Columbia River Treaty: Permanent Engineering Board
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KEY PROVISIONS & BENEFITS

Flood Control

Treaty provisions for flood control include

  • 8.45 million acre-feet (Maf) at Arrow, Duncan, and Mica assured for 60 years.
  • Additional 7 Maf of treaty storage and 5 Maf of non-treaty storage available for "on call" purchase.
  • $64,400,000 cash payment made to Canada by the U.S. Government.
Turbine
Website Contact: U.S. Army Corps of Engineers Columbia Basin Water Management