A 2,788 km² sub-basin of the Mid-Atlantic region in DE, MD, VA. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 83 | 0 | 0/2 | p63 |
| 2026-10-19 | 83 | 0 | 0/2 | p68 |
| 2026-10-18 | 83 | 0 | 0/2 | p71 |
| 2026-10-17 | 83 | 0 | 0/2 | p71 |
| 2026-10-16 | 83 | 0 | 0/2 | p55 |
| 2026-10-15 | 83 | 0 | 0/2 | p57 |
| 2026-10-14 | 83 | 0 | 0/2 | p61 |
| 2026-10-13 | 83 | 0 | 0/2 | p67 |
| 2026-10-12 | 83 | 0 | 0/2 | p61 |
| 2026-10-11 | 83 | 0 | 0/2 | p46 |
| 2026-10-10 | 83 | 0 | 0/2 | p47 |
| 2026-10-09 | 83 | 0 | 0/2 | p52 |
| 2026-10-08 | 110 | 0 | 0/2 | p57 |
| 2026-10-07 | 110 | 0 | 0/2 | p60 |