Fontenelle
May 7, 2024
Fontenelle, situated on the Green River in Wyoming, is a captivating water resource marvel that serves multiple purposes, including fish and wildlife preservation, hydroelectric power generation, recreation, and water supply. Built in 1963 by the Bureau of Reclamation, this federal-owned earth dam stands at a height of 139 feet and has a storage capacity of 405,160 acre-feet, providing essential water management for the region. The dam's spillway, with a width of 40 feet, helps control water flow during periods of high discharge, ensuring safety and efficiency in its operations.
With a hazard potential rated as high and a moderate risk assessment, Fontenelle Dam is subject to regular inspections and enforcement measures by the Bureau of Reclamation to maintain its structural integrity and safeguard against potential emergencies. The dam's rich history includes a structural modification in 1989, highlighting its adaptability and resilience to evolving environmental conditions. Fontenelle's strategic location in Lincoln County, Wyoming, makes it a critical piece of infrastructure for water management in the region, reflecting the ongoing efforts to ensure sustainable water resource utilization for current and future generations.
| Years_Modified | 1989 - Structural |
| Year_Completed | 1963 |
| Dam_Height | 139 |
| River_Or_Stream | GREEN RIVER |
| Dam_Length | 5450 |
| Primary_Dam_Type | Earth |
| Surface_Area | 8058 |
| Hydraulic_Height | 121 |
| Drainage_Area | 4175 |
| Nid_Storage | 405160 |
| Structural_Height | 139 |
| Outlet_Gates | Valve - 3 |
| Hazard_Potential | High |
| Foundations | Soil |
| Nid_Height | 139 |
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