Gross Pollution Traps

Halgan Gross Pollutant Traps (GPT’S) are designed to meet the specified stormwater water quality objectives for surface water. Capturing litter, leaves and debris, and trapping suspended sediment and hydrocarbons. Additionally, Halgan GPT’s removes particulate bound nutrients as well as heavy metals and other pollutants that are particle-bound.

The GPT has a range of applications, including:

• Council work depots
• Bus and train stations
• Roadside drains
• Packaging warehouses
• Car parks Industrial sites
• Small subdivisions Pre-detention
• Pre-screening bio-retention systems