No active reactor but 53 million US gallons (200,000 m3) of high-level radioactive waste stored within 177 storage tanks, an additional 25 million cubic feet (7

No active reactor but 53 million US gallons (200,000 m3) of high-level radioactive waste stored within 177 storage tanks, an additional 25 million cubic feet (710,000 m3) of solid radioactive waste, and areas of heavy Technetium-99 and uranium contaminated groundwater beneath three tank farms. https://en.m.wikipedia.org/wiki/Hanford_Site https://en.m.wikipedia.org/wiki/Hanford_Site Federal government promised to clean up but failed.