Tat Momolikot, also known as Lake St Clair, is a federal-owned reservoir located in Stanfield, Arizona. Constructed in 1974 by the Bureau of Indian Affairs, this Earth type dam serves primarily for irrigation purposes along the Santa Rosa Wash. With a structural height of 76 feet and a dam length of 12,500 feet, the reservoir has a storage capacity of 375,000 acre-feet, making it a crucial water resource in the region.

Despite its importance in supporting agricultural activities, Tat Momolikot poses a high hazard potential and is categorized as a very high-risk structure. Emergency protocols and risk management measures are in place, although the condition assessment is currently not available. The reservoir is under the jurisdiction of the Bureau of Indian Affairs, with regular inspections scheduled every 5 years to ensure the safety and stability of the dam.

Water resource and climate enthusiasts will find Tat Momolikot an intriguing case study of water management in arid regions. Situated in Pinal County, the reservoir plays a vital role in sustaining local agriculture and serves as a critical asset for the community. With ongoing concerns about its hazard potential and high-risk classification, there is a need for continued monitoring and assessment to safeguard this essential water source for future generations.