Evaluation of Coliform pollution in the Kor River of Fars province

Kor is a river in Fars province, Iran and its paths crossing agricultural areas, cities and villages collects pollutants. The aim of this study was to evaluate the microbial quality of Kor River and microbial indicators such as total and fecal coliforms. In this survey, in order to study the Coliform pollution of Kor River, three layers from surface, intermediate and sediment were sampled in three stations (from downstream to up river Band Amir, Pol Khan and Hossein Abad respectively,).Sampling was done monthly during 9 months. From March 2004 to November 2004. The pollution by standard diagnosis of Coliform was completely examined. The results showed that the most pollution was found in surface layer of river. Besides, the highest Coliform count was seen in September. Maximum and minimum of total coliforms and fecal coliforms in surface water was observed in Ban Amir and Pol Khan (16000 /100ml and 16000 / ml) and Hossein Abad (60/100ml and (50/100ml) respectively. The results showed none pollution up dorodzan dam and intense pollution in downstream of it in difference months, The results showed that using total and fecal coliforms indicators are economy and quick method for good assessment of pollution specifically have strictly in seasons polluted.