11-15-1993 Planning PacketC - Laserfiche WebLink

Home Browse Search

I i 1 1 m M 1 1 I J 1 i m I 4 I 1 I The criteria of chroma less than 2 was not relied upon on this site since this 'ow chroma was observed in definite upland areas which had clearly upland vegetation and no hydrology. Wetland Hvdrologv Hydrology on the site varied between standing water marshy areas to places that simply had saturated soils throughout the basin. The basins found to be non-wetland either had dr>- soils no different than the surrounding upland areas (Basins 3, 11. 17, and 18). or had saniration only in the top 3 inches of the soil with dry soil below (Basins 4, 10. and 13B). Wetland Description The site was reviewed in accordance with state and federally required delineation procedures In the northwest comer of the site is Basin 1. a Type 1,2 Ag/Urban wetland (PEMIA) dominated by reed canary grass. The basin is along the edge of the parcel. The adjacent upland on the parcel is the soybean field and off the parcel is smooth brome grass. The NWl map shows a small dot near this basin. Basin 2 is a Type 2.3 Ag/Urban wetland (PEMIC) dominated by spikerush and cattail. This basin is entirely within the soybean field and not found on the NWl map. There was adequate soil saturation for this to be considered a wetland basin. Basins 3 and 4 were found to be non-wetland due to lack of hydrology, soil characteristics, and the marginal nature of the vegetation. Basin 3 is a: the head of a westward-flowing drainage ravine where a drainage tile outlets the soybean field. The tile is greater than 2 feet below the ground surface at the lowest point of this area; no gleying or mottling of the soil was observed here, nor was the soil saturated. Vegetation consisted of giant ragweed, a smanweed species and quackgrass. Basin 4 did not appear on the NWl map and was cropped at the time of the 1/2 section aerial photo. Tlie soil ill the basin was identical to that of the adjacent soybean field. While some 8