Moab City Johnson Canyon Lower is a privately owned water resource in Grand County, Utah, regulated by the Utah Division of Water Rights. The dam serves the primary purpose of flood risk reduction and is classified as having a significant hazard potential. Despite not being rated for its condition, the dam is subject to regular inspections, with the last one conducted in May 2004 and a scheduled inspection frequency of every 5 years.

Located at coordinates 38.57758986 latitude and -109.5421269 longitude, Moab City Johnson Canyon Lower does not have a specified height, volume, or length, indicating a smaller-scale structure. The dam does not have associated structures and is not under the jurisdiction of any specific city. With a history of being constructed by private entities, the dam's maintenance and regulatory oversight fall under the responsibility of the owner, in compliance with state permitting, inspection, and enforcement requirements.

For water resource and climate enthusiasts, Moab City Johnson Canyon Lower represents a vital piece of infrastructure in managing flood risks in the region. While lacking detailed information on its physical attributes and history of modifications, the dam's presence and regulatory compliance ensure its continued function in safeguarding the local area from potential inundation events. As a privately owned structure, its upkeep and adherence to safety standards play a crucial role in the broader water resource management efforts in Utah.