Schnoenjahn Dam, located in Monona, Iowa, was completed in 1963 by the USDA NRCS and serves as a crucial water resource for the region. With a primary purpose of fire protection, stock, or small fish pond, the dam stands at 31 feet in height and has a storage capacity of 70 acre-feet. The dam's low hazard potential and moderate risk assessment make it a key component in managing water resources in the area.

Owned privately, Schnoenjahn Dam is regulated by the Iowa DNR and undergoes regular inspections, permitting, and enforcement to ensure its safety and functionality. Situated on the TR-MAPLE RIVER, the dam plays a vital role in water management and conservation efforts in the region. With a surface area of 2.5 acres and a drainage area of 0.39 square miles, the dam provides essential water storage and flood control capabilities.

Overall, Schnoenjahn Dam is a critical infrastructure for water resource management in Monona, Iowa. Its construction by the USDA NRCS and oversight by the Iowa DNR highlight its importance in maintaining water quality, ensuring public safety, and supporting various water-related activities in the area. The dam's design, purpose, and operational protocols contribute to its role in the sustainable management of water resources and climate resilience efforts in the region.