Is a Quinte West address in a regulated flood area, and whose map says so?

Lower Trent Conservation's watershed region takes in the lowest section of the Trent River, which reaches the Bay of Quinte at Trenton, and smaller watercourses flowing into the Bay and Lake Ontario from Grafton to Quinte West; Quinte West appoints two of its ten board members. Its Map Viewer screens whether a property is affected by Ontario Regulation 41/24, and the authority says not all regulated features are mapped, steep slopes for one, so the viewer is a first step; its Property Inquiry Service gives owners, buyers and their agents written comments on whether a property is likely to be affected. Quinte Conservation's watershed also reaches into the city: the City of Quinte West is among the 18 municipalities that appoint its Executive Board, and its Property Regulation Map shows whether a property is within its regulated area.

Lower Trent says it is the applicant's responsibility to obtain every other approval, the City's included, and Quinte Conservation says its permit does not override any other permit requirement, federal, provincial or municipal. The City's zoning also bars additional residential units from a floodplain. A regulated-area result governs permits; it is not a forecast that a home will flood, and a home outside the mapped area can still take water through a basement. Under the Conservation Authorities Act as amended in 2026, Lower Trent Conservation and Quinte Conservation are to join the Eastern Lake Ontario Regional Conservation Authority on 1 February 2027 or a later date set by regulation.

• Lower Trent Conservation: map viewer: the authority's map of its regulated area and its limits
• Lower Trent Conservation: property inquiries: written comments on a property for owners and buyers
• Lower Trent Conservation: links to other agencies: other approvals, the City of Quinte West's included
• Lower Trent Conservation: board of directors: the seven member municipalities, with two members from Quinte West
• Quinte Conservation: property regulation map: the authority's interactive map of its regulated area
• Quinte Conservation: building on your property: what needs the authority's permit, and the municipal permits it doesn't replace
• Quinte Conservation: governance: the 18 municipalities on its Executive Board, the City of Quinte West among them
• Lower Trent Conservation: ELORCA transition: the seven authorities joining the Eastern Lake Ontario Regional Conservation Authority
• Zoning By-law 14-86, consolidated to By-law 26-009: section 4.2.7, no additional units in a floodplain (PDF)
• Bill 97, Plan to Protect Ontario Act (Budget Measures), 2026: Schedule 3 amends the Conservation Authorities Act; the transition date is 1 February 2027 or a later date set by regulation
• Regional conservation authority boundaries (ERO 025-1257): the Province's decision of 10 March 2026 on which authority joins which of the nine regional authorities
• Ontario Regulation 41/24: Prohibited Activities, Exemptions and Permits, the regulation behind every conservation authority's regulated area

Conservation-authority regulated-area and flood plain checks are not currently included in our reports, so for a Quinte West home the authority's own maps is the place to look. The full report's water and flooding group does cover past floods seen by satellite, nearby creeks, rivers and ponds, and mapped wetlands for any Quinte West address.

What we cover, city by city See the sample report