LOCATION.-- Lat 41°52'54", long 87°52'09" (NAD of 1927), in SW1/4SE1/4 sec.9, T.39 N., R.12 E., Cook County, Hydrologic Unit 07120004, on right bank at downstream side of bridge on Washington Boulevard in Bellwood, 1,050 ft upstream from railroad bridge, and at mile 3.2. | |
DRAINAGE AREA.-- 17.9 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: August 1950 to June 1951, October 1951 to current year. | |
STAGE: Water years 1994 to current year. | |
SURFACE-WATER QUALITY | |
CHEMICAL: Water years 1979-91, July 2000. | |
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. | |
REVISED RECORDS.-- WSP 1338: 1952. WSP 1708: 1958, 1959(P). WDR IL-75-1: Drainage area. | |
GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 617.65 ft above NGVD of 1929 (Cook County Highway Department bench mark) (617.36 ft NAVD 1988). Prior to Oct. 26, 1951, at datum 2.00 ft higher. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,120 ft3/s, Aug. 14, 1987, gage height, 12.84 ft; no flow Sept. 14, 1962. | |
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 89 feet upstream of Washington Street 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 7/14/2000 | |||
Chlorophyta | |||
Cladophora sp. | 13436.30815 | 1142086.193 | |
Kirchneriella obesa (W. West) Schmidle | 35830.15507 | 5156556.484 | |
Chrysophyta | |||
Amphora pediculus (Kützing) Grunow | 19213.92066 | 1916971.519 | |
Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 4269.75865 | 2931898.103 | |
Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 6404.64022 | 7173236.547 | |
Cyclotella meneghiniana Kützing | 2134.87933 | 1820103.561 | |
Fallacia pygmaea (Kützing) Stickle et Mann | 2134.87933 | 2325312.137 | |
Gomphonema angustatum (Kützing) Rabenhorst | 4269.75865 | 1347472.038 | |
Gomphonema kobayasii Kociolek et Kingston | 8539.51955 | 1406733.324 | |
Navicula erifuga Lange-Bertalot | 4269.75865 | 2176275.339 | |
Navicula ingenua Hustedt | 4269.75865 | 184978.7909 | |
Navicula minima Grunow | 268994.8892 | 10732064.21 | |
Navicula pseudoventralis Hustedt | 8539.51955 | 1385669.259 | |
Navicula recens Lange-Bertalot | 2134.87933 | 1069687.664 | |
Navicula rostellata Kützing | 2134.87933 | 1847790.897 | |
Navicula subminuscula Manguin | 4269.75865 | 298260.0636 | |
Navicula tantula Hustedt | 6404.64022 | 324459.2511 | |
Navicula tripunctata (Müller) Bory | 2134.87933 | 1993842.657 | |
Navicula trivialis Lange-Bertalot | 2134.87933 | 2264462.097 | |
Navicula veneta Kützing | 4269.75865 | 673802.8902 | |
Nitzschia amphibia Grunow | 6404.64022 | 1188142.571 | |
Nitzschia frustulum (Kützing) Grunow | 78990.56196 | 3931426.566 | |
Nitzschia supralitorea Lange-Bertalot | 2134.87933 | 189465.7568 | |
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 164385.7641 | 83565585.04 | |
Sellaphora seminulum (Grunow) Mann | 29888.31953 | 2198334.665 | |
Simonsenia delognei (Grunow) Lange-Bertalot | 2134.87933 | 118958.5087 | |
Cyanophyta | |||
Lyngbya sp. 1? | 407568.014 | 10189200.35 | |
Phormidium tenue (Agardh ex Gomont) Anagnostidis & Komárek | 60463.38669 | 10370467.65 | |
Planktothrix prolifica (Gomont) Anagnostidis & Komárek | 134363.0815 | 25837932.3 | |
Rhodophyta | |||
Unknown Rhodophyte Florideophycidae (chantransia) | 600155.0975 | 1201153117 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |