Pueblo and Blue Grass Facility Closure Will Cost $2-3 Billion More

The Pueblo Chemical Agent-Destruction Pilot Plant in Colorado and the Blue Grass Chemical Agent-Destruction Pilot Plant in Kentucky completed the destruction of their chemical weapons stockpiles in 2023. But destroying the weapons was only the first act. The facilities themselves -- every pipe, wall, ventilation duct, and piece of equipment that contacted chemical agent -- must now be decontaminated to civilian-safe standards, decommissioned, demolished, and the sites environmentally remediated. This closure phase is expected to take approximately three years and cost an additional $2-3 billion. This matters because communities were told the disruption would end when the last weapon was destroyed. Instead, they face years more of industrial activity, truck traffic, and environmental monitoring. Colorado has ordered the Army to clear explosives and clean toxic water at the Pueblo depot, reflecting the reality that decades of chemical weapons storage contaminated soil and groundwater that persists long after the weapons themselves are gone. The $2-3 billion closure cost comes on top of the $8 billion already spent on the ACWA program and demonstrates that chemical weapons impose costs at every stage of their lifecycle -- production, storage, destruction, and site restoration -- in a compounding chain that no initial estimate ever captures. The structural issue is that decontamination verification is far harder than destruction verification. You can confirm a munition has been neutralized in real time. But confirming that a building is free of trace nerve agent contamination -- to a standard safe enough for unrestricted civilian use -- requires exhaustive surface sampling, air monitoring, and sometimes destructive testing of walls and floors. The five-phase closure process (decontamination, decommissioning, dispositioning, demolition, and administrative closeout) involves regulatory approvals from state environmental agencies that have their own timelines and standards. Each demolished building generates contaminated waste that must be characterized and disposed of at permitted hazardous waste facilities. There is no shortcut, and the work cannot be rushed without risking worker exposure or environmental release.