Amerada Stock, located in Johnson, Wyoming, is a privately owned earthen dam built in 1969 for fire protection, stock, and small fish pond purposes. The dam stands at 25 feet high with a storage capacity of 262 acre-feet and a surface area of 18 acres. It is primarily regulated by the Wyoming State Engineer's Office and undergoes regular inspections, with the last assessment in June 2017 rating its condition as fair and its hazard potential as low.

Situated on Nine Mile Creek, Amerada Stock serves as a crucial water resource for the surrounding area, providing necessary water for fire protection and livestock. Despite its low hazard potential, the dam's risk assessment is rated as moderate, indicating a need for ongoing monitoring and risk management measures to ensure its continued safety and functionality. With its strategic location and importance for water storage, Amerada Stock plays a vital role in the local ecosystem and agriculture industry.

For water resource and climate enthusiasts, Amerada Stock presents an intriguing case study of a privately owned dam in Wyoming that serves multiple purposes while facing moderate risks. Its location on Nine Mile Creek and its storage capacity make it a valuable asset for the community, highlighting the importance of proper maintenance and monitoring to ensure its long-term viability in the face of changing environmental conditions and potential hazards.