Fish Lake Outlet, located in Cottonwood, Minnesota, is a state-regulated earth dam constructed in 1953 by MNDNR-BOE with a primary purpose of "Other." This dam, standing at a height of 7 feet and a length of 16 feet, serves to control the flow of the Watonwan River-TR and has a normal storage capacity of 4250 acre-feet. Despite its low hazard potential and fair condition assessment, the dam is subject to state permitting, inspection, and enforcement by the Minnesota Department of Natural Resources (MNDNR EWR).

The outlet, situated in the city of Odin, plays a crucial role in managing water resources within the region, with a drainage area of 3 square miles and the ability to discharge up to 250 cubic feet per second. Although the dam's spillway type and width are unspecified, it serves as a vital infrastructure for flood control, irrigation, and water supply purposes. With its associated structures not specified and a history of state oversight dating back to its completion, Fish Lake Outlet exemplifies the careful management and regulation of water resources in Minnesota.

With a maximum storage capacity of 5915 acre-feet and a design rooted in buttress core types, Fish Lake Outlet is a key component of the St. Paul District's water management infrastructure. Its strategic location at S34 T105N R35W ensures efficient water flow and storage for the surrounding area, contributing to both environmental conservation and climate resilience efforts. As water resource and climate enthusiasts, understanding the intricacies of structures like Fish Lake Outlet is essential for safeguarding our natural ecosystems and adapting to the challenges posed by a changing climate.