Located in Osborne, Kansas, the Kars #838 Add-On is a private earth dam primarily used for fire protection, stock, and small fish pond purposes. With a height of 21 feet and a storage capacity of 110 acre-feet, this dam serves as a crucial water resource for the surrounding area. Situated on the South Fork Solomon River-TR, it plays a significant role in managing water levels and providing essential protection against potential hazards.

Although not state-regulated, the Kars #838 Add-On has a significant hazard potential and a moderate risk assessment rating. Despite not being regularly inspected or assessed for condition, its vital role in water management and conservation highlights its importance in ensuring water security for the region. With a spillway width of 100 feet and uncontrolled spillway type, this dam is designed to handle potential overflow events and maintain its structural integrity in the face of emergencies.

As a key structure in the area, the Kars #838 Add-On represents a critical component of the local water infrastructure. Its role in providing fire protection, stock water, and support for small fish ponds underscores its importance for both agricultural and environmental purposes. With a focus on risk management and hazard potential, this dam serves as a vital resource for water and climate enthusiasts looking to understand the intersection of infrastructure and natural resource management in the region.