Chapter
Jan 10, 2019
Chapter 7
Environmental Impact Statement and Environmental Assessment
Publication: Inland Navigation: Environmental Sustainability
Abstract
With the passage and implementation of the National Environmental Policy Act of 1969, environmental impact assessments of water resource projects under the US Army Corps of Engineers and other federal agencies assumed a greater level of importance. An environmental impact statement (EIS) is needed when a project is expected to have a significant impact on the existing ecosystem. Following an agreement with resource agencies, the EIS is forwarded to the US Fish and Wildlife Service for concurrence. The approved EIS is included with a report that recommends construction and forwarded to Congress for authorization. Cumulative effects analysis recognizes that the most serious environmental impacts may result from the combination of individually minor effects of multiple actions over time, rather than the direct or indirect effects of a particular action. An environmental assessment (EA) is used when there are no significant impacts expected from a recommended action for a navigation project.
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References
CEQ (Council on Environmental Quality). 1997. Considering cumulative effects. Washington, DC: Executive Office of the President.
USACE. 1980a. Hydraulic design of reservoir works. EM 1110-2-1602. Washington, DC: USACE.
USACE. 1980b. Layout and design of shallow-draft waterways. EM 1110-2-1611. Washington, DC: USACE.
USACE. 1988. Procedures for implementing NEPA. ER 200-2-2. Washington, DC: USACE.
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© 2019 American Society of Civil Engineers.
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Published online: Jan 10, 2019
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