Characterization of Escherichia coli Isolated from the Water Supplies in Meshkin Shahr, Iran

Water is the most important potable material with the highest consumption rate. Therefore, because of the growing population, providing healthy water always has been one of the major concerns for most countries. Water contamination tests are carried out based on indicator microorganisms. E. coli is the most important indicator for the detection of water contamination. E. coli classified into