Robert Langenwalter is a private earth dam located in Cowley, Kansas, along the Walnut River. Built in 1984 by the USDA NRCS, this dam serves multiple purposes including fire protection and providing water for stock or small fish ponds. With a height of 28 feet and a length of 350 feet, it has a storage capacity of 65 acre-feet and a surface area of 8 acres, making it an essential water resource for the surrounding area.

Despite being categorized as having a low hazard potential, Robert Langenwalter plays a crucial role in water management and conservation efforts in the region. It is not regulated by the state and does not have a formal inspection or enforcement process in place. However, its normal storage capacity of 30.5 acre-feet ensures a steady water supply for various agricultural and recreational activities in the area.

The dam's location in a rural setting underscores its significance in providing vital resources for the community. With its primary purpose of fire protection and water supply, Robert Langenwalter stands as a testament to the importance of sustainable water management in mitigating the impacts of climate change and ensuring the resilience of local ecosystems.