Quebec warns that new mapping could place triple the number of homes in flood zones.: Quebec-flood-zones-mapping
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By | June 11, 2024

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1. Quebec flood zone mapping
2. Quebec flood risk assessment
3. Quebec flood zone expansion

Quebec says 3 times more homes could be in flood zones under new mapping

The Quebec government is set to release new flood maps that will identify 55,000 more homes at risk of flooding, three times more than currently estimated. Environment Minister Benoit Charette emphasized the importance of updating flood zone mapping based on the latest scientific data. The new maps will categorize flood intensity into four levels, taking into account the frequency of floods and the impact of climate change. The new regulations will restrict construction in high-intensity flood zones, with a focus on increasing security and protecting both property and the environment. Public consultations with residents and municipalities are scheduled for this summer to discuss the new flood maps.

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Quebec officials recently announced that a new generation of flood maps could potentially put 55,000 more homes at risk of flooding in the province. This staggering increase, three times more than the current numbers, has prompted the government to establish a new regulatory framework to address the growing concerns related to flood zones.

The Environment Minister, Benoit Charette, emphasized the importance of updating the flood maps based on scientific data that reflects the current risk factors. He stated, “In certain places in Quebec, the flood zone mapping has not been updated in 30 years. We have to update our way of doing things based on science, and that is what we are proposing today.”

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The new flood maps, which are set to be produced in collaboration with municipalities, will introduce a more comprehensive approach to categorizing flood risk. Unlike the current system, which only divides areas into high-risk and low-risk zones based on flood recurrence, the new maps will include categories of “flood intensity” with four levels: very high, high, moderate, and low intensity. This updated classification will take into account the frequency of floods, their intensity, and the impacts of climate change.

One of the key highlights of the new regulations is the limitations on construction in flood-prone areas. While repair and renovation work may proceed in most areas, rebuilding severely damaged structures in very high-intensity flood zones will be restricted. Expansion in these high-risk areas will be limited to essential needs only, and new construction in flood-prone areas, even in low-intensity sectors, will not be permitted.

Municipalities will have the opportunity to mitigate risks by implementing flood protection structures such as dikes, which could potentially lead to a reclassification to a lower-intensity zone. The objective of the new framework is not to relocate residents at risk but to increase their security and protect their property, as well as the environment.

The release of the new flood maps will be followed by public consultations with residents and municipalities this summer. This inclusive approach aims to gather feedback and insights from those directly affected by the changes, ensuring that the regulatory framework reflects the needs and concerns of the community.

In conclusion, the updated flood maps and regulations represent a proactive step towards addressing the increasing risk of flooding in Quebec. By incorporating scientific data, community input, and a comprehensive approach to categorizing flood risk, the government is working towards enhancing the safety and security of residents while protecting the environment. Stay tuned for more updates on this important initiative.

Source: [CBC News](https://www.cbc.ca/news/canada/montreal/quebec-flood-risk-mapping-1.6829257)