Hertneky, Ed is a privately owned earth dam located in Deer Trail, Colorado, along the East Bijou Creek. Constructed in 1971 by the U.S. Soil Conservation Service, now known as the Natural Resources Conservation Service, this dam serves multiple purposes including flood risk reduction, fire protection, and providing water for stock or small fish ponds. With a maximum storage capacity of 223 acre-feet and a drainage area of 6 square miles, Hertneky, Ed plays a crucial role in managing water resources in the region.

Standing at a height of 21 feet and with a spillway width of 225 feet, Hertneky, Ed has a low hazard potential and is assessed to be in satisfactory condition as of the last inspection in 2012. The dam's emergency action plan and risk assessment are moderate, indicating a proactive approach to maintaining its integrity and ensuring public safety. With its strategic location and design features, Hertneky, Ed exemplifies the importance of sustainable water management practices in mitigating natural disasters and supporting agricultural activities in the area.

Managed by the Colorado Department of Water Resources and regulated by the state, Hertneky, Ed represents a successful collaboration between private ownership and governmental oversight in ensuring the safety and efficiency of water infrastructure. As a vital component of the local water supply and flood control system, this dam serves as a testament to the resilience and adaptability of water resource management practices in the face of changing climate conditions. For water resource and climate enthusiasts, Hertneky, Ed offers a fascinating case study in the intersection of human intervention and natural systems in safeguarding water security for future generations.