Mcindoes, located in East Ryegate, VT along the Connecticut River, is a privately owned hydroelectric dam in New Hampshire. Built in 1931, this concrete gravity dam stands at 25 feet high and spans 730 feet in length, with a storage capacity of 4800 acre-feet. The dam serves multiple purposes including hydroelectric power generation and recreation, making it a valuable resource in the region.

Managed by the NHDES Dam Bureau and regulated by the Federal Energy Regulatory Commission, Mcindoes has a controlled spillway with a width of 520 feet and a maximum discharge capacity of 138,500 cubic feet per second. Despite its low hazard potential, the dam is classified with a very high risk due to its critical infrastructure and potential impact in the event of a failure. Regular inspections and emergency action plans are in place to ensure the safety and integrity of the structure.

For water resource and climate enthusiasts, Mcindoes offers a fascinating glimpse into the intersection of human engineering and natural ecosystems. Its presence along the Connecticut River not only provides clean energy but also supports recreational activities and wildlife habitats. With a rich history and ongoing management efforts to mitigate risks, Mcindoes stands as a testament to the importance of sustainable water resource management in balancing environmental conservation and human needs.