Nevada Test Site: Legacy of Nuclear Contamination and Cleanup

The Nevada National Security Site (formerly NTS) hosted 928 nuclear tests (1951–1992) over 1,350 mi². Most were underground; 100+ atmospheric tests spread fallout.

Current Status

• Residual radioactivity in soil, groundwater, structures.
• Contamination varies by test area and depth.
• DOE monitors air, water, biota continuously.
• Remediation: waste removal, soil capping, institutional controls.
• Public access strictly prohibited.

Long-term stewardship aims to protect health and environment while maintaining national security missions.