H. H. Moore Divide, also known as Coulson Lake, is a privately owned irrigation dam located in Teller County, Colorado. Completed in 1946, this earth dam stands at a height of 30 feet and spans a length of 333 feet. With a maximum storage capacity of 98 acre-feet and a normal storage of 62 acre-feet, this dam serves the primary purpose of irrigation along Rule Creek.

Despite being regulated and inspected by the Colorado Department of Water Resources, the dam's hazard potential is classified as low with a fair condition assessment. However, a high risk level of 2 has been assigned, indicating the need for vigilant risk management measures. With no spillway and a limited emergency action plan in place, the dam poses potential risks that need to be addressed to ensure the safety of the surrounding area and water resources.

Enthusiasts of water resources and climate will find H. H. Moore Divide an intriguing structure due to its historical significance, engineering design, and the potential risks associated with its operation. As stakeholders continue to monitor and manage the dam's condition, it serves as a reminder of the delicate balance between harnessing water for agricultural purposes and ensuring the safety and sustainability of our water resources in a changing climate.