"Sewage Organisms: A Color Atlas" is a book authored by J. Carl Fox, Paul R. Fitzgerald, and Cecil I. Lue-Hing. This atlas provides a visual guide to the various organisms that can be found in sewage. It aims to assist professionals in the field of wastewater management, environmental science, and microbiology in identifying and classifying these organisms.
The book includes detailed illustrations and photographs accompanied by informative descriptions of different types of organisms. Sewage organisms covers a wide range of microorganisms, including bacteria, protozoa, fungi, and other microscopic life forms commonly found in sewage and wastewater treatment processes. Particular concern is the fecal coliform group, 30 indicator organisms. Using microscopy, we can talk much about the conditions of water based on the type and numbers of Rotifers, Nematodes, Toxocarid sp. eggs, Stalked Ciliates, Rotifers, Copepods and many more. Understanding the presence and characteristics of these organisms is crucial for monitoring and maintaining the quality of spent water treatment systems.
By identifying specific organisms, professionals can assess the effectiveness of treatment processes and take appropriate measures to ensure proper wastewater treatment and environmental protection.
Essentially what is desired is a substantially lower Biochemical Oxygen Demand BOD at the effluent of the treatment plant than what is influent. The formula for percent removal is as follows:
[(in percent removal), in out divided by in times 100]
When BOD is removed it in turn indicates the removal of organic matter which promote bacterial growth in streams, and inversely proportional is increased dissolved oxygen in the stream. This situation fosters aquatic life and in turn helps to prevent fouling and excessive organic loading at the inlet of downstream potable water treatment plants. This also applies to private businesses and residence on privately maintained point of use water sources.
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