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1 a. Development of a vegetation restoration plan and reestablishment of natural vegetation <br />2 is required: <br />3 1. As a condition of a vegetation permit; <br />4 2. Upon failure to comply with any provisions in this section; or <br />5 3. As part of the planning process for subdivisions. <br />6 b. The vegetation restoration plan must: <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 (J) <br />17 <br />18 <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />25 <br />26 <br />27 <br />28 <br />29 <br />30 <br />31 <br />32 <br />33 <br />34 <br />35 <br />36 <br />37 <br />38 <br />39 <br />1. Include vegetation that provides suitable habitat and effective soil stability, runoff <br />retention, and infiltration capability. Vegetation species, composition, density, and <br />diversity must be guided by nearby patches of native plant communities and by <br />native vegetation establishment and enhancement guidelines; <br />2. Be prepared by a qualified individual; and <br />3. Include a maintenance plan that includes management provisions for controlling <br />invasive species and replacement of plant loss for three years. <br />c. A certificate of compliance will be issued after the vegetation restoration plan <br />requirements have been satisfied. <br />Land alteration standards and stormwater management. <br />(1) Purpose. To establish standards that protect water quality from pollutant loadings of sediment, <br />nutrients, bacteria, and other contaminants; and maintain stability of bluffs, shorelines, and <br />other areas prone to erosion. <br />(2) Land alteration permit. <br />a. Within the bluff impact zone, land alteration is prohibited, except for the following which <br />are allowed by permit: <br />1. Erosion control consistent with section 920(J)(6); <br />2. The minimum necessary for development that is allowed as an exception under <br />section 920(L); and <br />3. Repair and maintenance of existing buildings and facilities. <br />b. Within the water quality impact zone, land alteration that involves more than ten cubic <br />yards of material or affects an area greater than 1,000 square feet requires a pelntit. <br />(3) Rock riprap, retaining walls, and other erosion control structures. <br />a. Construction, repair, or replacement of rock riprap, retaining walls, and other erosion <br />control structures located at or below the OHWL must comply with Minnesota Rules, <br />chapters 6115.0215, subpart 4, item E, and 6115.0216, subpart 2. Work must not proceed <br />until approved by the commissioner. See Figure 8. <br />Figure 8. Riprap Guidelines <br />Regulatory <br />flood <br />protection <br />elevation <br />Riprap Guidelines <br />Above OHWL: get local 6Jo,= OHM.: gc- U'.N <br />government unit permit p _rmr: <br />iltrr <br />3 <br />aelow O'HWL -n..b, <br />s_ less tra! a':3 ratio <br />b. Construction or replacement of rock riprap, retaining walls, and other erosion control structures <br />within the bluff impact zone and the water quality impact zone are allowed with a permit <br />provided that: <br />1. If the project includes work at or below the OHWL, the commissioner has already <br />approved or permitted the project. <br />Attachment A — Ordinance #23-14 <br />Page 99 of 141 <br />