| | County | # of
Listings | Most
Recent
Report | Last
Posted | | Gem | | | |
| Gooding | | | |
| Idaho | 1 | 9-1974 | 5-2005 |
| Jefferson | | | |
| Jerome | | | |
| Kootenai | 4 | 10-2005 | 8-2006 |
| Latah | 3 | 7-2005 | 1-2007 |
| Lemhi | 4 | 8-2000 | 6-2007 |
| Lewis | | | |
| Lincoln | | | |
| Madison | 1 | 4-2008 | 5-2008 |
| Minidoka | | | |
| Nez Perce | 2 | 6-1974 | 1-2004 |
| Oneida | | | |
| Owyhee | 2 | 6-1963 | 3-2013 |
| Payette | | | |
| Power | | | |
| Shoshone | 3 | 1-2004 | 11-2008 |
| Teton | | | |
| Twin Falls | | | |
| Valley | 9 | 6-2006 | 4-2009 |
| Washington | | | |
|
