Tillis #2, located in Cheatham, Tennessee, is a privately owned earth dam completed in 1985 for fire protection, stock, or small fish pond purposes. With a hydraulic height of 22 feet and a structural height of 25 feet, the dam has a storage capacity of 90 acre-feet and a surface area of 7.6 acres. Situated on TribSycamore Creek, the dam is under the jurisdiction of the Nashville District but is not regulated by the state of Tennessee.

Despite being rated as having a low hazard potential and a moderate risk assessment, Tillis #2 has not been given a condition assessment. The dam, equipped with an uncontrolled spillway, has a last inspection date of May 27, 2016, with an inspection frequency of 5 years. The emergency action plan (EAP) status, including preparedness, guidelines compliance, and risk management measures, is currently unspecified. While the dam does not have any associated lock structures, it serves as a crucial resource for fire protection and agricultural purposes in the region.

Overall, Tillis #2 is an essential water resource in Cheatham, Tennessee, providing fire protection and stock water storage. With a moderate risk assessment and low hazard potential, the dam's condition assessment is yet to be rated. As an earth dam with a storage capacity of 90 acre-feet, Tillis #2 remains a vital component of the local water management infrastructure along TribSycamore Creek.