"A third of the Imperial Irrigation District's water operations budget, which pays for maintaining the All-American Canal and hundreds of miles of branch waterways and pumping stations, comes from water payments made by San Diego.
More than a third of the water that San Diego distributes to local agencies comes from the water transfer agreement and two related agreements. Those water sales are slated to increase over the years.
How San Diego would replace Imperial's water and how Imperial would replace San Diego's payments if the deal is struck down is unclear. Each has become dependent on the other."