Effects of land use on the number of coliform bacteria in boyong river, sleman

Abstract Watershed management is important, especially to water management. River pollution in the upstream has an impact on quality midstream and downstream. Boyong part of Code which three dominant land uses. Land use activities cause faecal from animals or humans waste river bodies. This can presence coliform bacteria rivers, both Total Coliform (TC) Fecal (FC). study aims determine effect number TC FC River. The focused uses, mixed-use gardens, irrigated fields, settlements. Sampling was carried out during dry season rainy season, using a purposive sampling method. Based laboratory tests with Most Probable Number (MPN) method, ranged <1,8 – 350.000 MPN/100mL 79.000 MPN/100mL. Third contributes pollution. Settlements have highest changing. During tends be higher than season. Almost all sample points exceed allotment standard.