Why America Is Destroying Its 3rd-Largest Lake

Quick Overview

The Great Salt Lake is facing imminent collapse, predicted by researchers to potentially vanish within five years by 2028, due to human water consumption and climate change, which threatens the region's entire ecosystem, economy (including skiing and brine shrimp industries), and the health of millions living along the Wasatch Front due to toxic dust storms.

Key Points: Researchers from Brigham Young University warned in early January 2023 that the Great Salt Lake could completely disappear within five years, by 2028. The lake has already shrunk by 51% between 1986 and 2021, leaving behind 900 square miles of toxic, arsenic-laced lakebed exposed. The primary cause of the lake's decline is human water consumption, with agriculture consuming 74% of the water supply in the Wasatch Front region, which contains over 2.8 million people. The sustainable withdrawal rate for the lake's watershed is 1.1 Million Acre-feet (MAF) annually, but total consumptive use is 2.3 MAF annually, resulting in a 1.2 MAF annual water deficit. The shrinking lake threatens the region's economy, including the ski industry (due to reduced lake-effect snow) and the brine shrimp industry (which provides 40% of the global brine shrimp feed source). The exposed lakebed contains high amounts of toxic materials like arsenic, lead, mercury, and antimony, which are increasingly being blown across the region as dust storms, threatening public health. The loss of the lake is projected to cost the state of Utah over $2 billion in lost economic activity and jobs, including those in the dairy and beef industries, which rely on the lake's ecosystem.

Context: The video addresses the severe water crisis affecting the Great Salt Lake in Utah, the largest saline lake in the Western Hemisphere. It contrasts the lake's historical size (Lake Bonneville, 17,000 years ago) with its current critically low levels, highlighting the human and climate factors accelerating its decline and the resulting ecological and economic crises facing the densely populated Wasatch Front region.