Tropic is a privately owned irrigation dam located in Garfield County, Utah, along the East Fork of the Sevier River. Built in 1936, this earth dam stands at a structural height of 29 feet and serves the primary purpose of irrigation, with a storage capacity of 3,700 acre-feet. The dam has a high hazard potential and is regulated by the Utah Division of Water Rights, with regular inspections and enforcement to ensure its safety and functionality.

Despite its fair condition assessment, Tropic Dam remains a critical infrastructure for water resource management in the region, providing water for agricultural purposes in Antimony and surrounding areas. With a drainage area of 86.1 square miles and a maximum discharge of 60 cubic feet per second, the dam plays a crucial role in sustaining local ecosystems and supporting the livelihoods of farmers and residents in the community. Its proximity to the Los Angeles District of the US Army Corps of Engineers underscores its significance in the broader water management landscape.

As a key component of the water infrastructure in Utah, Tropic Dam requires ongoing maintenance and adherence to regulatory standards to mitigate risks and ensure public safety. With its strategic location and vital role in providing water for irrigation, the dam serves as a testament to the intersection of water resource management and climate resilience in the face of changing environmental conditions. As enthusiasts in the field of water resources and climate, monitoring the condition and performance of dams like Tropic is essential for understanding the broader implications of water management in a changing world.