| Watershed | Sampling Method | Sample Date | Collector(s) | Determiner |
|---|---|---|---|---|
| Abrams Creek | unspecified | 1949-09-09 | unknown | unknown |
| Abrams Creek | unspecified | 1977-03-21 | unknown | unknown |
| Abrams Creek | unspecified | 1977-06-09 | unknown | unknown |
| Big Creek | unspecified | 1977-03-19 | unknown | unknown |
| Big Creek | unspecified | 1977-09-05 | unknown | unknown |
| Cosby Creek | unspecified | 1981-07-16 | EDKeithan | Elaine Keithan |
| Cosby Creek | unspecified | 1981-09-16 | EDKeithan | Elaine Keithan |
| Cosby Creek | unspecified | 1981-11-16 | EDKeithan | Elaine Keithan |
| Cosby Creek | unspecified | 1982-03-16 | EDKeithan | Elaine Keithan |
| Cosby Creek | unspecified | 1982-05-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1981-07-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1981-09-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1981-11-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1982-03-16 | EDKeithan | Elaine Keithan |
| East Prong Little River | unspecified | 1982-05-16 | EDKeithan | Elaine Keithan |
| Greenbriar Creek | unspecified | 9999-09-09 | unknown | unknown |
| Middle Prong Little Pigeon | unspecified | 1977-03-20 | unknown | unknown |
| Middle Prong Little River | unspecified | 1977-03-22 | unknown | unknown |
| Uncertain | unspecified | 9999-09-09 | unknown | unknown |
| Greenbriar Creek | unspecified | 2004-07-01 | unknown/unspecified | Jeff Johansen |