962.339 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 27484.81818 | 30783165.87 | |
| Cyclotella meneghiniana Kützing | 4580.79993 | 3905387.141 | |
| Encyonema minutum (Hilse) Mann | 13742.40909 | 2914965.845 | |
| Fallacia subhamulata (Grunow) Mann | 9161.60451 | 2618156.46 | |
| Fragilaria vaucheriae (Kützing) Petersen | 4580.79993 | 1004509.907 | |
| Geissleria decussis (Hustedt) Lange-Bertalot et Metzeltin | 4580.79993 | 1198067.413 | |
| Gomphonema clavatum Ehrenberg | 4580.79993 | 7606965.463 | |
| Gomphonema minutum (Agardh) Agardh | 36646.42269 | 12208107.89 | |
| Gomphonema olivaceum (Lyngbye) Kützing | 9161.60451 | 3579082.356 | |
| Gomphonema parvulum (Kützing) Kützing | 9161.60451 | 2320262.424 | |
| Mayamaea atomus var. permitis (Hustedt) Lange-Bertalot | 13742.40909 | 558530.7694 | |
| Melosira varians Agardh | 16032.80906 | 80906020.18 | |
| Navicula capitatoradiata Germain | 41227.22726 | 23626160.24 | |
| Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 59550.43629 | 15400680.99 | |
| Navicula erifuga Lange-Bertalot | 4580.79993 | 2334811.575 | |
| Navicula germainii Wallace | 9161.60451 | 4056156.652 | |
| Navicula gregaria Donkin | 18323.20902 | 4935349.66 | |
| Navicula ingenua Hustedt | 9161.60451 | 396908.2711 | |
| Navicula minima Grunow | 284009.7863 | 11331112.17 | |
| Navicula pseudoventralis Hustedt | 27484.81818 | 4459837.282 | |
| Navicula reichardtiana Lange-Bertalot | 27484.81818 | 3582572.455 | |
| Navicula rostellata Kützing | 4580.79993 | 3964795.72 | |
| Navicula subminuscula Manguin | 54969.63635 | 3839853.389 | |
| Navicula tantula Hustedt | 4580.79993 | 232063.4517 | |
| Navicula tripunctata (Müller) Bory | 41227.22726 | 38503630.31 | |
| Navicula veneta Kützing | 4580.79993 | 722887.7521 | |
| Nitzschia amphibia Grunow | 13742.40909 | 2549392.427 | |
| Nitzschia dissipata (Kützing) Grunow | 45808.0272 | 11664901.38 | |
| Nitzschia frustulum (Kützing) Grunow | 50388.83178 | 2507894.449 | |
| Nitzschia palea var. debilis (Kützing) Grunow | 4580.79993 | 736595.7801 | |
| Nitzschia sociabilis Hustedt | 13742.40909 | 3144650.009 | |
| Planothidium delicatulum (Kützing) Round et Bukhtiyarova | 32065.61811 | 6581287.506 | |
| Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 18323.20902 | 2479919.053 | |
| Reimeria sinuata (Gregory) Kociolek et Stoermer | 6871.20454 | 1152976.76 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 109939.2727 | 55887684.01 | |
| Sellaphora pupula (Kützing) Meresckowsky | 4580.79993 | 2500442.313 | |
| Sellaphora seminulum (Grunow) Mann | 13742.40909 | 1010776.61 | |
| Surirella angusta Kützing | 4580.79993 | 5023732.571 | |
| Cyanophyta | |||
| Lyngbya hieronymusii Lemmermann | 143923.879 | 82065261.45 | |
| Rhodophyta | |||
| Unknown Rhodophyte Florideophycidae (chantransia) | 691763.1602 | 1384497906 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |