Located in Cassia, Idaho, the J-Canal Reregulating structure serves as a vital component in managing water resources for the surrounding area. Completed in 1994, this earth dam stands at a height of 18.5 feet and has a hydraulic height of 14.5 feet. With a storage capacity of 25 acre-feet, it plays a crucial role in regulating water flow for the unnamed stream it serves.

With a spillway width of 40 feet and a maximum discharge capacity of 150 cubic feet per second, the J-Canal Reregulating structure is designed to handle significant water flow and potential hazards. Despite its age, the dam is reported to be in satisfactory condition as of the last assessment in July 2017. The structure is state-regulated and permitted, with inspections conducted regularly to ensure its continued safety and effectiveness in water management.

For water resource and climate enthusiasts, the J-Canal Reregulating structure offers a fascinating glimpse into the intricate systems and structures that help manage and control water flow in Idaho. Its strategic location, design features, and purpose make it a key player in ensuring the efficient distribution and regulation of water resources for the local community. As discussions around water management and climate change continue to evolve, structures like the J-Canal Reregulating serve as essential components in safeguarding water security and sustainability for the future.