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Amelia Ditch Study <br />August 10, 2023 <br />Page 9 <br /> <br />excavation and filling of wetlands. Full WCA permitting will be completed as needed before <br />construction for both short- and long-term ditch work. <br /> <br />Lake Amelia is listed as a Minnesota DNR public water (ID 02001400). As such, any work that is <br />proposed within the lake must be permitted through the DNR. Based on preliminary <br />conversations, it is anticipated that DNR regulated activity will be limited to any proposed work <br />downstream of the hydrologic break line at Culvert F. There will be a small amount of earthwork <br />proposed in this section of the ditch with the short-term improvements and as such, a DNR permit <br />must be applied for. Additionally, the ditch is shown as a DNR stream in their online surface water <br />viewer. However, this is a private ditch and has been for more than 50 years. Further coordination <br />will be conducted with the DNR to determine its status as a public waters stream and how it may <br />impact permitting requirements. <br /> <br />Per the US Army Corps of Engineers (USACE), wetlands that drain to a public water are <br />considered within their permitting jurisdiction. Since this ditch is closely related to the formation <br />and draining of its adjacent wetlands and flows to Lake Amelia, these wetlands would likely fall <br />under USACE jurisdiction. As such, any work in the short- or long-term that may impact the <br />hydrology of these wetlands will need to be permitted through the Corps in addition to WCA and <br />the DNR. Much of the area is listed as FEMA floodplain. Therefore, any work that would <br />significantly alter floodplain levels would need review. This would not apply with the proposed <br />short-term work, but the long-term work would likely require federal permitting. <br />