|
| Brainerd Diarrhea outbreak in US |
| Zebra Mussel Expansion in US | ||
|
| Location | Date |
| Location | Date |
| 1 | Minnesota | 1983 | 1 | Great Lakes Basin, Minnesota | 1989 |
| 2 | Texas | 1985 | 2 | Western Lake Erie, Ontario and Detroit River | Late 1989 |
| 3 | Illinois | 1987 | 3 | Entire Great Lake Basin and Lake Ontario | 1990 |
| 4 | Galapagos Island | 1992 | 4 | Mohawk River and Hudson River, New York City | 1992 |
| 5 | Texas | 1996 | 5 | Illinois, Mississippi, Southern Minnesota, Ohio, Kentucky Tennessee and Arkansas | Late 1992 |
| 6 | California | 1998 | 6 | Vermont and Georgia | 1993 |