The following Timing Units are contained in this District:

Birch Cr
Butter Cr
Columbia R - John Day upstream
Couse Cr
John Day R above and incl. Canyon Cr
John Day R below Canyon Cr
McKay Cr above reservoir
McKay Cr below reservoir
Meacham Cr
Middle Fk John Day R above US395
Middle Fk John Day R below US395
Mill Cr
N Fk John Day R above Camas Cr
N Fk John Day R below Camas Cr
Pine Cr
Rock Cr
S Fk John Day R above Izee Falls
S Fk John Day R below Izee Falls
Umatilla R - McKay Cr to Meacham Cr
Umatilla R above Meacham Cr
Umatilla R mouth to McKay Cr
Walla Walla R above Harris Park
Walla Walla R below Harris Park
Wildhorse Cr
Willow Cr

The following Timing Unit currently has no associated data:

Columbia R - John Day upstream