// Risk Intelligence
| Risk Score | 7 / 10 High |
| Facility Type | ⚠ Superfund / Contamination Site |
| Operator / Branch | EPA Superfund |
| Host County | Bureau County IL |
| Nearest City | Washington DC |
| Primary Risk Radius | 5 miles |
| Secondary Risk Radius | 15 miles |
// Strategic Significance
The Sheffield Illinois low-level radioactive waste disposal site operated from 1967 to 1978 and is now an EPA Superfund site. Radioactive materials contaminated soil and groundwater beyond site boundaries.
// Civilian Impact Assessment
Bureau County with 33,000 residents. Radioactive contamination spread beyond site boundaries. Ongoing monitoring required.
// Evacuation & Shelter Guidance
IL Route 40, Bureau County Road. Bureau County Emergency Management. EPA Superfund ongoing.