Pastorius - East Dike is a privately owned irrigation dam located in Bondad, Colorado, along the West Fork Cottonwood Gulch. Built in 1923, this earth dam stands at a height of 15 feet and has a storage capacity of 565 acre-feet, with a normal storage level of 295 acre-feet. The dam serves multiple purposes including irrigation, fish and wildlife pond, and recreation, showcasing its importance in supporting local ecosystems and communities.

Despite being classified as having a significant hazard potential, the dam is in fair condition as of the last assessment in August 2020. It is regularly inspected by state regulatory agencies, with a moderate risk assessment rating of 3. The dam features an uncontrolled spillway and has a maximum discharge capacity of 845 cubic feet per second, ensuring proper water management and flood control measures are in place for the surrounding area.

With its rich history dating back nearly a century, Pastorius - East Dike stands as a testament to the vital role of water resource management in sustaining agricultural activities and preserving natural habitats. Its strategic location within La Plata County, Colorado, underscores the importance of maintaining and monitoring such infrastructure to ensure the safety and well-being of the local community and environment in the face of changing climate conditions.