Rim Rock #1 is a privately owned irrigation dam located in Whitewater, Colorado. Built in 1952, this earth dam stands at a height of 15 feet and has a storage capacity of 308 acre-feet. Designed primarily for irrigation purposes, it also serves recreational activities in the area. The dam is regulated by the Colorado Department of Water Resources and undergoes regular inspections to ensure its structural integrity.

With a low hazard potential and satisfactory condition assessment, Rim Rock #1 poses minimal risk to its surrounding area. The dam does not feature a spillway and relies on slide gates for water release. In the event of an emergency, the dam has established emergency action procedures, although details on their preparation and revision dates are not currently available. Despite its high risk assessment level, the dam is well-managed and maintained to meet regulatory standards for safety and operation.

Located on Ward Creek, this dam plays a crucial role in water management and agricultural activities in the region. Its presence contributes to the sustainability of irrigation practices and recreation opportunities while adhering to state regulations and inspection requirements. For water resource and climate enthusiasts, Rim Rock #1 serves as a notable example of private dam infrastructure in Colorado that balances utilization with safety and environmental considerations.