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Heinzeroth Property—Lot 2 Ms.Heinzeroth -. Wetland Delineation Report Town of Dunkirk.Dane County,Wisconsin November200" NRC Project#007-0238-01 Uplands The upland portions of the Lot are comprised of old-field that has not been recently mowed. The upland was dominated by wild carrot,Canada goldenrod, and Kentucky bluegrass(Poa pratensis). Soil profiles observed in the upland areas were not typical of the mapped Salter sandy loam and were more characteristic of the Wacousta series. Indicators of hydric soils were identified in upland areas near the wetland boundary.however these areas are dominated by upland vegetation and did not contain indicators of wetland hydrology. Other Environmental Considerations This report is limited to the identification of state and/or federally regulated wetlands within the Lot. In addition,there may be other regulated environmental features with the Lot or within other areas of the Lot. These environmental features may include but are not limited to historical or archeological features, 1 endangered or threatened species, floodplains,and/or navigable waters. The federal,state, local unit of government and regional planning organization may restrict land use within or in close proximity to these features. Wisconsin Administrative Code NR 151.12 requires that a"protective area"or buffer be determined from the top of the channel of lakes, streams and rivers,or at the delineated boundary of wetlands. NR 151.12 determines the width of the"protective buffer"for less susceptible wetlands by using 10%of the average wetland width, no less than 10 feet nor more than 30 feet. Lakes,perennial and intermittent streams,and IIhighly susceptible wetlands and wetlands in areas of special natural resource interest may require buffers of 50 and 75 feet,respectively. The wetland identified within the Lot is dominated by invasive plant species; however the wetland complex is directly adjacent to the Yahara River which is designated as an II Natural Heritage Inventory(NHI)waterway. Therefore,the wetlands are in an area of special natural resource interest and based on the"protective buffer"widths/standards provided by NR 151.12, it is NBC's professional opinion that the wetland buffer will be 75 feet from the delineated wetland boundary. II However,the jurisdictional authority on wetland buffers rests with the WDNR. The local unit of government and/or regional planning organization may have more restrictive buffers from wetlands than that imposed under NR 151. INPrior to beginning work at this site or disturbing or altering wetlands,waterways,or adjacent lands in any way,NRC strongly recommends that the owner obtain the necessary permits or other agency regulatory review and concurrence with regard to the proposed work in order to comply with applicable regulations. NRC would be happy to assist with any additional resources inventory or identification work at your request,to the extent that the work is within our range of expertise. IN I IN . p IIIRegulatory and Scientific Expertise — Wetlands, Soils, Ecology, Restoration Page 5 II