MPN (Most Probable Number)

Most Probable Number (MPN) is a statistical method used in water quality testing to estimate the concentration of bacteria, particularly coliforms, in a water sample. It is commonly used in drinking water, wastewater, and recreational water testing to assess potential contamination and compliance with safety standards. The MPN method involves inoculating a series of test tubes with different volumes of water and observing bacterial growth. The results help determine whether the water is safe for consumption or if further treatment is necessary. Regular monitoring and testing using the MPN method are essential for ensuring public health and water safety.