Lemolo No 1 is a captivating hydroelectric dam located in Idleyld Park, Oregon, along the picturesque North Umpqua River.
Wind
Humidity
Built in 1955 by Pioneer Service & Engineering, this rockfill dam stands at an impressive height of 120 feet and boasts a storage capacity of 19,000 acre-feet. With a primary purpose of generating hydroelectric power, the dam also provides opportunities for recreational activities in its vicinity.
Managed by the Federal Energy Regulatory Commission, Lemolo No 1 is a vital infrastructure for water resource and climate enthusiasts. The dam's controlled spillway, with a width of 100 feet, ensures the safe release of excess water during high flow events. With a hazard potential rated as high and a risk assessment indicating a very high risk level, the dam is closely monitored and inspected to ensure public safety and environmental protection.
Despite its age, Lemolo No 1 continues to play a crucial role in water management and renewable energy production in Douglas County, Oregon. Its strategic location, impressive height, and significant storage capacity make it a key player in the region's water resource infrastructure. For enthusiasts interested in water management and climate resilience, Lemolo No 1 is a fascinating example of engineering ingenuity and environmental stewardship.
Year Completed |
1955 |
Dam Length |
885 |
Dam Height |
120 |
River Or Stream |
North Umpqua River |
Primary Dam Type |
Rockfill |
Surface Area |
419.1 |
Hydraulic Height |
109 |
Drainage Area |
175 |
Nid Storage |
19000 |
Structural Height |
120 |
Outlet Gates |
Tainter (radial) - 1 |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
120 |