Oct 27, 2026
When heavy rain inundated St. Catharines, Ontario, this summer, Rich Battel watched raw sewage push up through his basement floor drain and shower simultaneously. By the time it finally subsided, he had six to eight inches of it on the floor.
Battel had sewer backup coverage with a $50,000 limit, the kind of protection many homeowners assume will make them whole after a flood. Then came the estimate for two days of cleanup: $27,000, which was more than half his coverage, gone before a single wall went back up.
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While his claim eventually worked out, his experience exposed a gap plenty of Canadian homeowners don’t notice until it’s too late: your sewer backup limit may have to pay for both the mess and the rebuild.
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How did a two-day cleanup get quoted at $27,000?
Battel told CTV News that his insurer, the Canadian Automobile Association (CAA), referred him to a restoration company, ServiceMaster Canada, which, over two days, deployed a crew of six to pump out the sewage, tear out drywall and carpet and set up drying equipment.
“I was floored,” Battel said of the price.
So why would two days be so costly? Daniel Loosemore, ServiceMaster Canada’s chief of sales operations, told CTV News that the $27,000 was an initial estimate made after assessing the damage. The total was later revised down to $20,000. Loosemore noted that sewage cleanup is pricier because it carries both biohazard and health risks, requiring specialized training and equipment to be performed properly. He also said the pricing is in line with industry standards and is reviewed by insurers who ultimately foot part or all of the bill.
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Why the limit matters more than the cleanup bill
Here’s where the real financial risk sits. Battel said that once cleanup was paid from his $50,000 limit, he’d be left with roughly $23,000 to restore the rest of his basement. The three contractor quotes he received came in at $68,000, $74,000 and $120,000.
The lowest bid he received was still $18,000 more than his entire policy limit, before a dollar went to cleanup.
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In a statement, CAA told CTV News the preliminary estimate Battel shared hadn’t yet been verified or reviewed, and confirmed he is receiving the full policy limit on his claim. Battel said the insurer agreed to cover the cleanup while also paying the full $50,000 toward restoration.
That resolution came after weeks of back-and-forth between Battel and CAA — but it doesn’t change the underlying math: every rebuild quote still exceeded $50,000.
What does sewer backup insurance actually cover?
This isn’t a one-off situation. Extreme weather events such as floods, wildfires and storms caused more than $3.7 billion in insured losses across Canada this summer — the third-costliest on record. That’s according to estimates released by the Insurance Bureau of Canada (IBC), the national association representing Canada’s private home, auto and business insurers.
In the aftermath of property damage caused by catastrophic weather events, many homeowners may be surprised to discover what a standard policy leaves out. IBC’s guidance for Niagara-area residents like Battel notes that basement damage from a sewer backup is covered only if an insured has purchased optional sewer backup coverage, and that limits may apply.
Overland flooding, which is when rivers or other bodies of water spill onto dry land, is a separate add-on. Groundwater and seepage coverage typically isn’t standard either.
That is to say, a single flooded basement can involve two or three separate coverages, each with its own limit, or none at all.
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What to do now
A few phone calls before the next superstorm can reveal whether you’re carrying a gap your insurance won’t cover:
- Ask your insurer or broker for your sewer backup limit in dollars, and whether cleanup and restoration both come from that same amount
- Get a rough contractor estimate for rebuilding your finished basement and compare it with your limit
- Confirm whether you have overland flood and groundwater coverage, and what each pays out if activated
- After a flood, follow IBC’s claim advice: photograph the damage, keep detailed notes and save every cleanup receipt
- Ask for an itemized estimate from a contractor and have your adjuster review it before agreeing
- Install a backwater valve, and check whether you’re eligible for a local rebate first
On that last point, many Ontario municipalities will help homeowners pay for preventative devices. The St. Catharines Emergency Flood Alleviation Program reimburses 90% of eligible costs, to a maximum of $5,000, for backwater valves and related work on homes built before 2012.
If your claim stalls, begin with your insurer’s internal complaint process. If you’re still dissatisfied, reach out to the General Insurance OmbudService (GIO) — an independent organization that helps resolve home, auto and business insurance disputes free of charge.
Battel’s situation reveals the difference between having coverage and having enough of it, and the best time to find out which one you have is on a dry day. As IBC’s Amanda Dean said after flooding in Cape Breton this year, “insurance alone can’t solve Canada’s flood problem.”
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Writer and editor based in Toronto with experience in personal finance, insurance, arts and culture and branded content.
