Ide and Starbird #2 is a privately owned irrigation dam located in Weld County, Colorado, along the St. Vrain Creek. Built in 1885, this Earth-type dam stands at 10 feet high and spans 260 feet in length, with a storage capacity of 117 acre-feet. Despite its age, the dam has a low hazard potential and has not been rated for its condition, highlighting its stable and reliable structure.

This historic dam serves the primary purpose of irrigation, providing water for agricultural use in the region. With a maximum discharge capacity of 410 cubic feet per second and a surface area of 16 acres, Ide and Starbird #2 plays a crucial role in water resource management in the area. While it has not been inspected since 1984, it is regulated, permitted, and inspected by the Colorado Division of Water Resources, ensuring its compliance with state regulations and safety standards.

Although not operated by a federal agency, Ide and Starbird #2 remains a significant feature in the local water infrastructure, contributing to the overall water supply and agricultural activities in the region. As a key player in the irrigation network along the St. Vrain Creek, this dam showcases the importance of maintaining and monitoring aging infrastructure to sustainably manage water resources in the face of changing climate conditions.