GRAF Australia

Stormwater Solutions

Control every drop that leaves site.

Modular EcoBloc detention, infiltration and treatment - engineered for Australian WSUD compliance from backyard lots to civil subdivisions.

Civil & commercial stormwater - WSUD detention and treatment

3P Hydroshark sedimentation plant

3P Hydroshark sedimentation plant

Manufacturer product photography with system steps listed alongside

Also in this system

System steps

Stormwater treatment train

Civil runoff is treated through 3P Hydroshark sedimentation, then managed with GRAF EcoBloc detention, infiltration or controlled discharge.

  1. 1Roof, pavement and civil catchment - runoff from impervious site areas
  2. 23P Hydroshark - sedimentation and filtration at the treatment inlet
  3. 3GRAF EcoBloc Inspect modular cells - underground detention, infiltration or retention
  4. 4Treated flow to council-approved discharge point or soakaway infiltration

Shop by system

Stormwater management, modular

Product catalogue

Stormwater products

Browse the full EcoBloc and stormwater range with live SKU resolution, technical downloads and variation picker.

Browse stormwater products

Size your detention system

Tell us your site area, impervious coverage and council requirements - we'll recommend the right EcoBloc configuration.

Request a quote