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Site-Wide Environmental Impact Statement (SWEIS) SWEIS Cover Art

On February 14, 2013, the Final Site-Wide Environmental Impact Statement for the Continued Operation of the Nevada National Security Site and Off-Site Locations in the State of Nevada was published. Available electronically and in hard copy, the document can be obtained by clicking here or calling 702-295-3521.

Stakeholder and public participation played an important role in the development of the final document, to include the several hundred comments submitted. Publication of this Final SWEIS, and the Record of Decision replaces the 1996 SWEIS and two Supplement Analyses that followed.

These documents were prepared in accordance with National Environmental Policy Act (NEPA) requirements that dictate government agencies to prepare Environmental Impact Statements analyzing how activities at their respective sites may be impacting the environment. Activities are analyzed using several scenarios referred to as alternatives. The Final SWEIS explores three alternatives:

No Action Alternative

The No Action Alternative reflects the use of existing facilities and ongoing projects to maintain operations consistent with those experienced in recent years at the Nevada National Security Site (NNSS) and offsite locations in Nevada. For each of the three mission areas and their supporting programs, the level of operation for associated capabilities, projects, and activities is determined by operational levels actually realized since 1996. In other words, No Action is maintaining the status quo.

Expanded Operations Alternative

The Expanded Operations Alternative includes the activities and level of operations under the No Action Alternative, plus expansion of existing activities and capabilities or new projects at the NNSS and offsite locations in Nevada. The additional capabilities and increased level of operations would include modification and/or expansion of existing facilities and construction of new facilities and greater numbers of activities than under the No Action Alternative.

Record of Decision

The final step in the SWEIS regulatory process was the issuance of a Record of Decision (ROD), officially announcing the agency’s decision to implement the Preferred Alternative. Click HERE to learn more.

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Date Last Modified: November 16, 2015