Twin Lake-Lower, also known as Lower Pine Lake, is a private water resource located in Baker, Oregon. The dam was completed in 1908 and serves primarily for irrigation purposes, with a dam height of 22 feet and a storage capacity of 75 acre-feet. Situated on the West Fork Pine Creek, this concrete dam spans 150 feet in length and covers a surface area of 4.3 acres.

Managed by the Oregon Water Resources Department, Twin Lake-Lower is regulated, permitted, inspected, and enforced by state authorities to ensure its safe operation. With a low hazard potential and a condition assessment that is currently not rated, the dam maintains a steady water supply for the surrounding area. Despite its age, the structure remains structurally sound and continues to support the local agricultural community.

The dam at Twin Lake-Lower represents a vital piece of infrastructure within the region, offering irrigation water for agricultural activities and contributing to the overall water management in the area. Located in the scenic city of CORNUCOPIA, this water resource plays a crucial role in sustaining the environmental and economic well-being of the surrounding communities. With its historical significance and functional design, Twin Lake-Lower serves as a testament to the importance of water resource management and climate adaptation in the face of changing environmental conditions.