Haines Dam in Greenfield, Iowa, is a privately owned structure designed by USDA NRCS with a primary purpose of serving as a fire protection, stock, or small fish pond. Completed in 1970, this earth dam stands at a height of 23 feet and has a length of 597 feet, providing a storage capacity of 97 acre-feet. Situated on the Middle Nodaway River, 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.

With a low hazard potential and a moderate risk assessment rating, Haines Dam plays a crucial role in water resource management in Adair County. The dam's storage capacity of 97 acre-feet helps in mitigating flooding and provides water for various purposes in the surrounding area. Although the condition assessment is not rated, the dam is regularly inspected to maintain its integrity and ensure public safety. As a key infrastructure for the community, the dam contributes to the overall resilience and sustainability of the local water resources.

The presence of Haines Dam highlights the importance of proper dam management and maintenance in the face of changing climate conditions. With its strategic location and design, the dam serves as a valuable asset for fire protection, livestock watering, and recreational purposes. As water resource and climate enthusiasts, understanding the role of structures like Haines Dam is crucial in adapting to the challenges posed by a changing climate and ensuring the sustainable management of water resources for future generations.