EPA v. COLORADO SMELTER RCRA UAO

Case summary

06/19/92: THE BUTTE PRIORITY SOILS OPERABLE UNIT, WHICH IS A PART OF THE SILVER BOW CREEK BUTTE SITE, CONSISTS OF FORMER AND ACTIVE MINING, MILLING, SMELTING, AND RELATED FACILITIES, ASSOCIATED WASTE ROCK AND MILL TAILINGS WASTES, A NETWORK OF RAILROAD TRACKS AND SPURS CONSTRUCTED OR CONTAMINATED WITH MINING RELATED WASTES, AND ASSOCIATED CONTAMINATED SOILS IN BUTTE AND WALKERVILLE, MONTANA. THE MINING WASTE DUMPS, MILL AND SMELTER WASTES, AND ASSOCIATED CONTAMINATED SOILS AT THE COLORADO SMELTER SITE WITHIN BUTTE WHICH ARE THE SUBJECT OF THIS REMOVAL ACTION, CONTAMINANT SOURCES OF HAZARDOUS SUBSTANCES WITHIN THE CITY OF BUTTE AND THE SILVER BOW CREEK BASIN.

Defendants (2)

• ATLANTIC RICHFIELD COMPANY_(ARCO)Named in complaint
• BUTTE PRIORITY SOILS OPERABLE UNITNamed in complaint

Facilities (1)

• WAUCONDA SAND & GRAVEL

  BONNER & GARLAND RD, WAUCONDA, IL, 60084

  Registry ID: 110009327022

Statutes cited

• CERCLA 107 — Superfund
• CERCLA 104A — CERCLA 104(a)
• CERCLA 106 — Imminent & Substantial Endangerment Order

Timeline (2 milestones)

• 1991-11-20Complaint Filed/Proposed Order
• 1992-06-19Enforcement Action Data Entered