Pool No. 8, also known as Agassiz, is a Federal-owned fish and wildlife pond located in Thief River Falls, Minnesota. Constructed in 1980 by the US Fish and Wildlife Service, this Earth dam stands at a height of 13 feet and spans a length of 12,000 feet. With a storage capacity of 3,000 acre-feet and a surface area of 530 acres, this pond serves as a vital habitat for various aquatic species in the region.

Managed by the Omaha District of the US Army Corps of Engineers, Pool No. 8 plays a crucial role in conservation efforts within the Thief River watershed. Despite its low hazard potential, the risk assessment for this structure indicates a very high risk, highlighting the importance of regular inspections and proper maintenance. While the dam's condition is currently not rated, it is clear that this water resource is of significant ecological value and requires careful management to ensure its long-term sustainability.

For water resource and climate enthusiasts, Pool No. 8 presents an intriguing case study in environmental stewardship and habitat preservation. With its controlled spillway, the dam helps regulate water flow and maintain stable water levels for the benefit of wildlife and aquatic ecosystems. As part of the broader conservation efforts in the region, this Federal-owned pond serves as a vital resource for both the local community and the diverse flora and fauna that call the Thief River watershed home.