Regulated pollutants range from acenaphthene to zinc, with maximum allowed contamination levels in discharge water (wastewater) varying by industry.

But even there, the offshore discharge water outlet requires very careful design to avoid environmental problems.

It can discharge water at a rate of 3600 m3 per second.

The dam's service spillway contains two wide gates that discharge water into two and long chutes.

The dam has four different ways to discharge water downstream.