Tailings Dams in Alaska
Alaska has 4 tailings dams, of which 1 carry a high hazard classification. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Red Dog Tailings Main Dam | Northwest Arctic Borough | 208 | High | Satisfactory | 1993 |
| 2 | Nixon Fork Tailings Dam | Yukon-Koyukuk Census Area | 64 | Significant | Fair | 1995 |
| 3 | Lower Slate Lake Tailings Dam | City and Borough of Juneau | 63 | Significant | Satisfactory | 2010 |
| 4 | Grant Mine Tailings Dam | Fairbanks North Star Borough | 30 | Significant | Not Rated | 1987 |