LOCATION.-- Lat 42°25'07", long 87°56'16" (NAD of 1927), in SW¼ SE¼ sec.32 , T46N, R11E, Lake County, Hydrologic Unit 07120004, 69 feet downstream of Hwy 41 Bridge. | |
DRAINAGE AREA.-- 65.3 mi². | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Annual maximum, water years 1962-1976; Miscellaneous discharge measurements, water year 2000. | |
SURFACE-WATER QUALITY | |
MISCELLANEOUS: 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 167 feet downstream of Highway 41 and continues downstream for 558 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 7/18/2000 | |||
Chlorophyta | |||
Scenedesmus spinosus Chodat | 754.31569 | 12440.82979 | |
Chrysophyta | |||
Achnanthidium affine (Grunow) Czarnecki | 186.69313 | 13146.44346 | |
Amphora copulata (Kützing) Schoeman et Archibald | 186.69313 | 312252.0013 | |
Amphora pediculus (Kützing) Grunow | 1306.85194 | 130384.5261 | |
Aulacoseira muzzanensis (Meister) Krammer | 746.77253 | 2513832.777 | |
Cocconeis pediculus Ehrenberg | 186.69313 | 599483.4861 | |
Cocconeis placentula Ehrenberg | 1120.1588 | 816093.419 | |
Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 560.0794 | 384587.4829 | |
Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 186.69313 | 209097.4611 | |
Craticula molestiformis (Hustedt) Lange-Bertalot | 2707.05044 | 303849.0357 | |
Cyclotella atomus Hustedt | 2707.05044 | 225198.3377 | |
Cyclotella comensis Grunow et Van Heurck | 186.69313 | 23753.80797 | |
Cyclotella meneghiniana Kützing | 6160.87341 | 5252487.806 | |
Cyclotella ocellata Pantocsek | 373.38627 | 70936.72052 | |
Cyclotella stelligera (Cleve et Grunow) Van Heurck | 186.69313 | 45250.48134 | |
Diatoma tenuis Agardh | 746.77253 | 86101.05383 | |
Diploneis parma Cleve | 186.69313 | 1400385.196 | |
Gomphonema olivaceum (Lyngbye) Kützing | 186.69313 | 72933.7421 | |
Gomphonema parvulum (Kützing) Kützing | 933.46567 | 236408.9512 | |
Gyrosigma scalproides (Rabenhorst) Cleve | 186.69313 | 273557.0975 | |
Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkowski | 186.69313 | 111204.5584 | |
Mayamaea atomus (Kützing) Lange-Bertalot | 373.38627 | 10471.398 | |
Mayamaea atomus var. permitis (Hustedt) Lange-Bertalot | 2613.70387 | 106228.3931 | |
Navicula cryptocephala Kützing | 560.0794 | 188478.7192 | |
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 2053.62447 | 531099.6411 | |
Navicula erifuga Lange-Bertalot | 1306.85194 | 666096.1121 | |
Navicula germainii Wallace | 186.69313 | 82655.45571 | |
Navicula gregaria Donkin | 560.0794 | 150857.1821 | |
Navicula minima Grunow | 1120.1588 | 44690.87208 | |
Navicula recens Lange-Bertalot | 14188.67816 | 7109279.578 | |
Navicula symmetrica Patrick | 186.69313 | 92343.42896 | |
Navicula tantula Hustedt | 186.69313 | 9457.87933 | |
Navicula trivialis Lange-Bertalot | 186.69313 | 198025.0217 | |
Navicula veneta Kützing | 2613.70387 | 412463.8804 | |
Nitzschia agnita Hustedt | 186.69313 | 17932.7077 | |
Nitzschia amphibia Grunow | 186.69313 | 34633.96104 | |
Nitzschia dissipata (Kützing) Grunow | 373.38627 | 95081.89394 | |
Nitzschia frustulum (Kützing) Grunow | 1306.85194 | 65043.11769 | |
Nitzschia palea (Kützing) Smith | 933.46567 | 272063.6975 | |
Nitzschia palea var. debilis (Kützing) Grunow | 1680.2382 | 270183.4587 | |
Nitzschia sociabilis Hustedt | 186.69313 | 42720.64386 | |
Nitzschia valdecostata Lange-Bertalot et Simonsen | 186.69313 | 2186923.368 | |
Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 560.0794 | 75802.85613 | |
Planothidium rostratum (Østrup) Lange-Bertalot | 186.69313 | 15831.15014 | |
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 373.38627 | 189811.0949 | |
Sellaphora pupula (Kützing) Meresckowsky | 186.69313 | 101906.9633 | |
Sellaphora seminulum (Grunow) Mann | 373.38627 | 27463.16915 | |
Simonsenia delognei (Grunow) Lange-Bertalot | 186.69313 | 10402.80661 | |
Skeletonema potamos (Weber) Hasle | 2427.01074 | 115948.3148 | |
Stephanodiscus hantzschii Grunow | 373.38627 | 118969.9884 | |
Thalassiosira pseudonana Hasle et Heimdal | 933.46567 | 42016.71894 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |