Water Storage, located in Niobrara, Wyoming, is a privately owned structure designed by C.J. Tackett for the primary purpose of water supply. Completed in 1939, this earth dam stands at a height of 30 feet and has a maximum storage capacity of 51 acre-feet. The dam, situated on Lance Creek, serves as a vital resource for the surrounding area, with a normal storage capacity of 30 acre-feet and a surface area of 3 acres.

Despite its low hazard potential, Water Storage is currently in poor condition, as indicated by the last inspection in May 2019. The dam has an uncontrolled spillway with a width of 24 feet and a single valve outlet gate. The risk assessment for this structure is moderate, with a rating of 3 out of 5, highlighting the importance of implementing risk management measures to ensure its continued safety and functionality. As a critical component of the water supply infrastructure in the region, maintaining and improving the condition of Water Storage is essential for mitigating potential risks and safeguarding this valuable resource for future generations.