Sustainability Analysis of Domestic Wastewater Management System in Gundik Village Using Net Present Value (NPV) and Benefit Cost Rasio (BCR) Methods

Tri Sunan Agung; Arseto Yekti Bagastyo

doi:10.55927/mudima.v5i4.128

Authors

Tri Sunan Agung Sepuluh Nopember Institute of Technology
Arseto Yekti Bagastyo Sepuluh Nopember Institute of Technology

DOI:

https://doi.org/10.55927/mudima.v5i4.128

Keywords:

Benefit Cost Analysis, Domestic Wastewater, Gundik Village, Net Present Value, SPALD-T

Abstract

The construction of the Centralized Domestic Wastewater Management System (SPALD-T) in Gundik Village realizes the goal of SDGs 2030 point 2 and RPJPN 2025-2045, namely 70% proper sanitation. After four years of operation since 2021, the sustainability of SPALD-T needs to be re-analyzed, especially in terms of the economy. Based on the KPP report and initial observations, there are indications that the economic cycle of this management system has not been running optimally. The method of sustainable economic analysis used the Net Present Value (NPV) and Benefit-Cost Ratio (BCR) methods. The results of the NPV analysis were IDR 25,930,265 (positive) and BCR was 1.22 (more than 1), the SPALD-T project was declared economically feasible and had the potential to provide sustainable benefits. SPALD-T is designed to operate for 20 years or more, providing benefits such as health cost efficiency, improving environmental quality, and strengthening the local economy. The domestic wastewater management system in Gundik Village encourages sustainable infrastructure development to create an independent and equitable society. The economic sustainability of SPALD-T can be a model for domestic waste management that supports sustainable development in Indonesia..

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