ABSTRACT Peat water contains high levels of dissolved organic matter (DOM). DOM can be classified into four fractions, which are strongly hydrophobic (HPOA), weakly hydrophobic (TPH), charged hydrophilic (HPIC), and neutral hydrophilic (HPIN). These fractions can cause the formation of disinfection by-products (DBPs) such as THM and HAA, so treatment is need to make it suitable for daily use. …