In the life of human. Water is a critical factor in modern Thailand. Industrial sector is many expanding sample a paint manufacturing plant oil and plant plating, which industry they are often discharge wastewater contribute to the contamination. heavy metals are not biodegradable sometimes wastewater contaminated with heavy metals exceeding the World Health Organization. (Ministry of Science Technology and Environment, 2539) Defined and tend to cause higher accumulation in aquatic environment. And other ecosystems, especially with human. When the heavy metals in the body, causing many diseases. Such as cancer of the gut, liver cancer, Hodgkin's disease.