The Wang River issues. The Wang River, we found significant water quality problem is contamination of bacteria, coliform group all MPN/100 ml has 30000 values. Which exceeds the standards set by the standard is exceeding 5000 MPN/100 ml is prohibited but that Mae Chan has a value beyond standard assignment is considered with deteriorated condition. The section group local bacterial phenotypes coliform MPN/100 ml has a value of 8000, which exceeded the standard value defined by the standard is forbidden to exceed 10000 MPN/100ml: the Wang River exceeds standard summary of the Wang river water quality is generally to deterioration. But the problem is mainly caused by contamination of bacteria, coliform group of bacteria culture phenotypes and all coliform group.
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