| Table 1: Summary of Disturbances along Black Hole Creek | ||||||||
| Structure | Amount | Percentage of 215 | ||||||
| Bridges | 18 | 8.37% | ||||||
| Pipes | 20 | 9.30% | ||||||
| Rip Rap | 15 | 7.44% | ||||||
| Rock dams | 2 | 0.93% | ||||||
| Deposition Bars | 36 | 16.74% | ||||||
| Major Tribs. | 3 | 1.40% | ||||||
| Intermittent Tribs. | 7 | 3.26% | ||||||
| Ephemeral Tribs. | 15 | 6.98% | ||||||
| Dried Point Sources | 1 | 0.47% | ||||||
| Total Erosion Sites | 98 | 45.58% | ||||||
| Right Bank Erosion | 48 | 22.33% | ||||||
| Left Bank Erosion | 50 | 23.26% | ||||||
*Study area is the entire Black Hole Creek
**Completed by Lycoming College Clean Water Institute Interns Summer 2003