East Lake #3, located in Thornton, Colorado, is a local government-owned Earth dam completed in 1887 for irrigation purposes.
Wind
Humidity
With a height of 11 feet and a length of 2000 feet, this dam has a storage capacity of 790 acre-feet and a surface area of 35 acres. The dam is regulated by the Colorado Department of Water Resources, with state permitting, inspection, and enforcement in place to ensure its safety and compliance with regulations.
Despite its low hazard potential and satisfactory condition assessment, East Lake #3 poses a moderate risk due to its moderate flood risk reduction capabilities and moderate drainage area. The spillway, which is uncontrolled and 179 feet wide, can handle a maximum discharge of 7894 cubic feet per second. The last inspection of the dam was conducted in 2013, with an inspection frequency of 6 years. While the Emergency Action Plan (EAP) was last revised in 1998, East Lake #3 is equipped with emergency contacts and measures to manage risks in case of any potential incidents.
Overall, East Lake #3 serves as a vital water resource infrastructure in the region, showcasing the historical significance of irrigation practices dating back to the late 19th century. As climate change continues to impact water resources, the maintenance and regulation of dams like East Lake #3 play a crucial role in ensuring water security and disaster preparedness for the community. Enthusiasts of water resources and climate resilience will find East Lake #3 to be an intriguing example of sustainable water management in a changing environment.
Year Completed |
1887 |
Dam Length |
2000 |
Dam Height |
11 |
River Or Stream |
BRANTNER GULCH-TR |
Primary Dam Type |
Earth |
Surface Area |
35 |
Hydraulic Height |
11 |
Nid Storage |
790 |
Structural Height |
11 |
Hazard Potential |
Low |
Nid Height |
11 |