Metropolitan Waterworks Authority

The Metropolitan Waterworks Authorityis a Thai state enterprise under the Ministry of Interior. Its mission is to produce, distribute, and sell treated water in Bangkok, Nonthaburi, and Samut Prakan, and engage in related businesses synergistic with waterworks.The MWA began operations on 16 August 1967 under the Metropolitan Waterworks Authority Act B.E. 2510 (1967) to serve potable water to Bangkok, Nonthaburi Province, and Samut Prakan Province.