7.1 PCSR 03-28-2017 - Laserfiche WebLink

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vi.Leisure activities such as hiking, nature studies, canoeing, boa including facilities such as nature trails and docks which allow for such activities are permitted in the wetland buffer strip. vii. Final plats for all subdivisions shall provide an easement over buffer strips for the purposes of identification and protection. (b) Wetland buffer strip setback A minimum 20-foot setback from wetland buffer strips is hereby established by the city. No principle or accessory structures, p impervious surface shall be located within this setback. On propt was platted prior to June 19, 2006, uncovered decks and permeable pavement can be loc Nature trails, at the city's approval, may be located within the Fences may encroach into the wetland buffer strip setback, but at no time shall they be allowed within the wetland buffer strip or in delineated wetlands. The city has received a number of questions from builders and homeowners regarding application of the fence and turf area setbacks. The ordinance notes that on all properties abutting a wetland or stormwater pond the minimum setback for these items is 25 feet. This setbac homeowners within the city, specifically those on lots platted pce where additional setback considerations were not given during the plat original staff report recommending adoption of the ordinance, there appears to have been an intended exemption for parcels platted prior to 2006, when abutting a wetland. Recommendation Based on the original intention to exempt properties platted prior to ado, and impacts to usable area of these same properties, staff recommend those properties platted prior to June 19, 2006, from the fence and main in the ordinance. This change will also extend to properties abuPlease review the memo from the Environmental Coordinator for additional information on water quality concerns which may result from the reduced setbacks. However, staff does not recommend changing the setback requireme Stormwater ponds are designed to store a specific amount of rain release it slowly to reduce downstream impacts. The stormwater treatment requirements were r volume rain events. These types of events have occurred more fre calculations used on ponds designed prior to this change do not account for the increas ensure homes, sheds, and other structures are not flooded from a to handle the volume, staff recommends keeping the requirement fes to be setback 45 feet from the edge of all wetlands and stormwater ponds. Please read Coordinator regarding the proposed amendments. Financial Impact None Attachments Staff report recommending adoption of wetland buffer ordinance dated June 19, 2006 Memo from Stormwater Coordinator dated March 21, 2017 Memo from Environmental Coordinator dated March 21, 2017 \\dc3-elkr\shared\Departments\Community Development\Planning\Case Files\OA\OA 17-05 Wetland Setbacks II\4-Planning Commission\7.1 sr Wetland Setback Ordinance.docx