| Level Legend: | Running | Below Minimum Recommended Flow | Above Maximum Recommended Flow | Unknown |
| State | River Name/Section | Class | Level | Rel. Level | Updated | |
|---|---|---|---|---|---|---|
| DE | Brandywine Creek— Thompson Bridge Road to Market Street | III | 2.10 ft | med | 5/8 2:30 | |
| DE | Red Clay Creek— Marshall Bridge Road to Rt. 41 | I-II | 3.40 ft | low | 5/8 1:00 |