Located in Van Buren, Iowa, the Lenth Wetland Dam (Upper Pool) is a state-owned structure with a primary purpose of serving as a Fish and Wildlife Pond. Built in 2000 by the NRCS, this Earth-type dam stands at a height of 9 feet and spans a length of 3675 feet. With a normal storage capacity of 213 acre-feet and a drainage area of 1.09 square miles, the dam provides essential habitat for fish and wildlife in the area.

The dam's low hazard potential and moderate risk assessment make it a valuable asset for water resource and climate enthusiasts. Managed by the Iowa DNR, the Lenth Wetland Dam plays a crucial role in regulating water flow along the TR-FOX RIVER, ultimately benefiting the surrounding ecosystem. Despite not being currently rated for condition assessment, the dam remains a key feature in the region's water management infrastructure, ensuring the conservation of natural resources and enhancing biodiversity.

As part of the Kansas City District, the Lenth Wetland Dam (Upper Pool) stands as a testament to the collaborative efforts between state and federal agencies in promoting sustainable water management practices. With its strategic location near the Mississippi River and its vital role in supporting fish and wildlife populations, this dam serves as a model for effective ecosystem conservation and climate resilience initiatives in the region.