This stormwater unit is underground; it was a public municipality retrofit completed in 2005.

Rainwater Management Techniques Used

unit2 220x136 hhUnderground Cleansing

A concrete vault with aluminum swirl chamber, Vortechnics brand. The vault was built inline with underground storm drains and has an 80 hectare catchment area.

Cost & Funding

$500,000, equally shared between local, provincial and federal governments via an infrastructure grant.

Project Team

City of Victoria Storm Water Quality Officer, Water and Environment Engineering Section.


Fisherman's Wharf
Victoria, BC