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Background and Objectives: Guilan province, with unique
environmental values of the Caspian Sea is located in
the southwest of Caspian Sea. Disposal of
untreated domestic sewage, industrial and agricultural surface water cause
pollution of the Caspian Sea region and
endanger the health of swimmers. This study performed to determine the
microbial contamination of coastal water in Guilan.
Materials and Methods: In this work, 21 sampling point
in the Caspian Sea littoral provinces of
Guilan were selected and microbial contaminations were assessed using microbial indicators of fecal and total
coliform. Parameters such as pH, temperature, and turbidity also monitored
during the year. In this study, 122 samples were taken and then analyzed by
statistical software.
Results: The results showed that the average values of total
coliform and fecal coliform were 234.8 and
60 MPN per 100 ml, respectively. The fecal pollution appeared to be high
in some stations. Also significant relationship between temperature, turbidity
and microbial contamination was observed (P< 0.05).
Conclusion: The results revealed high total coliform in the two
stations. The average fecal coliform of six stations were higher than the local
standards.
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