Sardis Water Hardness & Quality Report (2026)

Sardis's drinking water is managed by the City of Chilliwack, drawing from the Vedder Mountain watershed reservoir — Sardis is the large southern suburban area of Chilliwack in the eastern Fraser Valley, a community of post-war and newer residential subdivisions stretching from the Chilliwack city core south to the base of the Vedder Mountain and the Cascade Mountains foothills, one of the fastest-growing communities in the Fraser Valley driven by its exceptional affordable housing values, proximity to the Chilliwack Mountain wilderness and the Vedder River sport fishing corridor, the largest community in the City of Chilliwack and the centre of the Chilliwack south residential and commercial growth belt. Water undergoes coagulation, sedimentation, filtration, UV disinfection, and chloramination, fully meeting the Guidelines for Canadian Drinking Water Quality (GCDWQ). Hardness measures 47 mg/L (2.7 gpg) — classified as soft by Health Canada, consistent with the Vedder Mountain Cascade foothills watershed supply.

Sardis draws from the Vedder Mountain watershed — the Vedder Mountain rises immediately south of Sardis as the outermost ridge of the Cascade Mountains in the Fraser Valley, draining Cretaceous granodiorite and late Cretaceous volcanic terrain with minimal carbonate content. At 47 mg/L, Sardis is harder than the southwest Abbotsford communities (22.5 mg/L) reflecting the slightly different Vedder Mountain watershed geology compared to the higher Cascade foothills sources above Abbotsford, but still firmly in the soft water range typical of BC Cascade mountain watersheds.

With 47 mg/L, Sardis homes are essentially scale-free — occasional cleaning every three months is adequate. Hot water tanks have an excellent operational lifespan. The City of Chilliwack provides water quality information at chilliwack.com. Health Canada lead precautionary guidance applies to pre-1975 properties in the established older Sardis residential neighbourhoods.