Twp Road 30 East is a crucial infrastructure project located in Lyon, Minnesota, specifically in the city of Sanborn. Completed in 1999, this road serves as a flood risk reduction measure along the Cottonwood River-TR, a significant waterway in the area. With a dam height of 22 feet and a length of 500 feet, this earth dam plays a vital role in managing water flow and protecting the surrounding communities from potential flooding events.

Managed by the Minnesota Department of Natural Resources - Environmental and Water Resources Division, Twp Road 30 East is subject to regular inspections and enforcement measures to ensure its continued effectiveness in flood risk reduction. The dam has a low hazard potential, with a satisfactory condition assessment as of 2008. Despite the moderate risk assessment rating, the structure meets guidelines and is equipped with emergency action plans in place to address any potential incidents that may arise.

With a storage capacity of 120 acre-feet and a drainage area of 1.17 square miles, Twp Road 30 East stands as a testament to the proactive measures taken to mitigate flood risks in the region. As climate change continues to impact weather patterns and water resources, infrastructure projects like this play a crucial role in safeguarding communities and promoting sustainable water management practices.