| Watershed | Sampling Method | Sample Date | Collector(s) | Determiner |
|---|---|---|---|---|
| Abrams Creek | by hand | 2005-08-17 | CMuise et al. | CMuise |
| Abrams Creek | observed | 1991-09-28 | KRLangdon | KRLangdon |
| Jonathan Creek (Purchase area) | sweeping | 2004-09-15 | JMays | PESuper |
| Uncertain | by hand | 2005-07-10 | KRLangdon, CMuise & DTrently | KRLangdon |