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8 contractors listed, 5 verified. Owner-confirmed and verified listings are shown first. Every listing names its source and when we last checked it.
Nanaimo
Well water testing, UV disinfection, softeners, reverse osmosis and filtration from Nanaimo, serving Victoria to Campbell River.
Source: Business website (Oct 2026)
Qualicum Beach
Well water treatment, softeners, well pumps, cisterns and water testing on central Vancouver Island since 2009.
Source: Business website (Oct 2026)
Courtenay
Comox Valley plumbers installing UV systems, softeners and filtration for well water, Courtenay to Campbell River.
Source: Business website (Oct 2026)
Duncan
Duncan plumbers with well testing, water treatment, filtration, pump and cistern service across the Cowichan Valley.
Source: Business website (Oct 2026)
Shawnigan Lake
Well pumps, water treatment (softeners, UV, RO, filtration) and water testing for the south Island and Gulf Islands; 40+ years.
Source: Business website (Oct 2026)
Water treatment dealer in Duncan: whole-house filtration, softeners and water testing.
Victoria
Water treatment for city and well water: iron and manganese removal, UV, softeners, RO and water testing. Victoria office.
Source: Business website (Oct 2026)
Parksville
Water well drilling, pump installation and repair, well testing and water treatment on Vancouver Island since 1986.
Sources: BC Ground Water Association (Oct 2026) · Business website (Oct 2026) · Water treatment page (Oct 2026)
Unverified listings come from public sources and haven't been checked by us yet. Contact details can change, so confirm licensing and insurance before you hire.