An opinion regarding the possible existence of wetlands on a designated property. The process involves research of topographic maps, aerial photography, soil survey maps, National Wetland Inventory maps, drainage basin and water supply overlays, and delineations of the specially protected New Jersey Pinelands.

These maps permit us to predict the likelihood of wetlands using the standard "three parameter" definition of wetlands based upon: soils, vegetation and hydrography. Since each variable must work together with other factors to establish a wetland, only an on-site inspection can delineate the extent of wetlands with certainty. However, a wetlands opinion provides a low cost, timely report on the likelihood of wetlands and can save significant time and money before a comprehensive investigation is made.