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AN ANALYSIS OF COLIFORM BACTERIA IN THE UPPER ILLINOIS WATERWAY 1
Author(s) -
Lin Shundar,
Evans Ralph L.
Publication year - 1974
Publication title -
jawra journal of the american water resources association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.957
H-Index - 105
eISSN - 1752-1688
pISSN - 1093-474X
DOI - 10.1111/j.1752-1688.1974.tb00638.x
Subject(s) - fecal coliform , environmental science , coliform bacteria , water quality , effluent , water pollution , sewage , pollution , hydrology (agriculture) , biochemical oxygen demand , indicator bacteria , chemical oxygen demand , environmental engineering , bacteria , environmental chemistry , wastewater , ecology , biology , chemistry , engineering , genetics , geotechnical engineering
During the summer of 1971 about 150 water samples were examined for total and fecal coliform bacteria in the Upper Illinois Waterway at 19 river stations. The data per station were found to be normal geometric distributed. Bacteria densities changed with sampling dates and generally decreased with water movement downstream. Several sewage treatment effluents made marked pulses along the bacterial die‐off curves. The observed fecal coliform results were evaluated in terms of the Illinois Pollution Control Board's standards. The FC:TC ratio on the waterway for each station were presented. Using Chick's Law, coliforms death rates were estimated. Efforts to correlate observed total and fecal densities with temperature, flow, algal densities, dissolved oxygen, and 5‐day biochemical oxygen demand were not successful. (KEY TERMS: algae; biochemical oxygen demand; coliform bacteria; dissolved oxygen; flow; stream survey; temperature; water pollution; water quality standards)