This paper presents an overview of municipal wastewater and sludge treatment methods. Procedure for determination of input wastewater loads has been described, as well as requirements that should be fulfilled to establish joint treatment of municipal and industrial waste-waters. An overview of the present state in municipal wastewater collection and treatment in the R. of Serbia is presented, as well as comparison of domestic regulations and practices with the standards applicable to the EU countries.U radu je dat pregled postupaka za prečišćavanje gradskih otpadnih voda i metoda za tretman izdvojenih muljeva. Takođe su prikazani načini određivanja ulaznih opterećenja otpadne vode kao i uslovi pod kojima se otpadne vode naselja mogu prečišćavati zajedno sa industrijskim otpadnim vodama. Dat je pregled stanja u oblasti sakupljanja i prečišćavanja komunalnih otpadnih voda u Republici Srbiji, kao i ocena usklađenosti domaće regulative i prakse sa standardima koji važe u EU
