Section 540.491 - Dam owner or operator liability(1) Compliance with ORS 540.443 to 540.491 does not relieve the owner or operator of a dam or an individual in immediate charge of a dam from any duty, obligation or liability regarding the ownership, maintenance or operation of the dam.(2) Water Resources Department actions and services under ORS 540.443 to 540.491 do not relieve the owner or operator of a dam or an individual in immediate charge of a dam from any duty, obligation or liability regarding the ownership, maintenance or operation of the dam.