THE ESTIMATION OF PARAMETER OF WATER CAPITATION , INCOME AND MAINTENANCE COSTS ABOUT SWEET WATER FROM 2010 TO 2025 (TABRIZ, IRAN)

The main purpose of this study is about estimation of parameter of cater capitation, income and maintenance costs about sweet water from 2010 to 2025 in Tabriz. For this intention, the information from 2010 to 2025 is used and we estimated parameter, from 2010 to 2025 using ARIMA models. The results show that the parameters are increased. Moreover in this study for identifying impressive parameter on water costs, is used from analyzing to main exploitation parameter in comparison with perish, produce and used water. So official exploitation to reduce of depreciation to reduce of depreciation costs and exploitation cost by using repair and correction Tabriz water for reducing produce costs and total water costs.