Miller Dam, also known as Ottawa Storage Dam No 2, is a local government-owned structure located in Ottawa, Kansas. Completed in 1938, this buttress dam stands at a height of 10 feet and spans 155 feet in length. Its primary purpose is water supply, and it is situated on the Marais Des Cygnes River, providing a maximum storage capacity of 450 acre-feet.

Managed by the Kansas Department of Agriculture, Miller Dam is regulated, permitted, inspected, and enforced by the state, ensuring its safety and compliance with regulations. With a low hazard potential and a condition assessment of "Not Rated," the dam serves as a vital water resource for the region. Despite not having a designated spillway type or outlet gates, the dam maintains a normal storage capacity of 450 acre-feet, contributing to the water supply needs of the area.

Located in Franklin County, Kansas, Miller Dam serves as a crucial infrastructure for water supply purposes. With its historical significance dating back to the 1930s, the dam continues to play a vital role in water management and climate resilience efforts in the region. Enthusiasts of water resources and climate sustainability will appreciate the role that Miller Dam plays in ensuring water availability and security for the local community.