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,6o1V' 0 0 CITY of ORONO ti Municipal Offices r'C'; ti �a Street Address: Mailing Address: `9$EggOg' 2750 Kelley Parkway P.O. Box 66 Orono, MN 55356 Crystal Bay, MN 55323-0066 Wetland Alteration Guidelines: Excavation of Ponds 1. Excavation of ponds in upland areas (not within nor within 26' of a Type 1 thru Type 8 wetland) requires a staff-issued land alteration permit if not more than 500 cubic yards, and a Conditional Use Permit (CUP) if more than 500 cubic yards. Such grading may require a permit fom the MCWD. 2. Excavation of a pond in a WCA wetland that is not a City-protected wetland, will require MCWD approval as well as a City land alteration permit (and a CUP if over 500 c.y.), and may require U.S. Army Corps of Engineers approval. 3. Excavation of a pond in or within 26' of a City-protected wetland, will require a Variance and Conditional Use Permit approval regardless of the amount of excavation; likely will require MCWD and Corps approval; and may require DNR approval if it is a DNR-protected wetland. 4. City approval of pond excavations will take into account the applicable requirements and review considerations as defined in Zoning Code Sections 10.55 and 10.56. 5. The City will generally not approve a Var/CUP application for a decorative pond in City-protected wetlands unless such pond is designed to meet minimum wildlife habitat specifications, which generally include: - Pond surface area of at least 2500 s.f. - 10:1 perimeter bench to a l' depth - Depth of approximately 4-5' - Excavating a small portion of a larger wetland 6. Approval for ponds excavated in City-protected wetlands will normally require the use of erosion control measures,vegetation restoration,and the granting of a conservation and flowage easement to the City. 7. Information required in order to make application for a Var/CUP for pond excavation includes but is not limited to: - Complete General Land Use Application with fee/property owner list/plat map Property survey - Wetland delineation report (must use a professional delineator) - Grading plan (existing and proposed contours) - Vegetation restoration plan - Indication of spoil disposal site Glossary: WCA: Wetlands Conservation Act MCWD: Minnehaha Creek Watershed District DNR: Minnesota Department of Natural Resources var: variance CUP: Conditional Use Permit Telephone(952)249-4600 • Fax(952)249-4616 www.ci.orono.mn.us