LOCATION.-- Lat 42°18'52", long 87°57'44" (NAD of 1927), in SW¼ SW¼ SW¼ sec.4, T44N, R11E, Lake County, Hydrologic Unit 07120004, 26 feet upstream of side of bridge on abandoned road in forest preserve off Milwaukee Ave. | |
DRAINAGE AREA.-- 7.77 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. | |
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 26 feet upstream of the abandoned road in the forest preserve and continues upstream 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 | |||
| Taxon | Cells (number/cm2) | Biovolume (biovolume/cm2) | |
| Reach A 7/17/2000 | |||
| Chlorophyta | |||
| Coelastrum microporum Nägeli | 32872.76171 | 2884566.126 | |
| Stigeoclonium lubricum (Dillwyn) Kützing | 81215.05834 | 34041242.84 | |
| Chrysophyta | |||
| Achnanthes exigua var. elliptica Hustedt | 936.28007 | 78452.68254 | |
| Achnanthidium affine (Grunow) Czarnecki | 1872.56013 | 131860.7996 | |
| Achnanthidium exilis (Kützing) Round et Bukhtiyarova | 936.28007 | 159344.5086 | |
| Achnanthidium minutissimum (Kützing) Czarnecki | 936.28007 | 50907.99785 | |
| Amphora inariensis Krammer | 1872.56013 | 290029.7533 | |
| Amphora pediculus (Kützing) Grunow | 80051.94655 | 7986777.101 | |
| Caloneis bacillum (Grunow) Cleve | 1872.56013 | 804803.4648 | |
| Cocconeis pediculus Ehrenberg | 936.28007 | 3006454.638 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 2808.8402 | 3145918.343 | |
| Cyclotella ocellata Pantocsek | 1872.56013 | 355752.9729 | |
| Dinobryon divergens Imhof | 2900.5378 | 145026.8899 | |
| Gomphonema kobayasii Kociolek et Kingston | 7490.24052 | 1233883.346 | |
| Gomphonema minutum (Agardh) Agardh | 936.28007 | 311905.1523 | |
| Gomphonema olivaceum (Lyngbye) Kützing | 936.28007 | 365768.1859 | |
| Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 7490.24052 | 1937094.202 | |
| Navicula ingenua Hustedt | 1872.56013 | 81124.93864 | |
| Navicula minima Grunow | 62730.76534 | 2502763.541 | |
| Navicula pseudoventralis Hustedt | 1872.56013 | 303851.873 | |
| Navicula recens Lange-Bertalot | 936.28007 | 469125.9237 | |
| Navicula symmetrica Patrick | 936.28007 | 463109.221 | |
| Navicula tantula Hustedt | 1872.56013 | 94863.94812 | |
| Navicula tripunctata (Müller) Bory | 1872.56013 | 1748853.071 | |
| Nitzschia frustulum (Kützing) Grunow | 63198.90537 | 3145462.564 | |
| Nitzschia inconspicua Grunow | 936.28007 | 31215.56028 | |
| Nitzschia supralitorea Lange-Bertalot | 936.28007 | 83092.75793 | |
| Nitzschia tropica Hustedt | 936.28007 | 199415.6816 | |
| Planothidium delicatulum (Kützing) Round et Bukhtiyarova | 3745.12026 | 768664.839 | |
| Reimeria sinuata (Gregory) Kociolek et Stoermer | 2808.8402 | 471318.74 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 25747.70179 | 13088857.03 | |
| Cyanophyta | |||
| Chroococcus dispersus (Keissler) Lemmermann | 44474.9129 | 1892565.059 | |
| Chroococcus minor (Kützing) Nägeli | 15469.53492 | 128933.0239 | |
| Gomphosphaeria aponina Kützing | 21270.61052 | 531765.2629 | |
| Rhodophyta | |||
| Unknown Rhodophyte Florideophycidae (chantransia) | 56077.06409 | 112232888.8 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |