Among the projects proposed under the Columbia River Treaty were
construction and operation of 15.5 million acre-feet of Canadian
storage and optimization of power generation and flood control
downstream in the U.S. & Canada . Construction of the Libby
reservoir under the Treaty provisions added another 5 million
acre-feet of storage.
Implementation involved development of four treaty projects:
Implementation of the four Treaty Projects included a detailed
operating plan for Canadian Storage as well as supplemental
1. Detailed Operating Plans for Canadian Treaty Projects:
Article XIV (2) of the Treaty allows the Entities to prepare
the Detailed Operating Plan (DOP) for the upcoming year.
- Must agree on changes (mutual benefits).
The DOP includes the process for determining real-time project
Authorizes the mutually beneficial changes to the DOP for power
and non-power purposes.
2. Typical Supplemental Agreements:
- Provisional Storage
Nonpower Uses Agreement
- US Flow Augmentation storage
- US Vernita Bar minimum flows
- Canadian Arrow Level Enhancement
- Canadian Trout spawning
- Canadian Whitefish
- Canadian Whitefish Spawning
- Arrow Local Method
3. Agreement on Libby operations:
- Libby Coordination Agreement
- Libby/Arrow storage swap