Located in Louisa County, Iowa, the Massner Dam serves multiple purposes including fire protection, stock, and a small fish pond. Built in 1977 by the USDA NRCS, this private earth dam stands at a height of 27 feet and stretches 425 feet in length. With a storage capacity of 71 acre-feet and a surface area of 4.2 acres, the dam is regulated by the Iowa DNR and undergoes regular inspections to ensure proper maintenance.

The dam, situated on TR-SMITH CREEK, is classified as having a low hazard potential and a moderate risk assessment. While it does not have a controlled spillway, it meets regulatory guidelines and is equipped with emergency action plans. Despite its rural location in Elrick, the Massner Dam plays a crucial role in water resource management and environmental protection in the region. Enthusiasts of water resources and climate science will find this dam a fascinating example of sustainable infrastructure in action.

Managed by private owners with support from the Natural Resources Conservation Service, the Massner Dam showcases the collaboration between federal and state agencies in ensuring the safety and functionality of vital water structures. With its simple yet effective design, this dam stands as a testament to the importance of maintaining and monitoring water resources for the benefit of local communities and ecosystems.