LOCATION.-- Lat 41°32'11", long 87°35'48" (NAD of 1927), in SW¼ SW¼ NW¼ sec.11, T.35N., R.14E., Cook County, Hydrologic Unit 07120003, 82 feet upstream of Cottage Grove Bridge. | |
DRAINAGE AREA.-- 24.00 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 82 feet upstream of Cottage Grove Bridge and continues upstream for 525 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 7/12/2000 | |||
| Chrysophyta | |||
| Amphora pediculus (Kützing) Grunow | 4066.58472 | 405722.8731 | |
| Amphora veneta Kützing | 137.85026 | 80063.12907 | |
| Caloneis amphisbaena (Bory) Cleve | 137.85026 | 1119356.329 | |
| Caloneis bacillum (Grunow) Cleve | 137.85026 | 59246.35936 | |
| Cocconeis pediculus Ehrenberg | 275.70053 | 885291.8737 | |
| Cocconeis placentula Ehrenberg | 275.70053 | 200862.0445 | |
| Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 137.85026 | 94657.08988 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 413.55093 | 463179.5928 | |
| Cyclotella atomus Hustedt | 551.40119 | 45870.82337 | |
| Cyclotella meneghiniana Kützing | 1171.7278 | 998963.2241 | |
| Diploneis parma Cleve | 551.40119 | 4136060.363 | |
| Fallacia omissa (Hustedt) Mann | 137.85026 | 25990.26353 | |
| Fallacia pygmaea (Kützing) Stickle et Mann | 137.85026 | 150146.6096 | |
| Gomphonema kobayasii Kociolek et Kingston | 137.85026 | 22708.36897 | |
| Gomphonema olivaceum (Lyngbye) Kützing | 137.85026 | 53852.73381 | |
| Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkowski | 68.92513 | 41055.54787 | |
| Mayamaea atomus (Kützing) Lange-Bertalot | 137.85026 | 3865.92949 | |
| Mayamaea atomus var. permitis (Hustedt) Lange-Bertalot | 551.40119 | 22410.51999 | |
| Melosira varians Agardh | 1378.50319 | 6956311.075 | |
| Navicula cryptocephala Kützing | 206.7754 | 69584.3515 | |
| Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 551.40119 | 142601.0359 | |
| Navicula erifuga Lange-Bertalot | 1929.90453 | 983663.0045 | |
| Navicula germainii Wallace | 137.85026 | 61031.04169 | |
| Navicula gregaria Donkin | 6341.11518 | 1707977.06 | |
| Navicula minima Grunow | 1929.90453 | 76997.2223 | |
| Navicula phyllepta Kützing | 689.2516 | 202639.9694 | |
| Navicula recens Lange-Bertalot | 689.2516 | 345351.5716 | |
| Navicula rostellata Kützing | 137.85026 | 119312.8157 | |
| Navicula salinarum Grunow | 827.10186 | 733557.2698 | |
| Navicula tripunctata (Müller) Bory | 137.85026 | 128743.4535 | |
| Navicula trivialis Lange-Bertalot | 275.70053 | 292434.9821 | |
| Navicula veneta Kützing | 1378.50319 | 217539.0956 | |
| Nitzschia acicularis (Kützing) Smith | 137.85026 | 25392.85939 | |
| Nitzschia amphibia Grunow | 964.95226 | 179010.9707 | |
| Nitzschia capitellata Hustedt | 137.85026 | 51675.03783 | |
| Nitzschia clausii Hantzsch | 413.55093 | 52434.08096 | |
| Nitzschia dissipata (Kützing) Grunow | 413.55093 | 105309.7266 | |
| Nitzschia dissipata var. media (Hantzsch) Grunow | 137.85026 | 33876.49357 | |
| Nitzschia frustulum (Kützing) Grunow | 1792.05426 | 89192.04468 | |
| Nitzschia gracilis Hantzsch ex Rabenhorst | 137.85026 | 54975.05258 | |
| Nitzschia levidensis var. salinarum Grunow | 137.85026 | 1614777.997 | |
| Nitzschia palea (Kützing) Smith | 827.10186 | 241063.3816 | |
| Nitzschia palea var. debilis (Kützing) Grunow | 1240.65293 | 199497.8443 | |
| Nitzschia supralitorea Lange-Bertalot | 413.55093 | 36701.71847 | |
| Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 1378.50319 | 186570.831 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 964.95226 | 490533.9632 | |
| Simonsenia delognei (Grunow) Lange-Bertalot | 1998.82966 | 111377.6279 | |
| Stauroneis smithii var. incisa Pantocsek | 137.85026 | 1034014.833 | |
| Stephanodiscus tenuis Hustedt | 137.85026 | 62772.84333 | |
| Surirella angusta Kützing | 551.40119 | 604717.993 | |
| Surirella brebissonii Krammer et Lange-Bertalot | 413.55093 | 537097.9107 | |
| Surirella brebissonii var. kuetzingii Krammer et Lange-Bertalot | 1171.7278 | 1198334.26 | |
| Surirella minuta Brébisson | 551.40119 | 456981.1354 | |
| Surirella subsalsa Smith | 137.85026 | 147477037.6 | |
| Synedra parasitica (Smith) Hustedt | 137.85026 | 12014.68901 | |
| Tabularia tabulata (Agardh) Snoeijs | 137.85026 | 1188407.129 | |
| Tryblionella apiculata Gregory | 689.2516 | 1682239.965 | |
| Tryblionella debilis Arnott | 137.85026 | 30594.14305 | |
| Tryblionella victoriae Grunow | 137.85026 | 119260.0332 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |