By Dorany Pineda And Brittany Peterson Federal officials said Thursday they will not release cool water this year from one of the Colorado River’s major reservoirs, which would have protected a threatened native fish downstream but put more strain on already struggling hydropower production. In an email obtained by The Associated Press, the Bureau of Reclamation told various groups that water from Glen Canyon Dam in northern Arizona would not be released “due to significant hydropower generation concerns under already strained system conditions.” As the Colorado River and its once massive reservoirs shrink from overuse and climate change, officials were faced with a decision that pits conservation of the humpback chub — a threatened fish native to the river — against ratepayer costs for electricity. The decision comes after the…






