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Essay / Research Paper Abstract
A 10 page overview of the problems of water pollution caused by domestic wastes. Discusses regulation and the factors which influence it and identifies two alternative methods for treatment and discharge. Bibliography lists 6 sources.
Page Count:
10 pages (~225 words per page)
File: D0_Watpoll.doc
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Unformatted sample text from the term paper:
these, however, is undoubtedly the input of sewage. These impacts can occur either directly or indirectly and involve both ground waters and open water bodies. Sewage disposal is
a regulated phenomenon in the United States yet direct input of untreated sewage continues to occur at a far too great of rate. Treated sewage is discharged into our
water bodies as well or into areas which are contiguous with ground waters. Treated or untreated, sewage poses a significant problem to the health of our nations waters.
Not only does sewage contamination make waters unpalatable for human consumption, it also has the potential to result in severe environmental consequences.
The world generates a tremendous amount of domestic wastewater. There are numerous environmental problems associated with domestic wastewater. In addition to the number of contaminants which are
associated with it, the tremendous volume of the output itself often makes it difficult to dispose of. There are numerous solutions to both the treatment and the disposal of
domestic wastewater, the utilization of some of which can actually be environmentally advantageous. Current Treatment Methodologies Currently in the United States approximately one-third of domestic wastewater is processed in
on-site septic systems (Wilhelm, Schiff, and Cherry; 1994). The remainder of the treated waters are collected in centralized treatment systems which remove organic matter and chemically treat the water
to some degree for bacteriological and viral contaminants prior to releasing it in adjacent water bodies or other disposal areas. Specific Contaminants Specific contaminants of domestic wastewaters include nitrates,
phosphates and human pathogens. These waters also frequently include toxic organic non-organic constituents from household products (Wilhelm, Schiff, and Cherry; 1994). Redox level and pH of the
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