Determining the Level of Bacteriological Pollution Level in Gelevera Creek, Giresun
Abstract
The aim of this study is to investigate the bacteriological pollution level of Gelevera Creek (Giresun). For this purpose, a total of 48 water samples was collected from 4 different stations between April 2017-March 2018 and bacteriological parameters were analyzed using the standard methods. Bacteriologically, total count of bacteria at 37°C from water and sediment samples, and count of total coliform bacteria (TC), fecal coliform bacteria (FC), fecal streptococci (FS), E. coli from surface water samples were determined.
The percentages for TC, FC and FS presence in surface water samples were 100%, 100%, 93,75% respectively. In addition, E. coli were determined in collected samples for almost all seasons. The levels of total coliform, fecal coliform and fecal streptococci exceeded the values recommended by World Health Organization (WHO) and values that are set according to Turkish standards. This issue is likely to cause serious and irreparable damage to the streamline.
As a result, it was determined that surface water samples collected from Gelevera Creek are bacteriological polluted. Hence in this study, regular monitoring and assessment by using appropriate methods to reduce the bacterial load in the Gelevera Creek Basin are recommended.
Keywords
Gelevera Creek , Bacteriological Pollution , Water Quality , E. coli
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