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Christchurch 1/50 & 1/200 yr flood

Kia ora, I am trying to find the data set for the 1/50 & 1/200 year flooding events for Chch. https://www.ccc.govt.nz/services/water-and-drainage/stormwater-and-drainage/flooding/floorlevelmap/ This data should be able to be added to Canterbury Maps website.

Needing to go to two different websites to find out the Technical Category of the land (https://mylandzone.canterburymaps.govt.nz/#/) and whether the land has any issues regarding flooding (https://www.ccc.govt.nz/services/water-and-drainage/stormwater-and-drainage/flooding/floorlevelmap/).

If it was on Canterbury Maps (The Technical Category is already on Canterbury Maps) then it would help first home buyers who need to meet certain criteria to be able to purchase a house with the help of a mortgage.

Being able to Overlay both the Technical Category overlay and the Flooding overlay in Canterbury Maps.

Ashley Crook


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