Oregon Revised Statutes Property Rights and Transactions § 90.228

(1) As used in this section, “100-year flood plain” means the level that flood waters may be expected to equal or exceed once each 100 years, as determined by the National Flood Insurance Program of the Federal Emergency Management Agency.

(2) If a dwelling unit is located in a 100-year flood plain, the landlord shall provide notice in the dwelling unit rental agreement that the dwelling unit is located within the flood plain.

(3) If a landlord fails to provide a notice required under this section, and the tenant of the dwelling unit suffers an uninsured loss due to flooding, the tenant may recover from the landlord the lesser of the actual damages for the uninsured loss or two months' rent.