Terminal, also known as Lopez Reservoir, is a local government-owned dam located in Arroyo Grande, California. Completed in 1969, this earth-type dam stands at 53 feet in height and has a storage capacity of 844 acre-feet. Its primary purpose is water supply, serving the surrounding area with a maximum discharge capacity. The dam is regulated by the California Department of Water Resources and is inspected regularly to ensure its structural integrity and safety.

Situated on the Tr Arroyo Grande stream, Terminal dam plays a crucial role in managing water resources in San Luis Obispo County. With a hazard potential classified as high, the dam has undergone satisfactory condition assessments, last conducted in September 2017. Emergency action plans are in place, although the specifics of preparedness and risk management measures are not detailed in the available data. The dam's inspection frequency is set at 1 year, with the most recent inspection taking place in November 2020, showcasing a commitment to maintaining safety standards and compliance with regulatory agencies.

For water resource and climate enthusiasts, Terminal dam presents a fascinating case study of infrastructure designed to meet the water supply needs of a local community. Its strategic location, efficient design, and state-regulated operations highlight the importance of sustainable water management practices in the face of changing climate patterns and growing demands. As stakeholders continue to prioritize the safety and efficiency of water infrastructure like Terminal, this reservoir serves as a reminder of the critical role dams play in ensuring water security for communities in California and beyond.