Oregon Revised Statutes Water Resources: Irrigation, Drainage, Flood Control, Reclamation § 538.110

For the purpose of maintaining and perpetuating the recreational and scenic resources of Oregon, the waters of that portion of Tumalo Creek, in Deschutes County, situated above a point one-half mile above the intake of the Columbia Southern Canal in section 2, township 18 south, range 10 east, Willamette Meridian, in Deschutes County, shall not be diverted for any purposes whatsoever, except for municipal, domestic and stock uses. Nothing in this section shall be construed to impair any vested rights existing as of June 4, 1929, in the creek or its tributaries. This section shall not apply to the waters of the south fork of Tumalo Creek.