Juandi M. Quantitative Model of Ground Water Sustainability In Pekanbaru Riau Province Using Numerical Analysis. Supervised by Prof. DR. Adrianto Ahmad, MT, DR. Muhammad Edisar, MT, DR. Syamsudhuha, MSc. Based on the aspects of space enacted significant changes in land use in the city of Pekanbaru, it increases and decrease area of plantations and forests. This situation that, continues with i…