Metro Naga’s lush forests are the main sources of potable water in the area. The major water utility firm in the area, the Metro Naga Water District, gets its water mainly from the Mt. Isarog. Likewise, several mineral water bottling companies process water from this mountain.
Metro Naga’s water utility firms have a combined capacity of 1048.5 liters per second, while household demand is currently pegged at 465 liters per second. Spring and underground water reservoir are also tapped to supply the increasing demand for potable water by Metro Naga’s industries and increasing population.