HERO_IMAGE_URL RESERVOIR REPORT

Last Updated: December 8, 2025

In the United States, a recent survey of dam and reservoir conditions reveals a varied landscape of water storage levels, with some regions exhibiting surpluses and others facing concerning deficits. Notably, Lake Powell in Arizona, a crucial reservoir for the Colorado River Basin, is currently holding just over 45% of its average storage, reflecting the ongoing drought conditions in the Southwestern states. Conversely, California's Lake Almanor is reporting storage levels exceeding its average by more than 200,000 acre-feet, a positive indicator in the context of the state's often precarious water supply situation.

Amidst these extremes, several reservoirs across the country are experiencing near-average conditions, including New York's Lake George and New Hampshire's Lake Winnipesaukee. However, the broader trend indicates that climate variability continues to challenge water resource management. For example, the John Martin Reservoir in Colorado is currently at less than a quarter of its average storage, underscoring the impact of reduced snowpack and river flows on water availability. In contrast, Florida's Lake Talquin shows stable levels, reflecting regional weather patterns that have maintained consistent water inflow. As hydrologists and water managers continue to monitor these vital resources, the interplay between conservation efforts, upstream water usage, and climatic factors remains crucial in ensuring sustainable management of the nation's dams and reservoirs.