Lower Orange Reservoir, also known as Large Orange, is a vital water supply reservoir located in Orange, Vermont. Owned and regulated by the local government, this reservoir has a dam height of 33 feet and was completed in 1910. With a storage capacity of 168 acre-feet, it serves the primary purpose of water supply for the region, drawing water from the Orange Brook.

This earth dam structure, with a stone core and soil foundation, covers a surface area of 9 acres and has a drainage area of 10.94 square miles. Despite its age, Lower Orange Reservoir is deemed to have low hazard potential and fair condition assessment as of the last inspection in June 2014. The reservoir plays a crucial role in the water management system of the area, ensuring a reliable water supply for the community while adhering to state regulations for permitting, inspection, and enforcement.

For water resource and climate enthusiasts, Lower Orange Reservoir stands as a testament to sustainable water management practices in Vermont. With its historical significance dating back over a century, this reservoir continues to provide essential water supply services while maintaining a fair condition and low hazard potential. As climate change impacts water resources globally, the careful monitoring and regulation of reservoirs like Lower Orange are crucial in ensuring the resilience and sustainability of water systems in the face of environmental challenges.