LOCATION.-- Lat 40°18'38", long 88°19'20" (NAD of 1927), in NE1/4NW1/4 sec.5, T.21 N., R.8 E., Champaign County, Hydrologic Unit 07130006, on left downstream side of bridge on U.S. Highway 136, 1.2 mi east of Fisher, 8.8 mi west of Rantoul, and at mile 201.1. | |
DRAINAGE AREA.-- 240 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1978 to current year. | |
STAGE: Water years 1994 to current year. | |
SURFACE-WATER QUALITY | |
CHEMICAL: Water years 1979-91. | |
BIOLOGICAL | |
ALGAE: Water year 1997. | |
BENTHIC MACROINVERTEBRATES: Water year 1997. | |
REVISED RECORDS.-- WDR IL-06: 2004. | |
GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 683.23 ft above NGVD of 1929 (683.08 ft NAVD 1988). | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 13,000 ft3/s, Apr. 12, 1994, gage height, 21.58 ft; no flow several days in 1988, 1994, 1999 and 2000. | |
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). The reach begins 47 meters downstream from the bridge at US Route 136, east of Fisher. | |
| 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 8/15/1997 | |||
| Chlorophyta | |||
| Chlorella vulgaris Beyerinck | 5010.68298 | 994095.5306 | |
| Chlorellodiopsis separabilis Pascher | 95202.97671 | 10761744.49 | |
| Gloeocystis vesiculosa Nägeli | 10021.36597 | 2952245.703 | |
| Kirchneriella dianae Comas | 5010.68298 | 72931.53473 | |
| Scenedesmus acuminatus (Lagerheim) Chodat | 10021.36597 | 1111701.821 | |
| Scenedesmus quadricauda (Turpin) Brébisson | 40085.46388 | 1395447.387 | |
| Chrysophyta | |||
| Achnanthes conspicua Mayer | 448.71668 | 33906.34827 | |
| Achnanthidium minutissimum (Kützing) Czarnecki | 1121.79171 | 60994.75136 | |
| Amphora pediculus (Kützing) Grunow | 3141.02179 | 295645.5901 | |
| Cocconeis pediculus Ehrenberg | 1346.15005 | 4289954.786 | |
| Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 1794.86673 | 1238539.521 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 7403.8403 | 8090440.139 | |
| Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et Håkansson | 448.71668 | 80745.58399 | |
| Cyclotella atomus Hustedt | 2243.58842 | 188184.3984 | |
| Cyclotella meneghiniana Kützing | 28044.86281 | 24233816.19 | |
| Cyclotella nana Hustedt | 1794.86673 | 40776.74151 | |
| Cymbella affinis Kützing | 448.71668 | 265878.1049 | |
| Encyonema minutum (Hilse) Mann | 224.35834 | 46056.37872 | |
| Encyonopsis microcephala (Grunow) Krammer | 448.71668 | 27823.67889 | |
| Fallacia pygmaea (Kützing) Stickle et Mann | 448.71668 | 488742.5417 | |
| Fallacia tenera (Hustedt) Mann | 448.71668 | 69767.96527 | |
| Fragilaria vaucheriae (Kützing) Petersen | 1570.50839 | 1033709.81 | |
| Geissleria decussis (Hustedt) Lange-Bertalot et Metzeltin | 448.71668 | 118522.7322 | |
| Gomphonema olivaceum (Lyngbye) Kützing | 897.43337 | 350592.2919 | |
| Gomphonema parvulum (Kützing) Kützing | 1346.15005 | 292745.8357 | |
| Melosira varians Agardh | 448.71668 | 2276990.39 | |
| Navicula capitatoradiata Germain | 448.71668 | 259242.6423 | |
| Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 6506.40693 | 1719061.655 | |
| Navicula erifuga Lange-Bertalot | 2692.30511 | 1179899.353 | |
| Navicula exilis Kützing | 448.71668 | 159819.2278 | |
| Navicula germainii Wallace | 5833.33191 | 3850365.649 | |
| Navicula gregaria Donkin | 4487.17685 | 1251668.135 | |
| Navicula ingenua Hustedt | 224.35834 | 9719.87835 | |
| Navicula meniscus Schumann | 897.43337 | 1500896.216 | |
| Navicula minima Grunow | 4038.46017 | 161880.2617 | |
| Navicula reichardtiana Lange-Bertalot | 448.71668 | 58573.08095 | |
| Navicula subminuscula Manguin | 897.43337 | 65351.41807 | |
| Navicula trivialis Lange-Bertalot | 897.43337 | 978564.1324 | |
| Nitzschia amphibia Grunow | 897.43337 | 167222.265 | |
| Nitzschia dissipata (Kützing) Grunow | 1794.86673 | 456300.4798 | |
| Nitzschia frustulum (Kützing) Grunow | 673.07502 | 33145.68005 | |
| Nitzschia palea (Kützing) Smith | 1346.15005 | 407659.6386 | |
| Nitzschia palea var. debilis (Kützing) Grunow | 3814.10182 | 650313.456 | |
| Nitzschia palea var. tenuirostris Grunow | 448.71668 | 154943.9091 | |
| Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 1346.15005 | 381096.4325 | |
| Simonsenia delognei (Grunow) Lange-Bertalot | 11666.66381 | 654452.7255 | |
| Surirella minuta Brébisson | 1570.50839 | 1342205.221 | |
| Thalassiosira weissflogii (Grunow) Fryxell et Hasle | 28942.30119 | 25809934.24 | |
| Tryblionella apiculata Gregory | 448.71668 | 1095172.126 | |
| Cyanophyta | |||
| Aphanocapsa incerta (Lemmermann) Cronberg & Komárek | 641367.422 | 674450.0832 | |
| Oscillatoria angustissima West & West | 1207574.599 | 142585654.8 | |
| Oscillatoria fremyii De Toni | 486036.2495 | 678875.3215 | |
| Phormidium diguetii | 75160.24477 | 4729324.136 | |
| Rhabdogloea smithii (Chodat) Komárek | 15032.04895 | 149878.4012 | |
| Synechococcus elongatum (Nägeli) Nägeli | 10021.36597 | 59951.36046 | |
| Euglenophyta | |||
| Euglena korshikovii Gojdics | 5010.68298 | 13930742.59 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |