The drained water and wastewater
activities of the power plant are treated by both physical and
biological processes after being released into the main
treatment system. The goal of this research was to determine
and compare the water quality and concentrations of some
heavy metals (As, Pb & Zn) in two water supply reservoirs
for the power plant, four ponds in wastewater treatment
system and a reservoir, which is the final drainage recipient
from the wastewater treatment system of the Mae Moh
power plant.