Berkeley Pit
| Use attributes for filter ! | |
| Contaminants | Arsenic |
|---|---|
| cadmium | |
| City | Butte |
| CERCLIS ID | MTD980502777 |
| Listed | September 8, 1983 |
| Proposed | December 30, 1982 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2998524 |
About Berkeley Pit
The Berkeley Pit is a former open pit copper mine located in Butte, Montana, United States. It is 1 mi long by ¹⁄₂ mi wide with an approximate depth of 1,780 feet. It is filled to a depth of about 900 feet with water that is heavily acidic, about the acidity of Coca-Cola or lemon juice.