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Lake Mead Drops to 35% Capacity, Algal Bloom Threatens Safety

4/11/2026

42 4 Full Breakdown

Summary

Story summary

Lake Mead has fallen six feet since March 1 and sits at 35% capacity, near a record low.
Low snowpack and drought could drive the reservoir to fall another 16 feet by 2027.
Rising water temperatures may complicate water treatment and operations at Hoover Dam.
A harmful algal bloom in Government Wash poses health risks, and the National Park Service warns it may threaten swimming safety for children and pets.

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Story summary

Lake Mead has fallen six feet since March 1 and sits at 35% capacity, near a record low.
Low snowpack and drought could drive the reservoir to fall another 16 feet by 2027.
Rising water temperatures may complicate water treatment and operations at Hoover Dam.
A harmful algal bloom in Government Wash poses health risks, and the National Park Service warns it may threaten swimming safety for children and pets.