Gross Pollutant Traps



Gross Pollutant Traps act like filters for stormwater. Pollution is captured before it enters waterways or other stormwater treatment systems.

These devices are designed to capture coarse sediment, trash and vegetation matter carried in the stormwater.

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Peak Flow Bypass / Customised sizing available
The StormTech arch system is an underground structural water storage system for rainwater harvesting, stormwater detention and infiltration. StormTech is... More

FLEXSTORM™ Filtration Basket for inlet protection
Peak Flow Bypass / Customised sizing available
The FLEXSTORM™ system is a configurable, adjustable filter frame suspension system with a high efficiency woven geotextile sediment bag. FLEXSTORM Inlet... More

Isolator Row
Peak Flow Bypass / Customised sizing available
The Isolator Row™ is a stormwater filtration zone that captures more than 96 per cent of total suspended solids (TSS). It can be designed as a... More

3 / 700mm / 930 / Varies to suit site / Peak Flow Bypass
The SPEL Filter is a cartridge filter system that incorporates an upflow treatment process, through a spiral wrapped media configuration that maximises surface treatment area

SPEL Hydrosystem
1 / 980 / 1955mm / 1955 / 0.5 / Peak Flow Bypass / Customised sizing available
A specialist stormwater filter, designed for installation within load bearing shafts and chambers of concrete or plastic construction. The pre fitted plastic housing is safe and easy to fit at any site.

SPEL Ecoceptor
The SPEL Ecoceptor™ is a secondary stormwater treatment device designed to target gross pollutants, coarse sediment, total suspended solids, total... More

SPEL StormSack
5 / 450mm / 1200 / 0.24 / Peak Flow Bypass / Customised sizing available
The SPEL StormSack is a specially designed gully pit insert to target sediment >200microns and gross pollutants. The SPEL StormSack can be customised to... More

SPEL Thirsty Duck
The SPEL Thirsty Duck® is a buoyant flow control device (BFD) designed to operate as a high-early discharge device in detention basins and tanks. The... More

SPEL Baffle Box
8 / 610mm / 3658 / 1220mm / 6906 / 0.89-33 / Peak Flow Bypass / Customised sizing available
The SPEL Bafflebox is a gross pollutant trap designed to treat the entire flow from the upstream pipe with minimal headloss resulting from the floating... More

SPEL Waterclean Floating Treatment Wetlands (FTW)
1 standard FTW matrix / 2435000mm / 2400 / 4000mm / 4000 / Peak Flow Bypass / Customised sizing available
SPEL Waterclean Floating Treatment wetlands (FTW) are an innovation of the traditional technology that hydroponically grows emergent macrophyte plant... More

ecoAID Underground Stormwater Management System
varies / 1160mm / 980mm / 3330 / 0.516m3 / Customised sizing available
ecoAID® is an underground modular stormwater management system used to detain, infiltrate or harvest stormwater run-off and also provides stormwater... More

Sedi Pipe L
Pollutants that are carried in stormwater runoff are mainly bound to very small particles. These particles can be removed from the water by sedimentation.... More

Sedi Substrator
600mm / 900mm / 1610 / Peak Flow Bypass / 600mm / Customised sizing available
SediSubstrator L is a stormwater treatment system for heavily polluted stormwater runoff, e.g. from trafficked areas. The system separates washed-up... More

Catch Basin Insert
Peak Flow Bypass / Customised sizing available
The UST Pty Ltd Catch Basin Insert (CBI) is an at source storm water filtration device, capturing the majority of wind and water carried contaminants... More

The Protector EnviroProtector is a specialist stormwater filter for heavily polluted traffic areas, designed for installation within new or existing... More

The EcoProtector is a hydrodynamic, full capture, high-capacity trash and debris removal GPT (Gross Pollutant Trap) with superior litter and organic debris... More

Ecosol Storm Pit (Class 2)
The  Ecosol Storm Pit (Class 2)  is a unique compact at-source or in-line secondary stormwater filtration system designed to carry out multiple... More

HumeGard® GPT
16 / 1800mm / 6500mm / 2300mm / 4500mm / 2m3 / 50m3 / Peak Flow Bypass / Customised sizing available
The HumeGard® GPT is a high-performing, University-designed and proven, treatment device capturing gross pollutants and coarse sediment from urban stormwater, even during bypass flows.

Ecosol Trash Rack
20 / 1200mm maximum module widths / Up to 1.7m3 per module / Peak Flow Bypass / Customised sizing available
Ecosol ’s innovative modular trash rack system provides essential pre-screening of stormwater flows. The product has been successfully incorporated... More

Ecosol Drop Trap
2 / 1500mm / 600mm / 1200mm / 0.380m3 – 1.5m3 / Peak Flow Bypass / Customised sizing available
The Ecosol Drop Trap is designed to provide essential pre-screening of stormwater flows by removing and retaining solid pollutants in stormwater flows on... More