LOCATION.-- Lat. 41°51'30", long. 88°11'37" (NAD of 1927), SW¼ SW¼ SE¼ sec.15, T.39N, R.9E., Du Page County, Hydrologic Unit 07120004, 66 feet downstream of Gary's Mill Road. | |
DRAINAGE AREA.-- 60.6mi² | |
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 66 feet downstream of Gary's Mill Road and continues downstream for 984 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 7/10/2000 | |||
| Chlorophyta | |||
| Scenedesmus ecornis (Ralfs) Chodat | 2867.58297 | 37636.33195 | |
| Scenedesmus quadricauda (Turpin) Brébisson | 1433.79149 | 49912.87088 | |
| Chrysophyta | |||
| Achnanthes conspicua Mayer | 1388.4636 | 104916.3811 | |
| Amphora pediculus (Kützing) Grunow | 20132.72224 | 2008640.288 | |
| Cocconeis pediculus Ehrenberg | 5553.85441 | 17833778.55 | |
| Cocconeis placentula Ehrenberg | 6248.08621 | 4552052.824 | |
| Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 5553.85441 | 3813643.002 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 9719.24522 | 10885614.59 | |
| Ctenophora pulchella (Ralfs ex Kützing) Williams et Round | 2776.9272 | 5169559.642 | |
| Cyclostephanos dubius (Frick) Round | 694.2318 | 177062.4216 | |
| Cyclotella atomus Hustedt | 1041.3477 | 86629.25822 | |
| Cyclotella bodanica Grunow | 694.2318 | 833866.525 | |
| Cyclotella meneghiniana Kützing | 2082.6954 | 1775613.859 | |
| Cyclotella ocellata Pantocsek | 694.2318 | 131891.6403 | |
| Dinobryon divergens Imhof | 1433.79149 | 71689.57433 | |
| Diploneis parma Cleve | 694.2318 | 5207432.741 | |
| Gomphonema kobayasii Kociolek et Kingston | 694.2318 | 114362.2899 | |
| Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkowski | 694.2318 | 413522.1223 | |
| Hippodonta lueneburgensis (Grunow) Lange-Bertalot, Metzeltin et Witkowski | 694.2318 | 553403.8172 | |
| Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 6942.31801 | 1795392.808 | |
| Navicula erifuga Lange-Bertalot | 694.2318 | 353846.592 | |
| Navicula germainii Wallace | 1388.4636 | 614720.475 | |
| Navicula gregaria Donkin | 8330.78161 | 2243892.986 | |
| Navicula ingenua Hustedt | 5553.85441 | 240609.6824 | |
| Navicula minima Grunow | 27769.27205 | 1107908.078 | |
| Navicula recens Lange-Bertalot | 34017.35898 | 17044499.34 | |
| Navicula reichardtiana Lange-Bertalot | 694.2318 | 90491.2564 | |
| Navicula rostellata Kützing | 1388.4636 | 1201749.613 | |
| Navicula symmetrica Patrick | 2082.6954 | 1030156.982 | |
| Navicula tantula Hustedt | 1388.4636 | 70339.60459 | |
| Navicula tenelloides Hustedt | 694.2318 | 114827.3328 | |
| Navicula tripunctata (Müller) Bory | 3471.15901 | 3241843.606 | |
| Navicula veneta Kützing | 694.2318 | 109555.4649 | |
| Nitzschia acicularis (Kützing) Smith | 694.2318 | 127881.7316 | |
| Nitzschia amphibia Grunow | 1388.4636 | 257577.734 | |
| Nitzschia frustulum (Kützing) Grunow | 14925.98373 | 742878.7376 | |
| Nitzschia gracilis Hantzsch ex Rabenhorst | 694.2318 | 276861.4913 | |
| Nitzschia palea (Kützing) Smith | 2082.6954 | 607013.0178 | |
| Nitzschia reversa Smith | 1388.4636 | 854074.6194 | |
| Planothidium delicatulum (Kützing) Round et Bukhtiyarova | 1388.4636 | 284974.3338 | |
| Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 9719.24522 | 1315432.322 | |
| Planothidium rostratum (Østrup) Lange-Bertalot | 694.2318 | 58869.26671 | |
| Reimeria sinuata (Gregory) Kociolek et Stoermer | 2082.6954 | 349472.8447 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 10066.36112 | 5117239.686 | |
| Sellaphora pupula (Kützing) Meresckowsky | 694.2318 | 378948.3487 | |
| Sellaphora seminulum (Grunow) Mann | 4859.62261 | 357433.1715 | |
| Simonsenia delognei (Grunow) Lange-Bertalot | 694.2318 | 38683.58214 | |
| Tryblionella hungarica (Grunow) Mann | 1388.4636 | 1227483.019 | |
| Tryblionella victoriae Grunow | 1388.4636 | 1201217.975 | |
| Rhodophyta | |||
| Unknown Rhodophyte Florideophycidae (chantransia) | 10036.54041 | 20087177.2 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |