Burnaby Water Hardness & Quality Report (2026)

The City of Burnaby Water Utility supplies over 250,000 residents across 102 square kilometers in Metro Vancouver, British Columbia, Canada. Its water originates from three regional reservoirs: Seymour, Capilano, and Coquitlam, all managed by Metro Vancouver. Water is drawn into the Seymour-Capilano Filtration Plant and the Coquitlam Water Treatment Plant before being distributed throughout Burnaby's extensive piped network. The supply is sourced from the mountainous Seymour-Capilano and Alouette-Coquitlam watersheds, which encompass 145,000 hectares of protected forest land in the Pacific Ranges of the Coast Mountains.

Geologically, the bedrock is predominantly intrusive granitic plutons and metamorphic schists belonging to the Mesozoic Coast Belt. This is overlain by thin layers of glacial till and podzolic soils. Notably, the area lacks significant carbonate formations like limestone. Because of this, the water develops a very soft character. Rainfall and snowmelt rapidly infiltrate the fractured rock, resulting in low alkalinity and minimal mineral content. This geological makeup is responsible for the naturally pure surface water that requires only basic filtration.

Homeowners in Burnaby will notice that this soft water leaves no scale buildup, which spares appliances like water heaters and pipes from damaging limescale. Unlike regions with harder water supplies that can shorten appliance lifespans, Burnaby's water means dishes can air-dry spot-free. Soap lathers abundantly, making laundry and bathing more efficient, and cleaning requires less detergent. A water softener isn't necessary or recommended. Instead, if residents have concerns about potential corrosion in plumbing, they might consider pH-balanced materials like PEX or copper, possibly with inhibitors.