Collinwood Lake, located in Meeker County, Minnesota, is a state-owned reservoir with a dam completed in 1955. The lake serves as a vital water resource for the surrounding area, with a storage capacity of 8,580 acre-feet and a surface area of 644 acres. Collinwood Lake is regulated and inspected by the Minnesota Department of Natural Resources, ensuring its safety and compliance with state regulations.

The dam at Collinwood Lake is a gravity dam with a height of 11 feet and a structural height of 8 feet. It serves a primary purpose of "Other" and is classified as having a low hazard potential with a fair condition assessment. The lake is fed by Collinwood Creek and has a drainage area of 50.9 square miles, providing important habitat for local wildlife and supporting the local ecosystem.

With its scenic location and importance as a water resource, Collinwood Lake is a valuable asset to the community. Climate enthusiasts and water resource experts alike can appreciate the role that this reservoir plays in water management and conservation efforts in Meeker County, Minnesota.