Environmental scientists and geology (Part 2): Geology and soil science in the ‘Wetlands and Waters Permitting’ process in the USA

Deborah Painter (USA) I am an ecologist and general environmental scientist specialising in transportation, energy and industrial development planning to minimise deleterious environmental impacts. I live in the United States and have also written several articles for this magazine. One of the things I really appreciate is just how important local geology and soil science are in one of the aspects of work I do: delineating wetlands and obtaining permits from regulatory agencies for work in wetlands and waters. This is the second of three articles on how environmental scientists apply this knowledge. The first is entitled Environmental scientists and geology (Part 1): The first phase of an environmental geology investigation. The discharge of dredged or fill material into waters of the USA and most categories of work in navigable water bodies require US Army Corps of Engineers authorisation under Section 404 of the Clean Water Act of 1972. These activities also require Section 401 Clean Water Act permits from their state governments. The Federal definition of “waters of the United States” includes rivers, small streams, bogs, most nontidal wetlands, many lakes, mud flats, bays, the US territorial sea, and even many drainage ditches (Figs. 1, 2 and 3). They do not include isolated, nontidal wetlands with no connection to interstate commerce. However, a state may assert jurisdiction over these isolated wetlands under its Section 401 program, if it chooses. Fig. 1. In New York State, northern white cedar (Thuja occidentalis) is a common nontidal wetland tree. (Credits: Deborah Painter.) … Read More

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