Walters is a private earth dam located on Alkali Creek in Big Horn, Wyoming, designed by Darvin D. Dietz and completed in 1978 for irrigation purposes. With a height of 25 feet and a length of 600 feet, Walters has a storage capacity of 638 acre-feet, with a normal storage level of 464 acre-feet. The dam serves to reduce flood risk and provide water for agricultural irrigation in the region.

Managed by the Wyoming State Engineer's Office, Walters is regulated, permitted, inspected, and enforced by state authorities to ensure its safety and functionality. The dam has a low hazard potential and fair condition assessment, with a moderate risk level. With a spillway width of 2 feet and a maximum discharge capacity of 100 cubic feet per second, Walters is equipped to handle excess water flow during periods of heavy rainfall or snowmelt.

Located in Manderson, Wyoming, Walters plays a crucial role in water resource management in the area, contributing to the agricultural sustainability and flood protection of the region. As a key infrastructure for irrigation and flood risk reduction, Walters stands as a testament to the importance of efficient water resource utilization and climate resilience in the face of changing environmental conditions.