Sunnyside Dam
May 3, 2024
Sunnyside Dam, also known as Lower Adams-McGill Reservoir, is a state-owned structure located in Hiko, Nevada on the White River. Built in 1915 by the Nevada Fish and Game Commission, this earth dam stands at a height of 10 feet and has a hydraulic height of 7 feet. With a primary purpose of serving as a fish and wildlife pond, the dam also supports irrigation and recreation activities in the area.
The dam has a storage capacity of 4040 acre-feet, with a surface area of 882.1 acres and a drainage area of 840 acres. Its spillway, of uncontrolled type, has a width of 155 feet. Despite a poor condition assessment in 2021, the hazard potential of Sunnyside Dam is considered low, with a moderate risk assessment rating of 3. The dam has undergone modifications in 1961 for structural improvements and has other controlled outlets to manage water flow effectively.
Overall, Sunnyside Dam plays a crucial role in supporting the local ecosystem and providing recreational opportunities while ensuring water resource management and flood control on the White River. With its historical significance and ongoing maintenance efforts, this dam remains a vital infrastructure for water resource and climate enthusiasts in Nevada.
| Years_Modified | 1961 - Structural |
| Year_Completed | 1915 |
| Dam_Height | 10 |
| River_Or_Stream | WHITE RIVER |
| Dam_Length | 2400 |
| Primary_Dam_Type | Earth |
| Surface_Area | 882.1 |
| Hydraulic_Height | 7 |
| Drainage_Area | 840 |
| Nid_Storage | 4040 |
| Structural_Height | 11 |
| Outlet_Gates | Other Controlled - 7 |
| Hazard_Potential | Low |
| Foundations | Soil |
| Nid_Height | 11 |
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