Impact of Domestic Waste Disposal on The Environment in The Coastal Area of Mangunharjo Urban Village, Semarang City

Abstract

Mangunharjo Beach located in Tugu District, Semarang City, is an ecologically and economically significant coastal area that supports local livelihoods through fishing, tourism, and related industries. However, rapid urban and industrial growth has led to severe pollution that threatens its sustainability. This qualitative study conducted in February 2023 by direct observation and a literature review, aims to provide an initial report on the current state of pollution at the beach focusing on domestic, industrial, and oil contamination. Observations revealed significant accumulations of plastic and styrofoam debris, including food and detergent containers, along with visible traces of oil and industrial effluent. These pollutants reduce water and sediment quality, endanger marine biota, and negatively impact local socioeconomic activities, especially fisheries and tourism. The findings are consistent with similar studies across other coastal regions in Indonesia, indicating a widespread pollution issue that requires immediate attention. Implementing sustainable waste management strategies — including the 3R concept (Reduce, Reuse, Recycle), public awareness campaigns, and stronger policy enforcement — is vital for mitigating pollution, preserving marine ecosystems, and ensuring the long-term sustainability of Mangunharjo Beach and its surrounding communities.