Iowa Noname36 is a local government-owned dam located in Sioux City, Iowa, along the TR-Perry Creek. Built in 1965 by the USDA NRCS, this Earth-type dam serves multiple purposes including fire protection, stock, and small fish pond. With a height of 50 feet and a length of 798 feet, the dam has a storage capacity of 132 acre-feet and covers a surface area of 6.5 acres.

Managed by the Iowa DNR, Iowa Noname36 is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and compliance with regulations. Despite being classified as having a low hazard potential, the dam is rated as having a moderate risk level. The dam's drainage area is 1.91 square miles, and it has an uncontrolled spillway type.

Water resource and climate enthusiasts may find interest in Iowa Noname36 for its role in water management and conservation efforts in Plymouth County. As a vital infrastructure for local fire protection and agricultural activities, the dam contributes to the region's water supply and ecosystem health. With its historical significance dating back to the mid-20th century, Iowa Noname36 represents a tangible link between human development and environmental stewardship in the heart of the Midwest.