water level

Some residents have been left with dry wells as water levels have dropped.

The couple who died had tried to leave their home but were swept away, "surprised by the very rapid rise in water levels", the Toulon public prosecutor said.

Since March 31, DWP crews had been refilling the reservoir as part of a gradual process that lifts the water level only a few feet each day.

"I can't tell you whether the temperature has risen in Thargomindah because of climate change or the water levels are up," he added.

Stephen Mumme, a political science professor at Colorado State University who is an expert in the treaty, said low water levels have left Sheinbaum in a bind: “There’s only so much Mexico can do.”