Trend Analysis and Prediction on Water Consumption in Southwestern Ethiopia

This study intensively examined the monthly water consumption forecasting performance using advanced time series (ARIMA) models. Thus, this intends to identify appropriate ARIMA models best fit data in Southwestern Ethiopia Tepi town and forecast effectively city. The used for was from January 2016 December 2021.The were converted returns enhance their statistical properties a mean equation. average Town is 77227.8 meters cubic. Both original transformed show trend of increasing over time. Several fitted data, it emerged that most adequate model (1, 1, 1) based on selection criterion. parameters estimated Ordinary Least Squares Estimation (OLS) method. next ten months advise Water Company Limited city meet demand people. Conclusion. September.