Environmental Impact Statement for Combined Licenses (COLs) for South Texas Project Electric Generating Station Units 3 and 4: Cover through Chapter 10 (NUREG-1937, Volume 1)
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Date Published: February 2011
U.S. Nuclear Regulatory Commission
Office of New Reactors
Washington, DC 20555-0001
U.S. Army Corps of Engineers
U.S. Army Engineer District, Galveston
Galveston, TX 77553-1229
This environmental impact statement (EIS) has been prepared in response to an application submitted to the U.S. Nuclear Regulatory Commission (NRC) by STP Nuclear Operating Company (STPNOC) for combined construction permits and operating licenses (combined licenses or COLs). The proposed actions related to the STPNOC application are (1) NRC issuance of COLs for two new nuclear power reactor units at the South Texas Project Electric Generating Station (STP) site in Matagorda County, Texas, and (2) U.S. Army Corps of Engineers (Corps) issuance of a permit to perform certain construction activities on the site. The Corps is participating in preparing this EIS as a cooperating agency and participates collaboratively on the review team.
This EIS includes the review team's analysis that considers and weighs the environmental impacts of building and operating two new nuclear units at the STP site and at alternative sites, and mitigation measures available for reducing or avoiding adverse impacts.
The EIS includes the evaluation of the proposed action's impacts to waters of the United States pursuant to Section 404 of the Federal Water Pollution Control Act (Clean Water Act) and Section 10 of the Rivers and Harbors Appropriation Act of 1899. The Corps will conduct a public interest review in accordance with the guidelines promulgated by the U.S. Environmental Protection Agency under authority of Section 404(b) of the Clean Water Act. The public interest review, which will be addressed in the Corps' permit decision document, will include an alternatives analysis to determine the Least Environmentally Damaging Practicable Alternative.
After considering the environmental aspects of the proposed action, the NRC staff's recommendation to the Commission is that the COLs be issued as proposed. This recommendation is based on (1) the application, including the Environmental Report (ER), submitted by STPNOC; (2) consultation with Federal, State, Tribal, and local agencies; (3) the review team's independent review; (4) the consideration of public comments; and (5) the assessments summarized in this EIS, including the potential mitigation measures identified in the ER and in this EIS. The Corps will issue its Record of Decision based, in part, on this EIS.