Community-based water reuse infrastructure (Indonesia)

In 2020, the Citarum River had a water quality index of 55 points, signalling Mild Pollution. This is concerning as the river is a vital water source for various regions. Bandung, a contributor to Citarum’s pollution, is actively working to reduce pollutant loads in its tributaries. Notably, 53% of Pasirluyu Village residents practiced open defecation. In late 2021, the West Java Government, in collaboration with PT SCG through the Citarum Harum Program, developed community-based infrastructure in Pasirluyu Village, such as MCK/Water Reuse Communal Toilets. However, data from 2021 indicates that the state of community-based sanitation infrastructure in Indonesia is alarming, necessitating efforts to ensure sustainability, moreover in systems with wastewater recycling. This study aims to identify factors determining the sustainability of water reuse infrastructure. The methodology comprises three components: Focus Group Discussions to pinpoint these factors, expert analysis with a pairwise comparison approach, and analysis from the perspective of community stakeholders, using a Structural Equation Model approach. Results reveal that Institution is the primary factor, with a priority vector of 0.27, as per non-user stakeholders. User stakeholders prioritize technology, with a path coefficient of 0.351. Finance ranks as the second key factor from both perspectives. Successful infrastructure sustainability hinges on proactive management, community engagement, and involving various stakeholders to support the continuity of Water Reuse Infrastructure in Kelurahan Pasirluyu.