// Risk Intelligence
| Risk Score | 8 / 10 High |
| Facility Type | ⚠ Superfund / Contamination Site |
| Operator / Branch | ASARCO / EPA |
| Host County | Pierce County WA |
| Nearest City | Washington DC |
| Primary Risk Radius | 5 miles |
| Secondary Risk Radius | 25 miles |
// Strategic Significance
The ASARCO Tacoma copper smelter operated for 100 years depositing arsenic lead and cadmium across the Puget Sound region. The smelter stack visible from Seattle was demolished in 1993. Arsenic contamination affected communities across a 1,000 square mile area including residential neighborhoods in Tacoma Ruston and surrounding areas.
// Civilian Impact Assessment
Pierce County and the broader Puget Sound region received arsenic and lead fallout from the smelter for a century. Residential soil in Ruston and surrounding areas required excavation. Commencement Bay sediments remain contaminated.
// Evacuation & Shelter Guidance
Pierce County residents near the former smelter should follow EPA guidance on residential soil testing. Commencement Bay fish consumption advisories remain in effect.