Norlin Dam, located in Anamosa, Iowa, is a private earth dam completed in 2000 and primarily serves the purposes of fire protection, stock, and small fish pond. With a height of 30 feet and a length of 285 feet, the dam has a storage capacity of 51 acre-feet and covers a surface area of 3.9 acres. The dam is regulated by the Iowa Department of Natural Resources and is inspected and enforced by state agencies to ensure its safety and compliance with regulations.

The dam, situated on TR-Buffalo Creek, has a low hazard potential and a moderate risk assessment rating. It features an uncontrolled spillway with a width of 1 foot and is designed to withstand hydraulic pressures. The dam's condition is currently not rated, but it is regularly monitored by state agencies to maintain its functionality and safety. Despite its private ownership, the dam plays a crucial role in water resource management and climate resilience efforts in the region.

Overall, Norlin Dam serves as a vital infrastructure for water management in Jones County, Iowa, providing essential services for fire protection, livestock, and recreational activities. Its construction and operation are overseen by state agencies, ensuring that it meets regulatory standards and poses minimal risks to the surrounding environment and communities. As a key component of the local water system, the dam contributes to the region's resilience to climate change and helps safeguard the water resources for future generations.