Okla. Stat. tit. 11, § 11-36-407: Additional improvements on widened streets - Surface

waters, etc. - Assessment.

The governing body may grade, pave, macadamize, chat, gravel,

and install necessary manholes, catch basins, inlets, drainage pipe

and sewers with necessary connections therefor, for the purpose of

adequately disposing of the surface water falling upon any street,

alley, boulevard, park or public square which is being improved

pursuant to this subarticle. In proceeding with such work of

improvement, the governing body may contract therefor, levy and

collect special assessments, and provide for the issuance and

payment of bonds, or tax bills, to pay for the improvements, in

accordance with the provisions of existing law or charter. The area

benefited by reason of the construction of the improvements shall be

those lots, pieces and parcels of land abutting and adjacent to the

improvement, as described in the written statement of the engineer

as benefiting by reason of acquiring, opening, extending, widening

or straightening the street, alley, boulevard, avenue, park or

public square, and as confirmed by the governing body. Protests and

assessments shall be made in the manner provided in Sections 36-403

through 36-406 of this title.