[[File:Screenshot 2025-09-10 112659.png|400px|thumb|right|TRCA’s regulatory flood plain map (TRCA, 2025)<ref>TRCA. 2025. TRCA Flood Plain Map. https://trca.ca/conservation/flood-risk-management/flood-plain-map-viewer/#use-now</ref>. As directed by the Province, the regulatory flood event standard applicable within TRCA’s jurisdiction is the greater of Hurricane Hazel or | [[File:Screenshot 2025-09-10 112659.png|400px|thumb|right|TRCA’s regulatory flood plain map (TRCA, 2025)<ref>TRCA. 2025. TRCA Flood Plain Map. https://trca.ca/conservation/flood-risk-management/flood-plain-map-viewer/#use-now</ref>. As directed by the Province, the regulatory flood event standard applicable within TRCA’s jurisdiction is the greater of Hurricane Hazel or |