LOCATION.-- Lat 41°38'09", long 88°32'27" (NAD of 1927), at SE¼ NW¼ SW¼ sec.34, T.37N., R.6E., Kendall County, Hydrologic Unit 07120007, 52 feet upstream of confluence with Big Rock Creek. | |
DRAINAGE AREA.-- 75.89 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 52 feet upstream of the confluence with Big Rock Creek and continues upstream for 722 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 7/26/2000 | |||
| Chlorophyta | |||
| Closterium moniliferum Ehrenberg | 12075.92391 | 1090953567 | |
| Chrysophyta | |||
| Achnanthidium minutissimum (Kützing) Czarnecki | 5997.70082 | 326110.6926 | |
| Amphora pediculus (Kützing) Grunow | 839679.2382 | 83774738.8 | |
| Cocconeis placentula Ehrenberg | 5997.70082 | 4369634.164 | |
| Cyclotella meneghiniana Kützing | 23990.82744 | 20453516.93 | |
| Cymbella affinis Kützing | 11995.41372 | 7079278.382 | |
| Diatoma mesodon (Ehrenberg) Kützing | 5997.70082 | 5607071.299 | |
| Encyonema minutum (Hilse) Mann | 29988.54034 | 6361007.758 | |
| Fragilariforma constricta (Ehrenberg) Williams et Round | 11995.41372 | 10280069.56 | |
| Gomphonema kobayasii Kociolek et Kingston | 11995.41372 | 1976030.165 | |
| Gomphonema minutum (Agardh) Agardh | 71972.50648 | 23976368.21 | |
| Gomphonema olivaceum (Lyngbye) Kützing | 11995.41372 | 4686141.336 | |
| Gomphonema parvulum (Kützing) Kützing | 11995.41372 | 3037951.232 | |
| Melosira varians Agardh | 149942.7138 | 756652697.9 | |
| Navicula capitatoradiata Germain | 227912.9332 | 130610468.8 | |
| Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 767706.7317 | 198541055.4 | |
| Navicula germainii Wallace | 11995.41372 | 5310781.217 | |
| Navicula gregaria Donkin | 11995.41372 | 3230960.306 | |
| Navicula minima Grunow | 197924.3928 | 7896571.187 | |
| Navicula reichardtiana Lange-Bertalot | 59977.08068 | 7817851.87 | |
| Navicula subminuscula Manguin | 11995.41372 | 837928.5926 | |
| Navicula tripunctata (Müller) Bory | 371857.9461 | 347291870.8 | |
| Nitzschia ambigua Manguin | 11995.41372 | 140514276.3 | |
| Nitzschia dissipata (Kützing) Grunow | 467821.2921 | 119129540.6 | |
| Nitzschia frustulum (Kützing) Grunow | 11995.41372 | 597021.8088 | |
| Nitzschia inconspicua Grunow | 35986.25324 | 1199781.026 | |
| Nitzschia palea (Kützing) Smith | 47981.66696 | 13984520.45 | |
| Nitzschia supralitorea Lange-Bertalot | 11995.41372 | 1064566.09 | |
| Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 17993.12662 | 2435244.692 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 125951.8863 | 64027704.12 | |
| Surirella minuta Brébisson | 11995.41372 | 9941359.997 | |
| Cyanophyta | |||
| Homoeothrix janthina (Bornet et Flahault) Starmach | 338125.8694 | 2627848.594 | |
| Phormidium granulatum | 748707.2822 | 61916480.9 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |