Renting to tenant in flood zone

[Anja Brey]

Hi all, 

We are thinking of buying a 2 story victorian at the edge of a flood zone. The house will require us to get flood insurance as the owners. We want to rent out the ground studio unit to tenants and were wondering whether we should disclose the flood area zoning to the tenants and require them to have flood insurance, which might make it hard to find tenants as it increases their living costs. 
Any input and thoughts are appreciated. 

Thanks, 

Anja