Cow Creek in Sweetwater, Wyoming, is a privately owned earth dam primarily used for irrigation purposes. Built in 1987 by designer Robert E. Johnson, the dam stands at 16 feet high and spans 1,715 feet in length, with a storage capacity of 698 acre-feet and a surface area of 93 acres. The dam is located on Shell Creek and is regulated and inspected by the Wyoming State Engineer's Office, with a low hazard potential and fair condition assessment.

Despite its modest size, Cow Creek plays a crucial role in providing water for irrigation and supporting local wildlife. The dam also serves as a fire protection resource and a small fish pond, demonstrating its versatility in meeting various water needs in the area. With a controlled spillway width of 134 feet and a maximum discharge capacity of 1,270 cubic feet per second, the dam is equipped to handle moderate risk levels and ensure the safety of the surrounding community.

Ensuring the proper maintenance and regulation of Cow Creek is essential to preserving its functionality and mitigating potential risks. With regular inspections every five years and a comprehensive emergency action plan in place, the dam is well-prepared to respond to any unexpected events. As a vital water resource in the region, Cow Creek stands as a testament to the importance of sustainable water management practices in the face of changing climate conditions.