Poona Dam - Algae in WaterHome » Algae Control Case Studies » Poona Dam – Algae in Water Poona Dam, Caloundra QLD SYSTEM USED: ES300 Poona Dam in Caloundra QLD is a 500 metre circular potable water reservoir which has a pontoon with two solar EnviroSonic ES300 units, on a 12 month trial to prove the effectiveness of EnviroSonic. Enquire online