Lytton, also known as Lytton Lake, is a privately owned dam located in Sonoma County, California, near the city of Healdsburg. Built in 1956, this earth-type dam stands at a height of 34 feet and has a hydraulic height of 30.2 feet. With a storage capacity of 410 acre-feet, Lytton primarily serves the purposes of irrigation and water supply for the surrounding area. The dam is regulated by the California Department of Water Resources, ensuring that it meets state inspection and enforcement standards.

Situated on the Tr Russian River, Lytton plays a crucial role in managing water resources in the region, providing essential support for agricultural irrigation and local water supply needs. Despite being classified as having a high hazard potential, the dam has been assessed as being in satisfactory condition as of September 2017. Regular inspections are conducted to maintain the dam's safety and integrity, with the last inspection taking place in January 2020. Although no major modifications or risk management measures have been reported, the dam's Emergency Action Plan is kept updated to ensure preparedness in case of emergencies.

With its strategic location and vital role in water management, Lytton serves as a key infrastructure asset in Sonoma County. The dam's presence contributes to the sustainable use of water resources, supporting the agricultural and domestic water needs of the local community. As climate change continues to impact water availability and quality, the proper maintenance and operation of dams like Lytton are essential for ensuring a reliable and secure water supply for current and future generations.