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12 <br /> <br />Second Growing Season <br />1. The restoration sites have maintained the desired topography or a topography that is <br />capable of achieving the Success Criteria. <br />2. The soils of the restoration sites are saturated throughout the growing season or during the <br />spring high flow period of the South Platte River, sufficiently to sustain a wetland. <br />3. The surface of the restoration sites, including bordering uplands, is stable and does not <br />show signs of detrimental erosion. <br />4. At least three of the four peachleaf willows are alive, vigorous, and producing new <br />growth. <br />5. 90% of the willow sprigs are alive, vigorous, and producing new growth. <br />6. The herbaceous seeding continues to grow and establish even cover in the area seeded. <br />7. The total absolute vegetation cover is at least 10% for the High Flow Channel, 25% for the <br />Low Water Crossing, and 40% for the Herbaceous Wetland. <br />8. No noxious weeds are present in the restorations. <br /> <br />Third/Fourth Growing Season(s) <br />1. The restoration sites have maintained the desired topography or a topography that is <br />capable of achieving the Success Criteria. <br />2. The soils of the restoration sites are saturated throughout the growing season or during the <br />spring high flow period of the South Platte River, sufficiently to sustain a wetland. <br />3. The surface of the restoration sites, including bordering uplands, is stable and does not <br />show signs of detrimental erosion. <br />4. At least three peachleaf willows are alive, vigorous, and producing new growth. <br />5. 90% of the willow sprigs are alive, vigorous, and producing new growth. <br />6. The total vegetation cover is at least 20% for the High Flow Channel, 50% for the Low <br />Water Crossing, and 80% for the Herbaceous Wetland. <br />7. No noxious weeds are present in the restorations. <br /> <br />Please note, it may be necessary to monitor beyond the three years if the Success Criteria have not <br />been achieved. The EPA is responsible for determining whether or not the restoration is <br />successful and complete. <br /> <br /> <br />6.0 Maintenance & Monitoring <br />6.1 Maintenance Activities <br />During the growing season, a wetland ecologist will visit the wetland restorations to assess <br />seeding and planting success, and note any potential problems with the hydrology, weeds, <br />erosion, animals, or human usage. All potential problems will be quickly and effectively <br />corrected. If areas are poorly vegetated, they will be reseeded or replanted. If the hydrology is <br />not functioning properly, it will be modified. If erosion is occurring, changes will be made to the <br />hydrology, and the damage repaired. If noxious weeds are present they will be eradicated by <br />hand or with herbicides. <br />