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2640 Watertown Rd Site, Orono Wetland Delineation Report <br />4 <br />4.2 Wetland Determinations and Delineations <br />Potential wetlands were evaluated during field observations on July 13th, 2021. Two wetlands <br />were identified and delineated on the property (Figure 2). Corresponding data forms are <br />included in Appendix B. The following descriptions of the wetlands and their adjacent uplands <br />reflect conditions observed at the time of the field visit. Herbaceous vegetation was actively <br />growing at the time of the wetland delineation. Precipitation conditions were normal based on <br />the three-month antecedent precipitation data and drier than the normal range based on available <br />30-day rolling total precipitation (Appendix C). <br /> <br />Wetland 1 was a Type 1/3 (PEM1A/PEM1C) seasonally flooded basin dominated by reed <br />canary grass. The wetland was dry. Secondary hydrology indicators of FAC-Neutral Test and <br />Geomorphic Position were observed along the wetland fringe. <br /> <br />Adjacent upland consisted of woodland dominated by a canopy of boxelder and an understory <br />dominated by lady fern, with lesser amounts of prairie fleabane, rough bedstraw, stinging nettle, <br />and ground ivy. Primary and secondary hydrology indicators were not observed on the upland. <br /> <br />The wetland boundary corresponded with a topographic rise along a transition of changing plant <br />communities. The wetland was shown as a PEM1A on the NWI map and fell in an area mapped <br />as Hamel – Glencoe complex (Predominantly - Hydric) on the soil survey. It is bordered by an <br />old road built on an embankment on the east, and there is a mound in the northwest, directly <br />outside of the wetland boundary. A drainage pipe (possible sump pump) discharged at the <br />southwestern corner of the wetland. No outlets were observed. <br /> <br />Wetland 2 was a Type 1 (PEM1A) seasonally flooded basin dominated by reed canary grass <br />with scattered green ash and American elm, and lesser amounts of yellow rocket and false wood <br />nettle. The wetland was dry. Secondary hydrology indicators of FAC-Neutral Test and <br />Geomorphic Position were observed along the wetland fringe. <br /> <br />Adjacent upland consisted of a meadow/field with a canopy of scattered trees and an understory <br />dominated by Kentucky bluegrass with lesser amounts of Virginia creeper, and American <br />bugleweed. Other species observed include bittersweet nightshade, stickseed, sticky willy, <br />Canada goldenrod, prairie fleabane, Canada thistle, lady fern, wild grape, and rough cinquefoil. <br />Primary and secondary hydrology indicators were not observed on the upland. <br /> <br />The wetland boundary corresponded with a topographic rise along a transition from a wetland to <br />upland plant community. The wetland was shown as a PEM1A on the NWI map, and fell in an <br />area mapped as Hamel – Glencoe complex (Predominantly - Hydric) on the soil survey. Wetland <br />2 extended offsite to the north. <br /> <br />4.3 Other Areas <br />No other areas with hydrophytic vegetation or wetland hydrology were observed on the site. No <br />other areas were shown as hydric soil on the soil survey or as wetland on the NWI map. <br />