| Watershed | Sampling Method | Sample Date | Collector(s) | Determiner |
|---|---|---|---|---|
| Abrams Creek | UV light | 2001-07-05 | JBSullivan & LDeutschman | JBSullivan |
| Jonathan Creek (Purchase area) | UV light | 1999-05-12 | BGScholtens | BGScholtens |
| Uncertain | unspecified | 1989-05-03 | KWatson | unknown/unspecified |
| Uncertain | unspecified | 1989-05-23 | KWatson | KWatson |
| Uncertain | unspecified | 2001-05-19 | JWBrown | DFerguson |
| Uncertain | unspecified | 2001-07-15 | JWBrown | DFerguson |
| Uncertain | UV light | 2000-07-24 | bgroup | JBSullivan |
| Uncertain | UV light | 2004-07-21 | JBSullivan | JBSullivan |
| Uncertain | UV light | 2004-07-22 | JBSullivan | JBSullivan |
| Uncertain | UV light | 2006-08-12 | MMello | BGScholtens |