The following Timing Units are contained in this District:

Calapooia R above Holley
Calapooia R below Holley
Coast Fork Willamette R
Crabtree and Thomas Cr
Fall Cr
Glenn Cr
Little North Fk Santiam R
Long Tom R
Luckiamute R
Marys R
Mcdowell Creek and Wiley Creek
McKenzie R above Blue R
McKenzie R below Blue R
McKenzie R tribs below Blue R
Mid Fk Willamette R tribs - Rattlesnake Cr to Hills Cr Res
Mid Willamette - Mill Creek
Middle Fk Willamette R - Rattlesnake Cr to Hills Cr Res
Middle Fk Willamette R to Rattlesnake Cr
Middle Fork Willamette R above Hills Cr Reservoir
Middle Santiam R and Quartzville Cr
North Santiam R above Big Cliff Dam
North Santiam R below Big Cliff Dam
Other East Bank Willamette R tribs - Falls to Harrisburg
Other Santiam River tribs below Big Cliff Dam
Other South Santiam R tribs below Foster Dam
Other West Bank Willamette R tribs - Falls to McKenzie R
Rickreall Cr
Row R above Dorena Reservoir
Row R below Dorena Reservoir
South Santiam R above Foster Dam
South Santiam R below Foster Dam
Spring Valley Cr
Stout Creek, Rock Creek, and Mad Creek
Willamette R - McKenzie R to Middle Fk Willamette
Willamette River - Yamhill R to McKenzie R