When You Need Them Most!

They can. Parts of Ottawa are built on sensitive marine clay, which can shrink or shift as moisture levels change. That movement may place stress on buried sewer and water lines, especially where piping is older, poorly supported, or already weakened. If a home develops recurring drainage problems, unexplained sewer odours, or wet areas in the yard, the underground line may need to be inspected rather than repeatedly cleared.

Older neighbourhoods such as Centretown, the Glebe, Westboro, Hintonburg and Old Ottawa South often contain homes that have been renovated or expanded over several decades. That can leave a mixture of old and newer plumbing materials within the same property. During repairs, we may find older shutoff valves, aging drain assemblies, narrow waste lines, or plumbing that was altered during a previous renovation. The actual condition of the system matters more than the age of the neighbourhood alone.

Some older parts of Ottawa are served by combined sewer infrastructure, where stormwater and wastewater travel through the same system. During significant rainfall, those systems can experience much heavier flow than normal. Homeowners should make sure floor drains, sump systems and backwater valves are functioning properly rather than waiting until water appears in the basement.

Often, yes. Newer suburban homes in Barrhaven, Kanata and Stittsville may have more modern supply and drainage materials, but they can still experience builder-installed fixture failures, leaking toilet seals, faulty shutoff valves, sump pump issues and improperly configured under-sink drainage. Older central Ottawa homes are more likely to involve aging materials or several generations of renovations. Every home still needs to be assessed individually.

In neighbourhoods such as Bells Corners, Leslie Park and Centrepointe, bathroom flooring may have been replaced without correcting the height or condition of the original toilet flange. If the flange sits too low, is cracked, or is not firmly secured, the toilet can rock and eventually compromise the wax seal. Replacing the seal alone may not solve the problem if the flange underneath is damaged.

Mature neighbourhoods such as Westboro, Alta Vista, the Glebe and Old Ottawa South often have large established trees. Roots do not normally break through a sound sewer pipe, but they can enter through existing cracks, separated joints or deteriorated sections. Once inside, they may collect debris and contribute to repeated blockages. A camera inspection is usually the best way to determine whether roots are involved.

In older homes, the piping beneath the sink may have been modified several times during kitchen renovations. We sometimes find unnecessary bends, poor slope, loose connections or assemblies that hold water and debris. In those situations, clearing the blockage may only provide temporary relief. Reconfiguring the under-sink drain can improve flow and reduce the chance of recurring leaks or clogs.

Yes. Ottawa’s winter temperatures can expose vulnerable pipes in exterior walls, garages, crawlspaces and poorly insulated additions. End-unit townhomes may have more exterior wall exposure, while older detached homes may contain plumbing routed through areas that were never designed for modern insulation standards. Pipes that have frozen once should be inspected for placement, air leakage and insulation issues before the next winter.

That depends on the property, drainage design and basement history. Homes with finished basements, low fixtures or previous sewer-backup concerns may benefit from additional protection, but a backwater valve and sump pump perform different jobs. A plumber should first confirm how the home’s sanitary, foundation and storm drainage systems are configured. Ottawa’s wastewater network includes sanitary, storm and combined infrastructure, so the right recommendation varies by property.

Poor grading or uncontrolled runoff can allow excess water to collect near the foundation and place more demand on foundation drainage and sump systems. Ottawa regulates site alteration partly to prevent drainage problems and impacts on neighbouring properties. Downspouts, grading and sump discharge should direct water safely away without creating a new drainage issue elsewhere.