The State of Minnesota requires every county to adopt a local water management plan. The plan addresses land use decisions across the county that will help with local goals and priorities to improve and protect surface and groundwater resources.
In 2015, the State of Minnesota proposed a new approach to watershed management referred to as One Watershed One Plan. 1W1P has multiple government units working together to develop a water management plan based off of a major watershed boundary. The idea is that water does not stop at county lines, and working on a major watershed scale should be more effective in improving, restoring, and protecting our resources. Le Sueur County has four major watersheds: Cannon River, Middle Minnesota, Lower Minnesota, and Le Sueur.