Retrofitting farm dams and vastly increase wildlife habitat and productive edge function, while accessing the material/earth to repair the dam wall on-site and/or increase the freeboard of the dam wall for its safety and the safety of your neighbours below the dam. My Process The first thing I look for in a dam retrofit other than the spillway, is the freeboard [dam wall above spillway height] very often it's not much and for the safety of the dam. Free board is critical. The