Abstract
The implication of residual bacterial isolates from two Port Harcourt waters: Abonnema Wharf (A) and Tourist Beach (B) were investigated in this study. A total of twelve (12) bacterial genera were isolated and mostly, which are of great public health concern, and are the cause of Enteric diseases in humans. Bacterial species was more diverse at B than A. Faecal coliforms were found as abundant species beyond regulatory permissible limits in the waters, indicating Pollution of the aquatic systems. The enumeration method employed was the Membrane filtration, where the residues were incubated at 350C for isolation of total coliforms and 44.50C for Faecal coliform for 24 – 48 hours. Sewage contamination from humans and animals excrements, erosion/run-off, industrial effluents and oil spillage may have profound effect on the waters studied. The result of the study is a wake-up call for community involvement to protect water bodies and supplies from Pollution and to perform basic local surveillance and maintenance of water and sanitation systems.
Highlights
Beyond its importance for human consumption, it has been rightly asserted that water serves many purposes which include: acting as a source of fluid for man and animals; a medium for recreational activities such as fishing, boat-racing and swimming; a means of transportation through rivers and oceans; an agent for cleansing and cooling the body, objects or the environment; an agricultural irrigant; an adjunct to innumerable industrial processes; a conveyor for the disposal of human and industrial wastes; a medium systems of heating and air conditioning; and a means of extinguishing fire [7, 12]
The result revealed that highest Pollution occurs at sites B0 and B1; while at sites A0 and B3 lowest Pollution occurs
The current level of Faecal coliforms in Abonnema Wharf (A) and Tourist Beach (B) waters suggest that the waters are not good for domestic use and unfit for human consumption
Summary
Beyond its importance for human consumption, it has been rightly asserted that water serves many purposes which include: acting as a source of fluid for man and animals; a medium for recreational activities such as fishing, boat-racing and swimming; a means of transportation through rivers and oceans; an agent for cleansing and cooling the body, objects or the environment; an agricultural irrigant; an adjunct to innumerable industrial processes; a conveyor for the disposal of human and industrial wastes; a medium systems of heating and air conditioning; and a means of extinguishing fire [7, 12]. Water pollution has tremendous harmful effect on humans, animals and other aquatic organisms. It arises from human, natural and industrial activities. Eroding of soil and natural vegetation, discharging wastes and effluents from sewage treatment plants, run-off from chemical fertilizers and pesticides, as well as oil and lube spillage in the coastal area from the operation of sea and river ports into water bodies contribute to the greatest threat to water quality especially in the Niger Delta region of Nigeria [2, 10, 11, 13]
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