North Ottawa is a crucial flood risk reduction structure located in Tintah, Minnesota, within Grant County. Completed in 2008, this earth dam stands at a height of 18 feet and has a storage capacity of 23,800 acre-feet, serving to protect the surrounding area from potential flooding events. Owned and regulated by the local government, this dam is subject to regular state inspections, ensuring its structural integrity and functionality in times of need.

Situated on the Judicial Ditch 2 river/stream, North Ottawa plays a vital role in managing water flow and mitigating flood risks in the region. With a hazard potential classified as significant, the dam's condition has been assessed as satisfactory, with the last inspection conducted in August 2018. The primary purpose of North Ottawa is flood risk reduction, reflecting its essential role in safeguarding the community and infrastructure against potential water-related disasters.

With a notable capacity for water storage and a strategic location within the Omaha District, North Ottawa stands as a testament to effective water resource management and climate resilience efforts. As climate change continues to impact weather patterns and increase the frequency of extreme weather events, structures like North Ottawa play a critical role in protecting communities and promoting sustainable development practices in the face of environmental challenges.