Toronto has witnessed an unprecedented surge in rainfall in recent years, from the August 2018 downpour to more recent torrential rains. The resulting floods in city streets, basements, and even the cherished Toronto Islands have become all too familiar. This rise in flooding incidents has prompted many to rethink their property choices, considering the increased importance of flood risk, given climate change predictions. Weather experts forecast that by 2050, Ontario’s average temperature will increase by two degrees, leading to more frequent and intense rainfall. In fact, we may soon experience as much as 166 millimeters of rain in a single day, rivaling the historic GTA storm, Hurricane Hazel from 1954.
As rainfall continues to intensify and become more frequent, it’s becoming evident that Toronto’s current stormwater infrastructure is struggling to cope. This raises the risk of flooding in your home. But what exactly happens during a basement flood, and how can you safeguard your property?
While a small amount of water might appear harmless, the truth is far from it. Much of Toronto’s stormwater infrastructure is combined with sewage systems that eventually lead to water treatment plants. During rainy periods, this water is designed to flow into city lakes, rivers, and streams. Unfortunately, when these bodies of water overflow, they flood sidewalks, roads, and, inevitably, people’s basements. This water is far from clean and can cause extensive damage.
If you’re searching for a new home, you might be wondering which neighborhoods are more susceptible to flooding. As a general rule, it’s wise to steer clear of areas close to bodies of water, including Lake Ontario, local rivers, and streams. These areas are at risk of flooding when bodies of water overflow after heavy rains. Additionally, older neighborhoods tend to have outdated stormwater systems, making them more vulnerable to flooding. In contrast, newly developed areas often have updated water management systems better equipped to handle heavy rainfall.
Unfortunately, many municipalities have not updated their floodplain maps, making it challenging to determine the best and worst areas for flooding. This is due to a lack of funding for monitoring water systems in many regions. Therefore, homebuyers must rely on thorough research and guidance from real estate agents to make informed decisions. Neighborhoods with a history of flooding include Rockcliffe-Smythe, Bedford Park, and areas around Lake Ontario.
If you’re in the market for a new home, thoroughly research Toronto neighborhoods to assess their flood history. Consult your real estate agent and don’t hesitate to inquire with sellers about a property’s flooding history. Neighbors can also provide valuable insights.
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