We Know Water Quality Improvement

Proudly made in Brisbane for our customers across Australia.

For nearly 100 years Rocla has been supplying and manufacturing a comprehensive range of Stormwater Quality Improvement Devices (SQID) and solutions to the building and construction industry.

Our range includes world leading technology for achieving Water Sensitive Urban Design (WSUD) outcomes:

  • Primary and secondary treatments, gorss pollutant traps
  • Heavy metal and nutrient removal
  • Water flow control
  • Storage for On-Site Detention (OSD) and Retention (re-use).
  • With a team of industry experts, we strive to deliver outstanding results for our clients, and work with project consultants from across residential land development, to commercial & industrial building and civil infrastructure.


Our Products


Primary Treatments

Our Gross Pollutant Traps (GPT’s) are the best performing on the market and can be customised for complex projects – including submergence due to variable tail-water conditions.

CDS® Gross Pollutant Traps
CleansAll ® Gross Pollutant Traps


Secondary Treatments

Rocla works with our International Technology partners to provide a range of world class oil & sediment removal and spill prevention technologies.

FDHC® Oil & sediment traps
ecoSep® Oil & water separators
ecoStop® Spill control



Rocla’s unique and innovative devices for filtration and nutrient removal are in a class of their own either enhancing the performance of engineered landscapes or providing an alternative for small scale developments. 

Mentone grammar school
Up-Flo™ Filter


Water Storage

Rocla’s range of water storage or detention products provides solutions for any size, depth, footprint and water quality project needs.

Concrete on-site stormwater detention systems
ecoRain® rainwater utilisation system


Flow Control

Our flow control products are cost effective stormwater management solutions

Water Level Controller


Free Product Application Design Service (P.A.D)

Do you need help incorporating your product into the design?

We offer a complimentary product design service to assist you with your projects if required. Our experienced team of Product Design Engineers, Hydraulic Engineers and Drafters specialise in creating customised solutions for our range of stormwater products and will work closely with you right from concept design phase through to the finished installation to help you get your designs right for your project.

Find out more about P.A.D.  here >