Objective- Dams in Selangor before, is located far from the urban area without any interference from human activity. But over the time, the dam now approached by municipal area with the threat. The objective of this study is to look at the influence of human activities at the seven major dams in the State of Selangor, Peninsular Malaysia, to fill the reverse interaction theory between dam, human and environment in the context of human impact to the dams. By answering the one research question, Interference Issues and Conflict Activities in Dam Water Catchment Area in Selangor.

Methodology/Technique -With qualitative research technic, involved Field Study, Map Analysis, Document Review and Interview Session.

Findings - The result shows there have an influence on human activities in the dam area such as illegal dumping, illegal stall, and recreation activities that comes from the urban population surrounding the dam area.

Novelty - Location of the dam within the urban area are not the main cause of interference to the dam area, but the availability of public accesses and land use conflict at the dams water catchment area, become a main factor of issues and problems of interference in the dam area in Selangor.

Type of Paper Conceptual

Keywords: , Interference Issues, Conflict of Activities, Sustainable Dam Management System, Selangor, Malaysia.