| Watershed | Sampling Method | Sample Date | Collector(s) | Determiner |
|---|---|---|---|---|
| Abrams Creek | by hand | 2004-10-31 | PBartels & SDobbertin | PJBartels |
| Cosby Creek | by hand | 2003-05-16 | PBartels | PJBartels |
| Cosby Creek | by hand | 2006-08-19 | PBartels & ALyons | PJBartels |
| Jonathan Creek (Purchase area) | by hand | 2001-09-15 | PBartels | PJBartels |