Lower San Fernando, also known as Lower Van Norman Lake, is a vital water resource located in Granada Hills, California. This dam, completed in 1918, plays a crucial role in supplying water to the surrounding area, with a storage capacity of 9,843 acre-feet and a surface area of 224 acres. Situated on the San Fernando Creek, this earth dam stands at a height of 125 feet, with a hydraulic height of 115 feet, ensuring a reliable water supply for the region.
Managed by local government authorities and regulated by the California Department of Water Resources (DWR) for safety compliance, Lower San Fernando has a high hazard potential but is currently deemed to be in satisfactory condition. Regular inspections and enforcement actions are conducted to ensure the dam's integrity and functionality. The dam's Emergency Action Plan (EAP) is up to date, providing a comprehensive guideline for emergency response and risk management measures.
With its rich history dating back over a century, Lower San Fernando continues to be a cornerstone of water management in Los Angeles County. Its strategic location and efficient design make it a vital component of the regional water supply infrastructure, contributing to the resilience of the area against the impacts of climate change. For water resource and climate enthusiasts, Lower San Fernando serves as a prime example of the critical role that dams play in ensuring water security and environmental sustainability in California.
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