Water Management in the Yakima River Basin

• 3 Maf runoff

• 2 Maf irrigation water rights

• 1 Maf reservoir storage

• Seniors (pre-1905)

• Juniors aka proratables (May 10, 1905)

• YN

• • Time Immemorial – Quackenbush
  • • Additional storage must improve this
  • 1855
  • 1905 Proratable
  • • Additional storage would augment this