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I,* •••■Mjurisdictional threshold is low, in certain instances the redeposition ^'*soi,l^~ associated with these activities through the repeated use of these trails and/or ■ <br />paths, could degrade or destroy waters of the United States by altering hydrology - t <br />(e-g., drainage patterns) or adversely affecting habitat, values. For the activity to <br />qualify for this, general- permit, the following conditions must be met:-. <br />••• » m • • • <br />1. The activity must take place on an existing trail or path. <br />•• • 5 ey <br />This general permit docs not authorize land clearing or discharge of <br />fill material for constrijNStion of new trails or paths. <br />- »* <br />•Ib.-jWildlife Habitat Improvement Activities (Ponds. Level-Ditches- and Duoeu^ not <br />regulated bv the Minnesota Department of Natural Resourcesb - Includes excavation <br />activities whose primary purpose is to enhance or create wildlife habitat. Ponds <br />must be constructed with irregular shorelines, shallow horizontal to vertical <br />sideslopes (e.g. 8-foot H to 1-foot V), and a shallow water depth (2 feet to 3 feet) <br />with a, maximum depth, of 5 feet over 25 percent of the pond surface. The permit area <br />may not be harvested for agricultural purposes, grazed by domestic* livestock*,, used as <br />a source of irrigation water, used as dumping area or outlet for draining other <br />wetlands, drained, burned, filled, clipped or used in a manner that would destroy its <br />I wetland character or wildlife value. The permit area may not be used as part of a <br />cranberry operation. Level ditches may not have an inlet or outlet. The area of <br />I wetland excavated may not exceed one acre in size. • <br />e« • • 9 * • <br />c. Road Maintenance Projects - Includes excavation associated with cleanout of <br />roadway ditches and culverts. Roadway ditches may not be dredged, to a depth that <br />exceeds the original (as built) depth. The invert elevation of culverts may not be <br />lowered to 2m elevation lower than the original elevation. <br />• . • • <br />d. Stormwater Holding/Detention Pond — Excavation of stormwater <br />holding/detention ponds in wetlands in conjunction with upland development projects <br />is authorized under this general permit provided the pond is constructed in <br />accordance with Nationwide Urban Runoff Program (NURP) design standards.