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Basement flooding and sewer backup in Victoria

Plumbers for backwater valves, sump pumps and drains.

21 pros in Victoria

In Victoria, the thing that ties basement flooding to the power grid is the wind. In the December 2025 windstorm about 90,000 BC Hydro customers lost power, and Victoria was named among the hardest-hit areas. BC Hydro also said trees and branches were more vulnerable after several years of drought. A sump pump only works while it has power, so an outage during a storm is exactly when a basement is at risk. The Insurance Bureau of Canada recommends installing a sump pump with a battery backup, along with a backwater valve as recommended by your municipality. When you hire, ask whether the pump you are quoted includes a battery backup and how long it can run. Ask who will confirm what your municipality expects for a backwater valve, and whether a permit is needed for the work. Ask for the scope in writing, including where the pump discharges. Also check your policy: sewer backup is covered only with specific optional coverage.

Source: Victoria News (source, opens in a new tab)

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What to know in Victoria

  • BC Hydro's report on the December 20 windstorm says more than 750,000 customers lost power, and nearly 350,000 (about 80 per cent of customers) were on Vancouver Island and the Gulf Islands. It also notes the 2006 windstorm hit Vancouver Island.

    BC Hydro (source, opens in a new tab)

Before you hire

  1. Ask which permits the job needs and who will get them; your municipal building department can tell you before work starts.

    Source: ised-isde.canada.ca (source, opens in a new tab)

  2. Get written quotes from at least three contractors for the same work, and check references from recent clients.

    Source: ised-isde.canada.ca (source, opens in a new tab)

  3. Put it in a written contract: the work, price, deposit, start and finish dates, warranty, permits and clean-up. Paying cash to skip it leaves you no recourse.

    Source: ised-isde.canada.ca (source, opens in a new tab)

Questions about hiring in Victoria

Why should a sump pump in Victoria have a battery backup?

Storms can cut power at the moment water is rising. In the December 2025 windstorm about 90,000 BC Hydro customers lost power, and Victoria was among the hardest-hit areas. A pump with no backup stops when the grid does, so ask any installer what backup is included. Victoria News (source, opens in a new tab)

Does my home insurance cover a sewer backup in the basement?

Only if you bought specific optional sewer backup coverage, according to the Insurance Bureau of Canada. Groundwater and seepage coverage are typically not standard on home policies. Read your policy or ask your insurer before deciding how much protection work to do and what to budget for. Insurance Bureau of Canada (source, opens in a new tab)

What should a quote for a backwater valve or sump pump include?

Ask for a written scope that names the equipment, where it goes, and where the water discharges. It should say who handles any permit, what is covered by a warranty, and what happens if the work uncovers other problems. Compare quotes line by line, not just the totals.

Should I check with the municipality before installing a backwater valve?

Yes. The Insurance Bureau of Canada advises installing a backwater valve as recommended by your municipality, so confirm what your local rules expect and whether a permit applies. Ask the installer whether they pull the permit and how the work will be inspected before you agree to it. Insurance Bureau of Canada (source, opens in a new tab)

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