Oregon Revised Statutes Water Resources: Irrigation, Drainage, Flood Control, Reclamation § 545.569

In fixing the proportionate part of the cost of reclamation that each owner of land shall pay, the amount to be paid to any owner for easements, rights of way, water rights or other property or rights required by the district shall be shown in a separate column and deducted from the amount that the owner would otherwise be required to pay. Assessments for the payment of the cost of reclamation and interest thereon shall be made accordingly.