Oregon Administrative Rules
Chapter 141 - DEPARTMENT OF STATE LANDS
Division 88 - RULES GOVERNING THE ESTABLISHMENT OF RESTRICTIONS ON THE PUBLIC RECREATIONAL USE OF STATE-OWNED LAND
Section 141-088-0110 - Closure of Tenmile Creek Estuary

(1) All submerged and submersible land under the jurisdiction of the Department below Head of Tide within the Tenmile Creek estuary is closed to any and all use by motor vehicles. Excepted from the estuary closure are Government-owned vehicles on official business, motor or non-motorized boats, vehicles used in the launching of boats at designated launching sites, public and private utility vehicles performing company business, vehicles involved in rescue or emergency activities, and vehicles engaged in repair of fences and placement of bank protection material.

(2) Head of Tide means the inland-most extent of tidal influence as measured by an increase in water surface level at Mean High Tide (Mean Lower Low Water Datum).

(3) The elevation of Mean High Tide corresponds to a tide stage of about 6.5 feet (Mean Lower Low Water Datum). The location of Head of Tide in the Tenmile Creek estuary is approximately River mile1.1, at the Tenmile Lake Outlet (Sections 22, 23, and 14 of Township 23 South, Range 13 West, Willamette Meridian).