This work was aimed at assessing
microbial coal of Idodo river in Enugu
state Nigeria. The samples of river was obtained from the
arc of low activity, and a place where human activities are very high. The samples were collected very early in the
morning and afternoon. They were
examined to determined the bacterial organisms that are pathogenic to man when
they drink it from the samples were inoculated into media. Nutrient agar and macconkey agar media and
incubate at the temperature range (350c - 370c). The following organisms were isolated. Streptococci faecalis clostridium Perfringens,
Rhodococcis corphilus, Bifidobacteria, salmonella spp. The study shows that appropriate care should
be taken to protect the river from being contaminated by these organisms. The
quantity of pathogenic organisms collected were more in the afternoon.
TABLE OF CONTENTS
Table of contents
List of tables
Aim and objectives of the study
Statement of problem
Significance of the study
Limitation of the study
examination of contaminated water
Sources of river contamination
Standard uses of river
Analysis of sample collected sample inoculation and
Conclusion and recommendation
LIST OF TABLES
1. Sources of water contamination
2. Standard uses of river
3. Analysis of samples collected sampler inoculation and growth
4. Biochemical test
5. Isolated bacteria
1.1 BACKGROUND INFORMATION
Natural water whether surface
ground water, river, ocean or lakes contains variety of micro-organisms. The sanitary quality of drinking water is
affected by both variety and number of micro-organisms. The sanitary quality of drinking water is
affected by both Variety and number of micro-organisms available.
River is fit for drinking if its does
not contain any micro-organism that are pathogenic to man. The WHO (1958) published the international
standard for drinking water, in it water for consumption should be free from
According to Howel (1994). He defined bacterial gience examination of
river as the process of identification of bacteria organisms in the river. The bacteria organisms are pathogenic to man
when they drink it. Some of the causative
agents are singella dysenterae, vibro cholera, Salmonella Typhi, , Salmonella
AND OBJECTIVES OF THE STUDY
The aim of the study is to examine the
micro-organisms in Idodo river. The
specific objectives of the study are:
To identify the micro-organisms in the river.
To isolate the pathogenic organisms in the river.
people that are using contaminated water are prone to different kinds of
diseases. The diseases they
suffered most are: dysentery, cholera, typhoid and paratyphoid. Etc.
idodo river is likely to be contaminated at one time or the other due to
human activities like washing, stooling, swimming etc. These activities are
possible sources of pathogenic organisms when water or river is polluted it is
no longer useful for human consumption and other domestic uses. Polluted river therefore is source of various
kinds of health hazard.
river contains pathogenic micro-organisms.
river do not contain pathogenic
OF THE STUDY
of micro-organisms from river sensitizing people on the beset way to dispose
wastes so as to avoid communicable diseases that are caused by pathogenic
sure that, the river is suitable for whatever it is selected for, like domestic
use, cooking and washing.
OF THE STUDY
Idodo river in Enugu
metropolism is chosen for this work due to time constraint and financial
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