2017 ORS 549.710¹
Powers of counties with populations in excess of 50,000

In any county having a population in excess of 50,000, according to the latest federal decennial census, the county court or board of county commissioners may:

(1) Carry out surveys and plan and engage in projects relating to water conservation and flood control.

(2) Contract and cooperate with federal and state agencies, with other counties and with other public corporations in making surveys and planning and engaging in projects relating to water conservation and flood control.

(3) Provide lands and rights of way, operate and maintain flood control projects and do such other things as are necessary for county participation in federal flood control and water conservation projects.

(4) Remove or destroy drifts and drifting material in rivers and streams or on land that has been flooded. [1957 c.296 §1]

1 Legislative Counsel Committee, CHAPTER 549—Drainage and Flood Control Generally, https://­www.­oregonlegislature.­gov/­bills_laws/­ors/­ors549.­html (2017) (last ac­cessed Mar. 30, 2018).
2 OregonLaws.org contains the con­tents of Volume 21 of the ORS, inserted along­side the per­tin­ent statutes. See the preface to the ORS An­no­ta­tions for more information.
3 OregonLaws.org assembles these lists by analyzing references between Sections. Each listed item refers back to the current Section in its own text. The result reveals relationships in the code that may not have otherwise been apparent.