Municipal, also known as Suisun Reservoir, is a private water supply structure located in Mankas Corner, California. The dam was completed in 1939 and stands at a height of 56 feet, with a maximum storage capacity of 169 acre-feet. It serves as a critical water source for the area, with a primary purpose of water supply. The dam is earth-filled and regulated by the California Department of Water Resources and Safety of Dams.

With a drainage area of 0.43 square miles and a surface area of 10 acres, Municipal plays a significant role in the region's water management. The dam has a high hazard potential but is currently in satisfactory condition, as assessed in September 2017. Regular inspections are conducted, with the most recent one taking place in June 2020. The Emergency Action Plan (EAP) for the dam was last revised in March 2021, ensuring that necessary guidelines and measures are in place for emergency situations.

Overall, Municipal serves as a vital component of the water infrastructure in Solano County, California. Its strategic location on Tr Suisun Creek and reliable water storage capacity make it a key asset for water resource management in the region. As climate change continues to impact water availability, structures like Municipal play a crucial role in ensuring a sustainable and secure water supply for the community.